Updated on 2026/04/15

写真a

 
TSUCHIYA Takeshi
 
Organization
Faculty of Policy Studies Professor
Other responsible organization
Policy Studies Course of Graduate School of Policy Studies, Master's Program
Policy Studies Course of Graduate School of Policy Studies, Doctoral Program
Contact information
The inquiry by e-mail is 《here
External link

Degree

  • 博士(工学) ( 早稲田大学 )

  • 修士(情報科学) ( 北陸先端科学技術大学院大学 )

Education

  • 2009.2
     

    Waseda University   doctor course   completed

  • 2003.3
     

    Japan Advanced Institute of Science and Technology   master course   completed

  • 2001.3
     

    Tokyo University of Science   graduated

Research History

  • 2026.4 - Now

    Chuo University   Faculty of Policy Studies   Professor

  • 2022.4 - 2026.3

    Tokyo International University   Institute for Data Science Education   Professor

  • 2021.7 - 2022.3

    Tokyo International University   Institute for Data Science Education   Special Appointed Associate Professor

  • 2018.4 - 2022.3

    Suwa University of Science   Associate Professor

  • 2017.4 - 2018.3

    Tokyo University of Science, Suwa   Faculty of Business Administration and Information   Associate Professor

  • 2013.4 - 2017.3

    Tokyo University of Science, Suwa   Faculty of Business Administration and Information

  • 2010.9 - 2013.3

    Faculty of Business Administration and Information, Tokyo University of Science, Suwa   now Assistant Professor

  • 2009 - 2010

    Faculty of Science and Engineering, WASEDA University   Research Associate

  • 2006 - 2009

    Cyber Networks Inc.   Director

  • 2007 - 2008

    Waseda University   Research Assistant

▼display all

Professional Memberships

  • 2022.1 - Now

    情報社会学会

  • 2003.1 - Now

    情報処理学会

  • 2003.1 - Now

    電子情報通信学会

Research Interests

  • IoT System

  • Distributed System

  • Information System

  • Information Network

Research Areas

  • Informatics / Software  / System software

  • Informatics / Information network  / Distributed System

  • Informatics / Web informatics and service informatics  / Data Analysis

Papers

  • LLM-Based Evaluation for Dynamic Routing Among Large Language Models Reviewed

    Takeshi Tsuchiya, Ryuichi Mochizuki, Hiroo Hirose, Hiroshi Ichikawa, Quang Tran Minh

    Communications in Computer and Information Science   13 - 25   2025.11

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    Language:English   Publishing type:Part of collection (book)   Publisher:Springer Nature Singapore  

    DOI: 10.1007/978-981-95-4724-1_2

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  • A Study on the Design and Feasibility of a Learning Support System Using LLM -The Basic Information Technology Engineer Examination is the subject matter- Reviewed

    Takumi Mitsuoka, Takeshi Masuda, Takeshi Ozaki, Hiroshi Ichikawa, Hiroo Hirose, Takeshi Tsuchiya

    Proceedings of EdMedia + Innovate Learning 2025   291 - 298   2025.7

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  • 利用者クエリに適応したLLM評価によるLLMルーティング手法の検討

    土屋健, 望月 龍一

    信学技報 IN2025-11   125 ( 137 )   1 - 6   2025.7

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  • 特徴次元の類似性による機械学習モデルの結合による性能向上の検討

    土屋健, 望月 龍一

    信学技報IN2024-82   124 ( 420 )   14 - 19   2025.3

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  • Study on Distrubuted Models Combining Method for Performance and Efficiency Reviewed

    Takeshi Tsuchiya, Ryuichi Mochizuki, Hiroo Hirose, Hiroshi Ichikawa

    18 - 25   2025.2

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  • 分散する機械学習モデルの管理手法とモデルの類似性を指標とした結合手法の検討

    土屋健, 望月龍一

    信学技報IN2024-11   124 ( 139 )   7 - 12   2024.7

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  • Structuring of Discourse and Annotation Method for Contribution Assessment in Collaborative Discussions

    Takeshi Masuda, Hiroo Hirose, Takeshi Tsuchiya

    Future Data and Security Engineering. Big Data, Security and Privacy, Smart City and Industry 4.0 Applications   76 - 91   2023.11

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    Publishing type:Part of collection (book)   Publisher:Springer Nature Singapore  

    DOI: 10.1007/978-981-99-8296-7_6

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  • Study on Web Based Virtualized Containers for Software Development Lectures in BYOD

    Takeshi Tsuchiya, Masami Matsunaga, Hiroo Hirose, Tetsuyasu Yamada, Hiroshi Ichikawa, Quang Tran Minh

    Future Data and Security Engineering. Big Data, Security and Privacy, Smart City and Industry 4.0 Applications   300 - 311   2023.11

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    Authorship:Lead author, Corresponding author   Publishing type:Part of collection (book)   Publisher:Springer Nature Singapore  

    DOI: 10.1007/978-981-99-8296-7_21

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  • Research on Distributed Machine Learning Model for Predicting Users’ Interest by Acquired Web Contents Similarity Reviewed

    Takeshi Tsuchiya, Rika Misawa, Ryuichi Mochizuki, Hiroo Hirose, Tetsuyasu Yamada, Yoshito Yamamoto, Hiroshi Ichikawa, Quang Tran Minh

    SN Computer Science   4 ( 6 )   2023.10

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    Authorship:Lead author, Last author, Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s42979-023-02283-1

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    Other Link: https://link.springer.com/article/10.1007/s42979-023-02283-1/fulltext.html

  • Research on Selective Combination of Distributed Machine Learning Models Reviewed

    Takeshi Tsuchiya, Ryuichi Mochizuki, Hiroo Hirose, Tetsuyasu Yamada, Quang Tran Minh

    SN Computer Science   3 ( 6 )   2022.8

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s42979-022-01312-9

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    Other Link: https://link.springer.com/article/10.1007/s42979-022-01312-9/fulltext.html

  • Mobile Crowd-sourced Data Fusion and Urban Traffic Estimation Reviewed

    Quang Tran Minh, Phat Nguyen Huu, Takeshi Tsuchiya

    Journal of Mobile Multimedia   4   1035 - 1062   2022.3

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  • Fog Computing Enabled Hydroponic Farming Systems Reviewed

    Quang Tran Minh, Vy Nguyen, Tran Gia, Sang Nguyen Tan, Phat Nguyen Huu, Takeshi Tsuchiya

    Journal of Mobile Multimedia   4   981 - 1008   2022.3

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  • Selective Combination and Management of Distributed Machine Learning Models Reviewed

    Takeshi Tsuchiya, Ryuichi Mochizuki, Hiroo Hirose, Tetsuyasu Yamada, Keiichi Koyanagi, Quang Tran Minh, Tran

    Springer Lecture Notes in Computer Science   13076   113 - 124   2021.11

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  • Research on a Communication Platform Coordinating Web Services and Smart Speakers on the Application Layer Reviewed

    Takeshi Tsuchiya, Ryuichi Mochizuki, Hiroo Hirose, Tetsuyasu Yamada, Norinobu Imamura, Naoki Yokouchi, Quang Tran Minh

    SN Computer Science   2 ( 4 )   2021.7

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s42979-021-00696-4

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    Other Link: https://link.springer.com/article/10.1007/s42979-021-00696-4/fulltext.html

  • 特徴モデル結合による分散機械学習におけるモデル選定最適化手法の提案

    望月龍一, 土屋 健, 広瀬啓雄, 山田哲靖

    信学技報   In2020 ( 83 )   172 - 177   2021.3

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  • Integrating Web Services in Smart Devices using Information Platform based on Fog Computing Model Reviewed

    Takeshi Tsuchiya, Ryuichi Mochizuki, Hiroo Hirose, Tetsuyasu Yamada, Keiichi Koyanagi, Quang Tran Minh, Tran

    Springer Lecture Notes in Computer Science   12466   111 - 123   2020.11

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  • Sightseeing Hot Spots Analysis by Using SNS’s Photos and Taking Location Information Based on Image-to-Tag Method Reviewed

    Kohjiro Hashimoto, Tadashi Miyosawa, Mai Miyabe, Takeshi Tsuchiya, Takeshi Ozaki, Hiroo Hirose

    International Journal of Machine Learning and Computing   10 ( 5 )   624 - 629   2020.10

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:EJournal Publishing  

    DOI: 10.18178/ijmlc.2020.10.5.983

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  • スマートスピーカアプリケーション共通化プラットフォームの検討

    望月 龍一, 降旗 佑季, 野澤 啓亮, 大谷 瑛佑, 横内 直樹, 土屋 健

    FIT 情報科学技術フォーラム   18   60   2020.9

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  • Analytical Method of SNS's Images Based on Computer Vision API to Discover Geographical Characteristics Reviewed

    Kohjiro Hashimoto, Tadashi Miyosawa, Mai Miyabe, Takeshi Tsuchiya, Takeshi Ozaki, Hiroo Hirose

    IEEJ Transactions on Electronics, Information and Systems   140 ( 8 )   916 - 924   2020.8

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Institute of Electrical Engineers of Japan (IEE Japan)  

    DOI: 10.1541/ieejeiss.140.916

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  • Designed Features for Improving Openness, Scalability and Programmability in the Fog Computing-Based IoT Systems Reviewed

    Quang Minh Tran, Phat Huu Nguyen, Takeshi Tsuchiya, Michel Toulouse

    SN Computer Science   1 ( 4 )   2020.7

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s42979-020-00197-w

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    Other Link: http://link.springer.com/article/10.1007/s42979-020-00197-w/fulltext.html

  • Distributed Data Platform for Machine Learning Using the Fog Computing Model Reviewed

    Takeshi Tsuchiya, Ryuichi Mochizuki, Hiroo Hirose, Tetsuyasu Yamada, Keiichi Koyanagi, Quang Minh Tran

    SN Computer Science   1 ( 3 )   2020.5

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s42979-020-00171-6

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    Other Link: http://link.springer.com/article/10.1007/s42979-020-00171-6/fulltext.html

  • 特徴モデル結合による分散データ環境で機械学習を実現する情報プラットフォームの検討

    土屋健, 望月龍一, 広瀬啓雄, 山田哲靖, 澤野弘明, 小柳恵一

    信学技報   119 ( 477 )   91 - 96   2020.3

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  • フォグコンピューティングによるグループ環境に適応したデータ管理基盤の提案

    望月龍一, 土屋健, 広瀬啓雄, 山田哲靖, 澤野弘明, 小柳恵一

    研究報告インターネットと運用技術(IOT)   48 ( 12 )   1 - 6   2020.2

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  • Research on improvement of information platform for local tourism by paragraph vector

    Takeshi Tsuchiya, Hiroo Hirose, Tadashi Miyosawa, Tetsuyasu Yamada, Hiroaki Sawano, Keiichi Koyanagi

    Studies in Computational Intelligence   819   115 - 121   2020

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    Language:English   Publishing type:Part of collection (book)   Publisher:Springer Verlag  

    DOI: 10.1007/978-3-030-16024-1_15

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  • Dynamic Data Management Strategy on Cloud Network by Fog Computing Model Reviewed

    Takeshi Tsuchiya, Ryuichi Mochizuki, Hiroo Hirose, Tetsuyasu Yamada, Keiichi Koyanagi, Quang Tran Minh, Tran Khanh Dang

    Int’l Conf. on Future Data and Security Engineering (FDSE 2018), Springer Lecture Notes in Computer Science   11814   332 - 342   2019.11

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Springer  

    DOI: 10.1007/978-3-030-35653-8_22

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    Other Link: https://dblp.uni-trier.de/db/conf/fdse/fdse2019.html#TsuchiyaMHYKTD19

  • Sightseeing Hot Spots Analysis by Using SNS's Photos and Taking Location Information Based on Image-to-Tag Method Reviewed

    Kohjiro Hashimoto, Tadashi Miyosawa, Mai Miyabe, Takeshi Tsuchiya, Takeshi Ozaki, Hiroo Hirose

    Proceedings of the 8th International Conference on Knowledge Discovery, DY041   ( 041 )   1 - 6   2019.11

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  • Openness in Fog Computing for the Internet of Things Reviewed

    Quang Tran Minh, Phat Nguyen Huu, Takeshi Tsuchiya, Michel Toulouse

    Springer Lecture Notes in Computer Science   ( 11814 )   343 - 357   2019.11

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  • Detection of contributing object to driving operations based on hidden Markov model Reviewed

    Kohjiro Hashimoto, Tetsuyasu Yamada, Takeshi Tsuchiya, Kae Doki, Yuki Funabora, Shinji Doki

    International Journal of Advanced Robotic Systems   16 ( 5 )   172988141987679 - 172988141987679   2019.9

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    Publishing type:Research paper (scientific journal)   Publisher:SAGE Publications  

    With increase in the number of elderly people in the Japanese society, traffic accidents caused by elderly driver is considered problematic. The primary factor of the traffic accidents is a reduction in their driving cognitive performance. Therefore, a system that supports the cognitive performance of drivers can greatly contribute in preventing accidents. Recently, the development of devices for visually providing information, such as smart glasses or head up display, is in progress. These devices can provide more effective supporting information for cognitive performance. In this article, we focus on the selection problem of information to be presented for drivers to realize the cognitive support system. It has been reported that the presentation of excessive information to a driver reduces the judgment ability of the driver and makes the information less trustworthy. Thus, indiscriminate presentation of information in the vision of the driver is not an effective cognitive support. Therefore, a mechanism for determining the information to be presented to the driver based on the current driving situation is required. In this study, the object that contributes to execution of avoidance driving operation is regarded as the object that drivers must recognize and present for drivers. This object is called as contributing object. In this article, we propose a method that selects contributing objects among the appeared objects on the current driving scene. The proposed method expresses the relation between the time series change of an appeared object and avoidance operation of the driver by a mathematical model. This model can predict execution timing of avoidance driving operation and estimate contributing object based on the prediction result of driving operation. This model named as contributing model consisted of multi-hidden Markov models. Hidden Markov model is time series probabilistic model with high readability. This is because that model parameters express the probabilistic distribution and its statistics. Therefore, the characteristics of contributing model are that it enables the designer to understand the basis for the output decision. In this article, we evaluated detection accuracy of contributing object based on the proposed method, and readability of contributing model through several experiments. According to the results of these experiments, high detection accuracy of contributing object was confirmed. Moreover, it was confirmed that the basis of detected contributing object judgment can be understood from contributing model.

    DOI: 10.1177/1729881419876794

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    Other Link: http://journals.sagepub.com/doi/full-xml/10.1177/1729881419876794

  • Predicting User Interests Based on Their Latest Web Activities Reviewed

    TSUCHIYA Takeshi, HIROSE Hiroo, YAMADA Tetsuyasu, YOSHINAGA Hirokazu, KOYANAGI Keiichi

    Proc. of 13th Int. Conf. on Mobile Ubiquitous Computing, Systems, Services and Technologies   2019.9

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  • 来遊者に興味を与える地域特性を発見するためのComputer Vision APIに基づくSNS投稿画像分析手法の検討

    橋本幸二郎, 三代沢正, 宮部真衣, 土屋健, 尾崎剛, 広瀬啓雄

    第18回情報科学技術フォーラム   2019.9

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  • ユーザ環境に適応したデータ管理基盤の提案

    望月龍一, 土屋健, 広瀬啓雄, 山田哲靖, 澤野弘明, 小柳恵一

    令和元年度電気・電子・情報関係学会東海連大,   2019.9

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  • SNSに投稿された写真による旅行者の行動分析~長野県茅野市の場合~ Reviewed

    三代沢正, 橋本幸二郎, 土屋健, 尾崎剛, 宮部真衣, 広瀬啓雄

    2019年映像情報メディア学会年次大会   13 ( B )   2019.8

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  • Quantification of Contributing Degree to Braking Operation of Driver based on the Hidden Markov Model Reviewed

    Kohjiro Hashimoto, Tadashi Miyosawa, Tetsuyasu Yamada, Takeshi Tsuchiya, Kae Doki, Shinji Doki

    Proceedings of the 28th IEEE International Symposium on Industrial Electronics   1711 - 1716   2019.6

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  • 多様な Web 情報 を活用した地域観光情報基盤の高度化の検討 Reviewed

    土屋健, 三代沢 正, 山田 哲靖, 広瀬 啓雄, 澤野 弘明, 小柳 恵一

    情報社会学会学会誌   13 ( 2 )   5 - 17   2019.3

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  • StudyonaSelection Method of Objects contribute to Driver Operation based on a Statistical Driving Behavior Model Reviewed

    KohjiroHashimoto,TetsuyasuYamada,TakeshiTsuchiy

    Proc. of IEEE ICIT2019   2019.2

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  • Analysis of Diverse Tourist Information Distributed Across the Internet Reviewed

    TSUCHIYATakeshi, HIROSEHiroo, MIYOSAWATadashi, YAMADATetsuyasu, SAWANO Hiroaki, KOYANAGI Keiichi

    Future Data and Security Engineering   412 - 422   2018.11

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  • 観光促進のための360度VRシステムの構築と評価 Reviewed

    橋本幸二郎, 三代沢正, 広瀬啓雄, 土屋健, 尾崎剛, 倉田紀子

    情報社会学会誌   13 ( 1 )   113 - 121   2018.7

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  • “Improving Network Throughput on Application by Weighting Subflows of Muti-Path TCP Adapted to Conditions Reviewed

    Takeshi Tsuchiya, HIROSE Hiroo, MIYOSAWA Tadashi, YAMADA Tetsuyasu, SAWANO Hiroaki, KOYANAGI Keiichi

    Proceedings of INTERNATIONAL CONFERENCE ON INTELLIGENT COMPUTING AND APPLICATIONS   2018.1

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  • 大規模イベントにおける位置情報型ARの活用実験とアクセスログによる利用者の複合的行動分析手法の提案 Reviewed

    三代沢 正, 広瀬 啓雄, 土屋 健, 尾崎 剛, 倉田 紀子

    情報社会学会誌   12 ( 1 )   19 - 32   2017.7

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  • A Study on an Actual Experience Education Method Using an Application "Shinosuta" for Community Study Reviewed

    澤野弘明, 鈴木裕利, 石井成郎, 土屋健, 小柳惠一

    Japnese Journal of Educational Media Research   23 ( 2 )   25 - 34   2017

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    Language:Japanese   Publisher:Japan Association for Educational Media Study  

    We propose an application "Shinosuta" for community study. The Shinosuta is utilized as a game collecting series of stamps at landmarks. The landmark is drawn in Japanese cards "karuta" produced by students in the Komaki Municipal Shinooka primary school. However, some students have not gone to the landmark place although they have knowledge of its history. Therefore, the purpose of the Shinosuta is to give them an experience to see the landmark, and to increase motivation for learning. We evaluated Shinosuta in 2014 and 2015, and more than 90% of all answer indicates positive.

    DOI: 10.24458/jaems.23.2_25

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  • クローラおよび機械学習を用いた観光ポータルサイトの提案 ー小規模宿泊施設のICTプロモーションのためにー Reviewed

    尾崎 剛, 倉田 紀子, 土屋 健, 三代沢 正, 山田 哲靖, 広瀬 啓雄

    情報社会学会誌   11 ( 1 )   39 - 48   2016.7

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  • 複数の魚の位置関係に基づいた映像演出の検討 Reviewed

    伊神栞里, 澤野弘明, 鈴木裕利, 土屋健, 小柳恵一

    マルチメディア,分散,協調とモバイル(DICOMO2016)シンポジウム論文集   476 - 479   2016.7

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  • Quantitative Analysis Method Of Success Factors And Learning Effects In Project-Based Learning Reviewed

    Takeshi Ozaki, Takeshi Tsuchiya, Tadashi Miyosawa, Tetsuyasu Yamada, Hiroo Hirose, Hirosi Ichikawa, Yoshito Yamamoto

    2016 International Academic Business Conference, 2016 International Education Conference & 2016 International Science Education Conference Proceedings   490-1 - 490-7   2016.6

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  • Proposal of the Automated Portal Site for the Regional Tourism Promotion Reviewed

    Takeshi Ozaki, Takeshi Tsuchiya, Tadashi Miyosawa, Tetsuyasu Yamada, Hiroo Hirose

    International Journal of Emerging Technology and Advanced Engineering   6 ( 5 )   252 - 257   2016.5

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  • Keyword Extraction of Tourism Information by using Co-Occurrence Relations Reviewed

    Tadashi Miyosawa, Jyunya Kitajyo, Hiroo Hirose, Takeshi Tsuchiya

    International Journal of Emerging Technology & Advanced Engineering   Volume 6 ( Issue 2 )   2016.2

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  • A Community-based P2P OSNs Using Broadcast Encryption Supporting Cross-platform with High-Security Reviewed

    Mingjie Ding, Ruihui Zhao, Keiichi Koyanagi, Takeshi Tsuchiya, Hiroaki Sawano

    2016 8TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS & SIGNAL PROCESSING (WCSP)   2016

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/WCSP.2016.7752502

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  • A Proposal and Evaluation of AKaTool (Associate Kango Tool): An Association Chart Production Tool for Nursing Education Reviewed

    Akatsu Maiko, Sawano Hiroaki, Suzuki Yuri, Ishii Norio, Tsuchiya Takeshi, Koyanagi Keiichi

    Transactions of Japanese Society for Information and Systems in Education   33 ( 1 )   31 - 42   2016

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    Language:Japanese   Publisher:Japanese Society for Information and Systems in Education  

    In nursing education it is important to learn the problem-solving process to provide appropriate nursing to patients. This kind of problem-solving in nursing is called the nursing process. In this research, we developed a tool to support the drafting of association charts (AKaTool: Associate Kango Tool) which are utilized for the purpose of clarifying problems from collected patient data in the nursing process. By using this tool, students are able to draft association charts more easily than when writing by hand or using tools developed in our previous work. The results of an evaluation experiment targeting nursing students confirmed the following 2 points. (1) The convenience of the AKaTool is high for the nursing students that are no good with computers. (2) Association charts can be edited in a shorter time than when writing by hand.

    DOI: 10.14926/jsise.33.31

    CiNii Books

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  • AKaTool: An Association Chart Production Tool for Nursing Education Reviewed

    Hiroaki Sawano, Motoyasu Saburi, Norio Ishii, Yuri Suzuki, Takeshi Tsuchiya, Keiichi Koyanagi

    2016 11TH INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE & EDUCATION (ICCSE)   252 - 257   2016

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/ICCSE.2016.7581589

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  • A study of a supporting system for reviewing trial lessons using image processing technologies Reviewed

    Takuya Konishi, Hiroaki Sawano, Masanobu Sakamoto, Naoya Chujo, Yuri Suzuki, Takeshi Tsuchiya, Keiichi Koyanagi

    IEEJ Transactions on Electronics, Information and Systems   135 ( 12 )   1509 - 1516   2015.12

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    DOI: 10.1541/ieejeiss.135.1509

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  • Production and Practical Use of Simple Animated Learning Materials Compatible with Tablet Terminals Reviewed

    Yoshito YAMAMOTO, Hiroo HIROSE, Hiroshi Ichikawa, Takeshi TSUCHIYA, Takeshi OZAKI

    Proceeding of E-Learn 2015, Association for the Advancement of Computing in Education   - 8   2015.10

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  • Information management platform model for local sightseeing and disaster prevention information Reviewed

    Takeshi Tsuchiya, Hiroo Hirose, Tadashi Miyosawa, Hiroaki Sawano, Tetsuyasu Yamada, Keiichi Koyanagi

    IFAC-PapersOnLine   28 ( 1 )   667 - 668   2015.2

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    DOI: 10.1016/j.ifacol.2015.05.086

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  • Information Management Platform Model for Local Sightseeing and Disaster Prevention Information Reviewed

    Takeshi Tsuchiya, Hiroo Hirose, Tadashi Miyosawa, Hiroaki Sawano, Tetsuyasu Yamada, Keiichi Koyanagi

    Proceedings of 8th Vienna International Conference on Mathematical Modelling   683 - 684   2015.2

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  • A Fundamental Study on a Shot Extraction of a Wedding Credit Roll by a Camera Movement Reviewed

    T. Suzuki, H. Sawano, T. Tsuchiya, K. Koyanagi

    Proc. of 2015 Joint Conference of IWAIT and IFMIA   2015.1

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  • Fundamental Study on an Interactive House Plan System Projected in a Real Space Reviewed

    T. Iwata, H. Sawano, Y. Suzuki, T. Tsuchiya, K. Koyanagi

    Proc of 2015 Joint Conference of IWAIT and IFMIA   2015.1

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  • A Study on Road Construction Site Detection with a Traffic Cone in an In-Vehicle Video Reviewed

    S. Nakamura, H. Sawano, N. Chujo, T. Tsuchiya, K. Koyanagi

    Proc of 2015 Joint Conference of IWAIT and IFMIA   2015.1

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  • A Study on an AR Aquarium Tracking a Fish Reviewed

    H. Osanai, K. Suzuki, H. Sawano, T. Tsuchiya, K. Koyanagi

    Proc. of 2015 Joint Conference of IWAIT and IFMIA   2015.1

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  • A Study on a Digital Signage Showing Method on a Wide Connected Screen Tracking a Pedestrian Reviewed

    K. Suzuki, H. Sawano, T. Tsuchiya, K. Koyanagi

    Proc of Joint Conference of IWAIT and IFMIA   2015.1

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  • 映像制作初心者のための絵コンテ自動生成システムの検討 Reviewed

    原拓海, 澤野弘明, 鈴木裕利, 土屋健, 小柳恵

    Nicograph 2014   121 - 122   2014.11

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  • A Study on a Storyboard Generation System with an Image Hosting API Reviewed

    T. Hara, T. Suzuki, H. Sawano, T. Tsuchiya, H. Hirose, Y. Suzuki, K. Koyanagi

    Proc. of The Fourth IIEEJ Int’l Workshop on Image Electronics and Visual Computing   2014.10

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  • Accelerating Software Model Checking using Program Backbone within Distributed System Reviewed

    Jiawei YONG, Keiichi KOYANAG, Takeshi TSUCHIYA, Tetsuyasu YAMADA, Hiroaki SAWANO

    IEEE International Conference on Information and Automation & Automation and Logistics   2014.7

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    DOI: 10.1109/ICInfA.2014.6932622

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  • 地域カルタを用いた地域学習支援のタブレット端末アプリの提案 Reviewed

    佐竹 良崇, 岩田 拓也, 澤野 弘明, 土屋 健, 小柳 惠一

    マルチメディア,分散,協調とモバイル(DICOMO2014)シンポジウム   777 - 780   2014.7

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  • Comparison of Electronic Books and Paper Books in Human Short-Term Memory Reviewed

    Hiroo HIROSE, Takeshi OZAKI, Takeshi TSUCHIYA, Tadashi MIYOSAWA, Yoshito YAMAMOTO, Hiroshi ICHIKAWA, Tetsuyasu YAMADA

    Proceedings of ED-MEDIA 2014   - 7   2014.7

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  • 画像共有APIを利用した絵コンテの自動生成システムの提案 Reviewed

    原 拓海, 鈴木 貴博, 澤野 弘明, 土屋 健, 小柳 惠一

    マルチメディア,分散,協調とモバイル(DICOMO2014)シンポジウム   1443 - 1446   2014.7

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  • Regional Information Platform and Information Distribution System in Telecommunication and Broadcasting Convergence Reviewed

    Tadashi Miyosawa, Hiroo Hirose, Takeshi Tsuchiya, Wataru Kameyama, Keiichi Koyanagi, Hisashi Yamamoto, Hideyasu Karasawa, Hidenaga Karasawa, Kenichi Masuzawa

    ThinkMind // ICDS 2014, The Eighth International Conference on Digital Society   143 - 151   2014.3

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  • Virtualization Model of a Large Logical Database for Diffused Data by Peer-to-Peer Cloud Computing Technology Reviewed

    Takeshi TSUCHIYA, Tadashi MIYOSAWA, Hiroo HIROSE, Keiichi KOYANAGI

    Proceeding of The Thirteenth International Conference on Networks   2014.2

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  • Study on Local Information Platform to Perform Integrated Management for Local Sightseeing and Disaster Prevention Information Diffused on Internet Reviewed

    Takeshi Tsuchiya, Hiroo Hirose, Tadashi MIyosawa, Tetsuyasu Yamada

    International Journal of Emerging Technology and Advanced Engineering   4 ( 2 )   89 - 95   2014.2

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  • Improving Software Model Checking on Program Backbone within Distributed System Reviewed

    Jiawei Yong, Keiichi Koyanagi, Takeshi Tsuchiya, Tetsuyasu Yamada, Hiroaki Sawano

    2014 IEEE INTERNATIONAL CONFERENCE ON INFORMATION AND AUTOMATION (ICIA)   35 - 40   2014

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  • Improving Routing Load Balance on Chord Reviewed

    Lirong Lin, Keiichi Koyanagi, Takeshi Tsuchiya, Tadashi Miyosawa, Hiroo Hirose

    2014 16TH INTERNATIONAL CONFERENCE ON ADVANCED COMMUNICATION TECHNOLOGY (ICACT)   733 - 738   2014

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    DOI: 10.1109/ICACT.2014.6779059

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  • Analysis of Tablet PC Operation that Elderly People Have Difficulty in Performing By GIS Map System Reviewed

    Hiroo Hirose, Takeshi Tsuchiya, Tadashi Miyosawa, Michihiro Amagasa

    Proceedings of E-Learn 2013, Association for the Advancement of Computing in Education   1 - 11   2013.10

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  • 車車間通信による車載映像合成の提案 Reviewed

    中村 舜, 橋本 幸二郎, 澤野 弘明, 土屋 健, 小柳 恵一

    マルチメディア、分散、協調とモバイル(DICOMO2013)シンポジウム   2013.7

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  • パラメトリックスピーカーを用いた音楽ゲームSound Shootingの提案 Reviewed

    小山内 晴紀, 澤野 弘明, 土屋 健, 小柳 恵一

    マルチメディア、分散、協調とモバイル(DICOMO2013)シンポジウム   2013.7

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  • RESEARCH ON TRUST MANAGEMENT MANNER FOR PEER-TO-PEER OVERLAY NETWORK SERVICES Reviewed

    Takeshi Tsuchiya, Tadashi Miyosawa, Hiroo Hirose, Masao Okuhara, Keiichi Koyanagi

    PROCEEDINGS OF THE INTERNATIONAL CONFERENCE e-Society 2013   447 - 481   2013.3

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  • Research on Distributed Database Service to Integrate Diffusion Data by Peer-to-Peer Cloud Computing Technology Reviewed

    TSUCHIYA Takeshi, YOSHINAGA Hirokazu, KOYANAGI Keiichi

    J. SOFT   25 ( 1 )   583 - 597   2013.2

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    In this paper, we propose the strategy for the distributed database technology to integrate data of diffused databases on the Internet by Peer-to-Peer cloud computing technology, which enables to construct logical data spaces for controlling and managing them by SQL. In recent years, there are several kinds and functions of databases, and they have been constructed original databases including their characteristics and faculties. Utilizing them would be expected to create new wonderful services. The proposal model in this paper has following characteristics: one is realizing controls and managements of data relationships by SQL over the functions of database like RDBMS, KVS and locales of each database. The other is the service scalability by collaborations among distributed nodes. From the result of evaluation, proposal model in this paper clarifies that it combines the advanced data management by SQL and service scalability by collaborations of distributed nodes. As for the next step, we discuss about the improvement of service performance by the replication technology such as cashing manner.

    DOI: 10.3156/jsoft.25.583

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  • Regional Information Platform and One-Segment Local Broadcast Service for Tourism Promotion and Disaster Prevention: An initial experiemt and assessment Reviewed

    Tadashi Miyosawa, Hiroo Hirose, Takeshi Tsuchiya

    DigitalWorld2013 ICDS2013   87 - 92   2013.2

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  • A Cloud Service For End-user Participation Concerning The Internet Of Things Reviewed

    Colin Atkins, Keiichi Koyanagi, Takeshi Tsuchiya, Tadashi Miyosawa, Hiroo Hirose, Hiroaki Sawano

    2013 INTERNATIONAL CONFERENCE ON SIGNAL-IMAGE TECHNOLOGY & INTERNET-BASED SYSTEMS (SITIS)   273 - 278   2013

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    DOI: 10.1109/SITIS.2013.53

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  • Dream board: a visualization system by handwriting recognition.

    Tomomi Hatanaka, Tomoki Hayashi, Keita Suzuki, Hiroaki Sawano, Takeshi Tsuchiya, Kei'ichi Koyanagi

    SIGGRAPH Asia 2013   22 - 22   2013

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    DOI: 10.1145/2542302.2542329

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  • A Trust-based Routing Strategy in Structured P2P Overlay Networks Reviewed

    Yang Han, Keiichi Koyanagi, Takeshi Tsuchiya, Tadashi Miyosawa, Hiroo Hirose

    2013 INTERNATIONAL CONFERENCE ON INFORMATION NETWORKING (ICOIN)   2013

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    DOI: 10.1109/ICOIN.2013.6496355

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  • Analysis of Ease of Reading Text in Browser by Changing Fonts Reviewed

    Hiroo Hirose, Takeshi Tsuchiya, Tadashi Miyosawa, Michihiro Amagasa

    Proceedings of E-Learn 2012, Association for the Advancement of Computing in Education   186 - 192   2012.10

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  • 信頼性に基づいたP2P型オーバレイネットワーク管理方式の検討 Reviewed

    土屋 健, 小柳恵一

    電子情報通信学会技術報告 IN   2012.7

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  • Research on inter-domain collaborative syllabus services with cross-retrieval

    Takashi Kawaba, Takeshi Tsuchiya, Keiichi Koyanagi

    Proceedings - 2012 8th International Conference on Computing Technology and Information Management, ICCM 2012   1   305 - 309   2012

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  • 汎用型ウェブシラバスシステムの開発 Reviewed

    川場隆, 土屋健, 小柳恵一

    日本教育工学会論文誌   ( 35 )   61 - 64   2011.12

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  • Unbalanced replication by evaluating popularity over web scalable storage Reviewed

    Ting-Wei Chen, Carlos Madrazo, Takeshi Tsuchiya, Keiichi Koyanagi

    Proceedings - 2011 IEEE International Conference on Computer Science and Automation Engineering, CSAE 2011   4 ( 7 )   189 - 192   2011

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    DOI: 10.1109/CSAE.2011.5952831

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  • Scalable and Consistency Object Replication Method for the Distributed Cooperative Storage System Reviewed

    YOSHINAGA Hirokazu, TSUCHIYA Takeshi, KOYANAGI Keiichi

    J. SOFT   22 ( 2 )   pp.246 - 256   2010.4

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    We have proposed the Distributed Cooperative Storage System. Objects are inserted into several peers distributedly according to their hashed value. The storage sytem uses the P2P technology and it enables to construct an overlay network in the application layer. In the general P2P network, objects are replicated over many peers to achieve high availability. In this paper, we propose novel replication model called the "Distributed Interval Tree" that peers manage the "Interval Tree" distributedly.

    DOI: 10.3156/jsoft.22.246

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  • Scalable and Consistency Object Replication Method for the Distributed Cooperative Storage System Reviewed

    YOSHINAGA Hirokazu, TSUCHIYA Takeshi, KOYANAGI Keiichi

    J. SOFT   22 ( 2 )   246 - 256   2010.2

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    We have proposed the Distributed Cooperative Storage System. Objects are inserted into several peers distributedly according to their hashed value. The storage sytem uses the P2P technology and it enables to construct an overlay network in the application layer. In the general P2P network, objects are replicated over many peers to achieve high availability. In this paper, we propose novel replication model called the "Distributed Interval Tree" that peers manage the "Interval Tree" distributedly.

    DOI: 10.3156/jsoft.22.246

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    Other Link: https://jlc.jst.go.jp/DN/JALC/00350688811?from=CiNii

  • Streaming Cloud Service Concept by Peer-to-Peer Distributed Technology Reviewed

    Takeshi Tsuchiya, Hirokazu Yoshinaga, Keiichi Koayanagi

    SERVICE COMPUTATION 2010: THE SECOND INTERNATIONAL CONFERENCES ON ADVANCED SERVICE COMPUTING   196 - 201   2010

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  • Tree Based Structured Management of Delivery Path for the Multi-Path Streaming Reviewed

    Guochao Jing, Takeshi Tsuchiya, Katsuhiro Sebayashi, Kenji Shimizu, Mitsuru Maruyama, Keiichi Koyanagi

    2010 SECOND INTERNATIONAL CONFERENCE ON COMPUTATIONAL INTELLIGENCE, COMMUNICATION SYSTEMS AND NETWORKS (CICSYN)   334 - 339   2010

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    DOI: 10.1109/CICSyN.2010.44

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  • Scalable and Persistent Multimedia Data Management System using The Distributed Interval Trees Reviewed

    Hirokazu Yoshinaga, Takeshi Tsuchiya, Keiichi Koyanagi

    Proc. Of Euro IMSA   86 - 92   2009.7

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  • Air Bubles in Ice by Simulating Freezing Phenomenon Reviewed

    Madrazo Carlos, Tsuchiya Takeshi, Sawano Hiroaki, Koyanagi Keiichi

    芸術科学会論文誌   8   35 - 42   2009.4

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  • A distributed information retrieval manner based on the statistic information for ubiquitous services Reviewed

    Takeshi Tsuchiya, Hiroaki Sawano, Marc Lihan, Hirokazu Yoshinaga, Keiichi Koyanagi

    Progress in Informatics   6 ( 6 )   63 - 77   2009.3

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    DOI: 10.2201/NiiPi.2009.6.8

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  • P2P Distributed Information Retrieval Method by the Independent Indices Management for the Ubiquitous Services Environment Reviewed

    TSUCHIYA Takeshi, YOSHINAGA Hirokazu, KOYANAGI Keiichi

    J. SOFT   21 ( 1 )   129 - 141   2009.2

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    In this paper, we propose and discuss the distributed information retrieval (IR) manner named the independent indices management manner for contents and services on the overlay networks. The proposal manner has two features; one is un-structured indices management model which generates and manages the indices independently on each management peers selected from overlay networks, and another is the connections based on the P2P technology. The result of evaluations clarifies our proposal manner has both abilities: the peer distribution scalability as same as P2P overlay network applications, and retrieval accuracy as same as indices centralized in a server manner. Comparing with our previous work, our proposal manner in this paper is suitable in view points of distribution scalability, load balancing, and fault tolerance. As last, we could expect that our proposal is used as one of distributed IR manners for the ubiquitous services environments.

    DOI: 10.3156/jsoft.21.129

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  • A Study on Scalable Object Replication Method for the Distributed Cooperative Storage System Reviewed

    Hirokazu Yoshinaga, Takeshi Tsuchiya, Hiroaki Sawano, Keiichi Koyanagi

    ICDT: 2009 FOURTH INTERNATIONAL CONFERENCE ON DIGITAL TELECOMMUNICATIONS   96 - 101   2009

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    DOI: 10.1l09/ICDT.2009.25

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  • An ice rescue support system Reviewed

    Carlos Madrazo, Takeshi Tsuchiya, Hiroaki Sawano, Keiichi Koyanagi

    ACM SIGGRAPH ASIA 2009 Posters, SIGGRAPH ASIA '09   2009

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    DOI: 10.1145/1666778.1666803

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  • Study on Multi-Path Transmission Model based on P2P Overlay Networks for Streaming Data Reviewed

    Guochao Jing, Takeshi Tsuchiya, Hiroaki Sawano, Takeshi Kugimoto, Katsuhiro Sebayashi, Osamu Akashi, Mitsuru Maruyama, Keiichi Koyanagi

    2009 9TH ANNUAL INTERNATIONAL SYMPOSIUM ON APPLICATIONS AND THE INTERNET   271 - +   2009

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    DOI: 10.1109/SAINT.2009.63

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  • Distributed multimedia information retrieval manner based on the statistic information with privacy Reviewed

    Takeshi Tsuchiya, Hirokazu Yoshinaga, Keiichi Koyanagi

    ICSC 2009 - 2009 IEEE International Conference on Semantic Computing   642 - 647   2009

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    DOI: 10.1109/ICSC.2009.38

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  • Localization algorithms for distributed platform among vehicles Reviewed

    Takeshi Tsuchiya, Hirokazu Yoshinaga, Marc Lihan, Keiichi Koyanagi

    2009 International Conference on Ultra Modern Telecommunications and Workshops   1 - 6   2009

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    DOI: 10.1109/ICUMT.2009.5345615

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  • Streaming Management Platform for Distributed Camera Systems Reviewed

    Takeshi Tsuchiya, Hiroaki Sawano, Hirokazu Yoshinaga, Keiichi Koyanagi

    2009 COMPUTATION WORLD: FUTURE COMPUTING, SERVICE COMPUTATION, COGNITIVE, ADAPTIVE, CONTENT, PATTERNS   392 - 397   2009

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    DOI: 10.1109/ComputationWorld.2009.64

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  • Orientation-Aware Indoor Localization Path Loss Prediction Model for Wireless Sensor Networks Reviewed

    Marc Lihan, Takeshi Tsuchiya, Keiichi Koyanagi

    NETWORK-BASED INFORMATION SYSTEMS, PROCEEDINGS   5186   169 - 178   2008

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  • Comparison of orientation-aware RSS-based localization algorithms Reviewed

    Marc Lihan, Hiroaki Sawano, Takeshi Tsuchiya, Keiichi Koyanagi

    Proceedings of the International Conference on Mobile Technology, Applications, and Systems, Mobility'08   2008

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    DOI: 10.1145/1506270.1506392

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  • 意味情報インデックスを用いたP2P型分散検索手法の実現 Reviewed

    土屋健, 吉永浩和, 小柳恵一

    情報科学技術レターズ(IT Letters)   387 - 390   2007.9

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  • Peer-to-Peer環境における協調作業アプリケーションのための適応型調停プラットフォーム Reviewed

    吉永浩和, 土屋健, 小柳恵一

    情報処理学会誌   第46巻, 第8号   2162 - 2173   2005.8

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  • P2Pコンピューティング技術によるオーバレイストリーミングシステムの構築 Reviewed

    土屋健, 吉永浩和, 小柳恵一

    情報処理学会誌   41 ( 6 )   1466 - 1469   2005.6

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  • Coordinator election using the object model in P2P networks Reviewed

    H Yoshinaga, T Tsuchiya, K Koyanagi

    AGENTS AND PEER- TO PEER COMPUTING   3601   161 - 172   2005

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  • STARCast: Streaming collaboration architecture on heterogeneous environment everywhere

    Takeshi Tsuchiya, Hirokazu Yoshinaga, Keiichi Koyanagi

    NRBC'04 - Proceedings of the ACM Workshop on Next-Generation Residential Broadband Challenges   57 - 62   2004

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▼display all

Books

  • インターネットから収集する情報 〜地域の観光防災情報の高度化を目指して〜

    土屋 健( Role: Sole author)

    理大科学フォーラム  2015.6 

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  • キャリア開発入門

    奥原正夫, 広瀬啓雄, 松岡隆志, 柳田仁, 石森秀明, 三代沢正, 飯田洋市, 平尾毅, 井上善美, 鳥居陽介, 土屋健, 山縣宏寿, 久保隆光, 渡邊容子, 井上仁志, 神谷篤史, 飯野正明( Role: Joint author)

    株式会社オーエム  2012.9 

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MISC

  • Research on Improvement of Information Platform for Local Tourism by Paragraph Vector Utilizing Diverse Information

    IN2017 ( 74 )   25 - 30   2018.1

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  • 大規模イベントにおける位置情報型ARの活用実験と利用者の行動分析

    三代沢 正, 広瀬 啓雄, 土屋 健

    情報処理学会 研究報告ユビキタスコンピューティングシステム(UBI)   2017-UBI-53(28),1-8 (2017-03-0   2017.3

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  • 就活生の横の繋がりを重視したコミュニケーションに関する研究

    唐沢直樹, 土屋 健, 澤野弘明, 広瀬啓雄, 山田哲靖, 三代沢正, 小柳恵一

    情報処理学会第79回全国大会   5ZD-09   2017.3

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  • Multipath TCPを構成する subflowのネットワーク状況に適応した重み付けによるスループット向上の検討

    土屋 健, 澤野弘明, 広瀬啓雄, 三代沢 正, 山田哲靖, 小柳恵一

    ネットワークシステム研究会(NS)   NS2016 ( 176 )   111 - 116   2017.3

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  • インターネットから収集する情報 〜地域の観光防災情報の高度化を目指して〜

    土屋健

    理大 科学フォーラム   32 ( 6 )   34 - 39   2015.6

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  • モバイル端末を入力デバイスとする拡張タンジブルの提案

    伊藤諒, 鈴木啓太, 澤野弘明, 土屋健, 小柳惠一

    情報処理学会全国大会   2015.3

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  • 弱者コミュニケーションのためのデジタル手書きによる画像提示システムに関する研究

    水野淳哉, 小山内晴紀, 鈴木啓太, 澤野弘明, 土屋健, 小柳惠一

    情報処理学会全国大会   2015.3

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  • 地域学習支援タブレット端末アプリ「しのスタ」の提案

    片桐雅貴, 佐竹良崇, 澤野弘明, 石井成郎, 鈴木裕利, 土屋健, 小柳惠一

    教育システム情報学会, 2014年度特集論文研究会研究報告   2015.3

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  • “魚の位置に対応した水槽プロジェクションシステムの提案

    小山内晴紀, 鈴木啓太, 澤野弘明, 土屋健, 小柳恵一

    情報処理学会エンタテインメントコンピューティング研究会研究報告   2014 ( EC-34 )   1 - 6   2014.12

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  • Development of University area broadcasting system enabling high efficiency and usefulness

    映情学技法 VOL.38 ( NO.49 )   61 - 64   2014.12

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  • Development of University area broadcasting system enabling high efficiency and usefulness

    2014 ( 12 )   1 - 4   2014.11

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  • 画像検索を利用した絵コンテの自動生成システムの提案

    原拓海, 志賀俊佑, 澤野弘明, 土屋健, 小柳惠一

    平成26年度電気・電子・情報関係学会東海支部連合大会   2014.9

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  • 画像処理による個人認証とSNS情報を用いた電子広告システムの基礎検討

    岩本雄太, 中村舜, 澤野弘明, 土屋健, 小柳惠一

    平成26年度電気・電子・情報関係学会東海支部連合大会   2014.9

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  • Development and Evaluation of Regional Information Platform and Information Distribution System : For Tourism Promotion and Disaster Prevention

    37 ( 54 (BCT2013-108) )   135 - 140   2013.12

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  • Development and Evaluation of Regional Information Platform and Information Distribution System - For Tourism Promotion and Disaster Prevention -

    2013 ( 25 )   1 - 6   2013.11

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  • インターネットに拡散する地域観光・防災情報を統合管理する地域情報プラットフォームの検討

    土屋 健, 広瀬啓雄, 三代沢 正, 石森秀明, 小柳恵一

    電子情報通信学会技術研究報告   112 ( 464 )   267 - 272   2013.3

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  • 車車間通信における画像合成処理の基礎検討

    中村 舜, 澤野弘明, 土屋健, 小柳恵一

    第75回情報処理学会予稿集   2013.3

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  • One-Segment Local Broadcast Service for Tourism Promotion and Disaster Prevention

    映情学技法 VOL36 ( 53 )   119 - 123   2012.12

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  • One-Segment Local Broadcast Service for Tourism Promotion and Disaster Prevention

    2012 ( 22 )   1 - 5   2012.11

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  • 信頼性に基づいたP2P型オーバレイネットワーク管理方式の検討

    土屋 健, 小柳 恵一

    電子情報通信学会技術研究報告   112 ( 134 )   91 - 96   2012.7

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  • クラウドコンピューティング環境における既存サービスを活用したDBサービスの高度化に関する研究

    土屋 健, 吉永 浩和, 小柳 恵一

    電子情報通信学会技術研究報告   110 ( 448 )   235 - 240   2011.3

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  • XMLにマッピングしたシラバスオブジェクトによる汎用シラバスシステムの開発

    川場 隆, 土屋 健, 小柳 恵一

    情報処理学会研究報告   141 ( 11 )   1 - 9   2009.11

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  • Dynamic User Privacy Derivation Manner for Distribution Information Retrieval on Ubiquitous Services Environment

    TSUCHIYA Takeshi, YOSHINAGA Hirokazu, KOYANAGI Keiichi

    IEICE technical report   109 ( 129 )   19 - 24   2009.7

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    In the Ubiquitous service environment, several kinds of services are available through the networks. We have proposed and discussed some type of distributed information retrieval manner which targeted such situation. But the information of objects which the user retrieved and received includes to be provided by normal peers. Therefore, the information of retrieved result don't expose all result to the user, the retrieval service needs to be required the functions which derived the judgment (expose or not) dynamically based on the relationship between the user of service and holder of information. So we propose and discuss the derivation manner from retrieved result. As for the evaluation of proposal manner, the simulation clarifies the accuracy of detection use of several kinds of corpus assumed as the objects. And we analysis and discuss the availability of proposal manner based on the characteristics and attribute.

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  • A study on multi-path streaming media based on P2P overlay networks

    G.JING, T.TSUCHIYA, K.KOYANAGI

    電子情報通信学会技術研究報告   108 ( 457 )   405 - 410   2009.3

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  • Honeycomb: A novel approach for construction of stable ALM overlay

    Liu Baiqiang, Takeshi Tsuchiya, Keiichi Koyanagi

    PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON INFORMATION TECHNOLOGY: NEW GENERATIONS   402 - 407   2008

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  • Distributed Information Retrieval service for Ubiquitous services

    Tsuchiya Takeshi, Mark Lihan, Yoshinaga Hirokazu, Koyanagi Keiichi

    ARES 2008: PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON AVAILABILITY, SECURITY AND RELIABILITY   842 - 850   2008

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  • A Proposal of P2P Decentralized Search Engine Based on Statistic Information of Contents

    TSUCHIYA Takeshi, YOSHINAGA Hirokazu, KOYANAGI Keiichi

    The IEICE transactions on communications B   90 ( 7 )   648 - 659   2007.7

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  • Peer-to-peer collaborative application-level multicast

    Jianbing Zhu, Takeshi Tsuchiya, Keiichi Koyanagi

    9TH IEEE INTERNATIONAL CONFERENCE ON E-COMMERCE TECHNOLOGY/4TH IEEE INTERNATIONAL CONFERENCE ON ENTERPRISE COMPUTING, E-COMMERCE AND E-SERVICES   228 - +   2007

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  • Decentralized information retrieval systems based on contents information for ubiquitous services

    Takeshi Tsuchiya, Hirokazu Yoshinaga, Keiichi Koyanagi

    21ST INTERNATIONAL CONFERENCE ON ADVANCED NETWORKING AND APPLICATIONS WORKSHOPS/SYMPOSIA, VOL 2, PROCEEDINGS   1013 - +   2007

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  • STARCast: Streaming collaboration platform using the overlay technology

    T Takeshi, Y Hirokazu, K Keiichi, H Akira, M Akira

    INTERNATIONAL SYMPOSIUM ON APPLICATIONS AND THE INTERNET WORKSHOPS, PROCEEDINGS   118 - 121   2006

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  • Scalable Object Replication Method for the Distributed Cooperative Storage

    YOSHINAGA Hirokazu, TSUCHIYA Takeshi, KOYANAGI Keiichi

    IEICE technical report   105 ( 470 )   25 - 28   2005.12

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    We proposed the Distributed Cooperative Storage System before. It manages objects by distributed them to several peers according to hashed value. The storage sytem uses the P2P technology and it enables to construct an overlay network in the application layer. In the general P2P network, objects are replicated over many peers to achieve high availability. However, the number of replication is fixed and appropriate value is not set. That is, it becomes an extra data amount in the small network and it is not enought data amount in the large network. We proposed the group based replication policy that objects are replicated in the same group members. The number of replication is also dependent of the group size and it is difficult to set the optimal size. In this paper, we propose novel replication model called the "Distributed Interval Trees" that peers manage the "Interval Trees" distributedly.

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  • BS-6-3 Distributed Cooperative Storage System using P2P Technology

    Yoshinaga Hirokazu, Tsuchiya Takeshi, Koyanagi Keiichi

    Proceedings of the Society Conference of IEICE   2005 ( 2 )   "S - 58"-"S-59"   2005.9

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  • A method for index allocation based Statistic Information and its Searching Mechanism towards P2P Decentralized Searching Engine

    TSUCHIYA Takeshi, YOSHINAGA Hirokazu, KOYANAGI Keiichi

    IEICE technical report   105 ( 127 )   85 - 88   2005.6

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    Recently, we try to decentralized search engine based on statistic information used of current search engine, over user oriented network such as P2P. But in order to realize this searching mechanism, the index generated by statistic information need to keep the information of distribution. And we need to keepdistribution of these index centralizing. In this paper, we propose the distributed allocation method of statistic information which targets on centralized index and searching mechanism, Conical Searching mechanism. This proposal method is expected for large scaling of nodes and real-time update of their contents.

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  • Distributed Cooperative Storage Architecture in Peer-to-Peer Networks

    YOSHINAGA Hirokazu, TSUCHIYA Takeshi, KOYANAGI Keiichi

    IEICE technical report   105 ( 127 )   81 - 84   2005.6

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    In this paper, we propose the distributed cooperative storage system in Peer-to-Peer Networks. Peers create overlay network in application level and manage replicated objects and cache it's meta information. In that overlay network, peers are devided in coordinator peer and edge peer according to their environmental information. Coordinator peers create mirror groups where key range by hash value is assigned to manage objects. Also, proposed system supports object's update and assures it's consistency.

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  • STARCast: The Streaming Platform Use of P2P Technology

    TSUCHIYA Takeshi, YOSHINAGA Hirokazu, KOYANAGI Keiichi

    IEICE technical report   105 ( 127 )   17 - 20   2005.6

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    Connecting among different streaming systems need to transform their codec and control protocol. In this paper, we propose the method of Dynamic connection among streaming hardware, network appliance, and PCs in order to provide that transform as one of overlay network service. First we point out the matters of current technology, and propose Resource Manager. Our RM is expected one of constructor as cooperative service among home appliances on home-network.

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  • 統計情報に基づくP2P分散検索を実現するためのインデックス配置と検索手法の検討

    土屋健

    火の国シンポジウム, Mar. 2005   2005

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  • A Developping of disseminated robots for inevitable accident

    TSUCHIYA Takeshi, YOSHINAGA Hirokazu, YANAGAWA Syunichi, KOYANAGI Keiichi

    Proceedings of the Society Conference of IEICE   2003 ( 2 )   "S - 15"-"S-16"   2003.9

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Presentations

  • 親子で作る生活での学びを促す学習支援システムの研究開発

    鈴木雄大, 望月龍一, 有賀 奨, 土屋 健

    情報処理学会第83回全国大会,7L-02,  2021.3 

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  • ユーザ主導で構築可能な学習支援システムの提案

    鈴木雄大, 望月龍一, 土屋 健

    令和2年度電気電子情報関係学会東海支部連合大会I3-3  2020.9 

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  • 特徴モデル結合による分散データ環境で機械学習を実現する情報プラットフォームの検討

    土屋健, 望月龍一, 広瀬啓雄, 山田哲靖, 澤野弘明, 小柳恵一

    信学技報, vol. 119, no. 477, LOIS2019-72, pp. 91-96  2020.3 

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  • フォグコンピューティングによるグループ環境に適応したデータ管理基盤の提案

    望月龍一, 土屋健, 広瀬啓雄, 山田哲靖, 澤野弘明, 小柳恵一

    情処技報インターネットと運用技術(IOT),2020-IOT-48(12),pp.1-6  2020.2 

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  • IoT 人工知能が目指す先には何があるのか? Invited

    土屋健

    産学官交流連携会 in 松本  2019.10 

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  • ユーザ環境に適応したデータ管理基盤の提案

    望月龍一, 土屋健, 広瀬啓雄, 山田哲靖, 澤野弘明, 小柳恵一

    令和元年度電気・電子・情報関係学会東海連大  2019.9 

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  • 来遊者に興味を与える地域特性を発見するためのComputer Vision APIに基づくSNS投稿画像分析手法の検討

    橋本幸二郎, 三代沢正, 宮部真衣, 土屋健, 尾崎剛, 広瀬啓雄

    情報科学技術フォーラム  2019.9 

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  • SNSに投稿された写真による旅行者の行動分析~長野県茅野市の場合~

    三代沢正, 橋本幸二郎, 土屋健, 尾崎剛, 宮部真衣, 広瀬啓雄

    2019年映像情報メディア学会年次大会 

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  • IoTの現状と今後への期待

    土屋 健

    茅野 IoT・AI 研究会第五回研究会  2018.12 

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  • 中小企業のために少量データから疑似 Big データ作成 法 Invited

    土屋 健, 広瀬啓雄

    SuwaconVallay2018  2018.9 

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  • フォグコンピューティングにおけるユーザ指向動的データ管理手法の検討

    望月, 土屋, 広瀬, 澤野,小柳

    平成30年度 電気関係連合大会学会東海支部大会  2018.9 

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  • Paragraph Vector を利用したインターネット広告の高度化

    青柳, 土屋, 三代沢, 広瀬, 澤野, 吉永, 小柳

    情報処理学会第80回全国大会  2018.3 

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  • 多様な情報を活用した地域観光情報基盤の高度化の実現

    土屋 健, 青柳志穂里, 三代沢 正, 山田哲靖, 広瀬啓雄, 澤野弘明, 小柳恵一

    電子情報通信学会 情報ネットワーク研究会  ( 愛知県産業労働センター ウィンクあいち )   2018.1 

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  • Paragraph Vectorを利用した地域観光情報基盤の高度化

    青柳 志穂里, 土屋, 健, 澤野弘明, 広瀬, 啓雄, 三代沢, 正, 小柳 恵一

    電気・情報関係学会東海支部連合大会  ( 名古屋大学 )   2017.9 

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  • 検出対象の時系列情報に基づく運転操作誘発対象の取捨選択手法の提案

    検出対象の時系列情報に基づく運転操作誘発対象の取捨選択手法の提案

    日本知能情報ファジィ学会(SOFT)ベンチャー研究会「動きの様相から先 を読む」  ( 名古屋工業大学 )   2017.8 

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  • 就活生の横の繋がりを重視したコミュニケーションに関する研究

    唐沢直樹, 土屋健, 澤野弘明, 広瀬啓雄, 山田哲靖, 三代沢正, 小柳恵一

    情報処理学会全国大会  ( 名古屋大学 )   2017.3 

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  • 大規模イベントにおける位置情報型ARの活用実験と利用者の行動分析

    三代沢 正, 広瀬 啓雄, 土屋 健

    情報処理学会 ユビキタスコンピューティングシステム(UBI)研究会  ( 東京大学 )   2017.3 

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  • 複数の魚の位置関係に基づいた映像演出の検討

    伊神栞里, 澤野弘明, 鈴木裕利, 土屋健, 小柳恵一

    マルチメディア,分散,協調とモバイル(DICOMO2016)シンポジウム  ( 鳥羽シーサイドホテル )   2016.7 

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  • Quantitative Analysis Method Of Success Factors And Learning Effects In Project-Based Learning International conference

    Takeshi Ozaki, Takeshi Tsuchiya, Tadashi Miyosawa, Tetsuyasu Yamada, Hiroo Hirose, Hirosi Ichikawa, Yoshito Yamamoto

    2016 International Education Conference  ( Venice )   2016.6 

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  • 文字認識を用いた画像提示電子黒板のための画像動的配置法に関する提案

    小山直紀, 澤野弘明, 鈴木裕利, 土屋健, 小柳恵一

    第78回情報処理学会全国大会  ( 慶應義塾大学矢上キャンパス )   2016.3 

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  • バス停留所付近の停止車両検出に基づく危険予測システムの提案 International conference

    山口達也, 加藤葵, 澤野弘明, 鈴木裕利, 土屋健, 小柳惠一

    平成27年度電気・電子・情報関係学会東海連大,  ( 名古屋工業大学 )   2015.9 

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  • バス停留所付近の停止車両検出に基づく危険予測システムの基礎検討 International conference

    加藤葵, 山口達也, 澤野弘明, 鈴木裕利, 土屋健, 小柳惠一

    情報処理学会研究報告ITS, Vol. 2015-ITS-62, No. 3, 1–6  ( 稚内北星学園大学 )   2015.8 

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  • 魚の動きに対応した映像演出システムの提案

    伊神栞里, 岩本雄太, 澤野弘明, 鈴木裕利, 土屋健, 小柳惠一

    マルチメディア,分散,協調とモバイル(DICOMO2015)シンポジウム  ( ホテル安比グランド )   2015.7 

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  • テキスト入力による絵コンテの下書きと映像の自動生成システムに関する検討

    原拓海, 佐藤貴明, 澤野弘明, 鈴木裕利, 土屋健, 小柳惠一

    マルチメディア,分散,協調とモバイル(DICOMO2015)シンポジウム論文集  ( ホテル安比グランド )   2015.7 

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  • 地域学習支援タブレット端末アプリ「しのスタ」の提案

    片桐雅貴, 佐竹良崇, 澤野弘明, 石井成郎, 鈴木裕利, 土屋健, 小柳惠一

    教育システム情報学会, 2014年度特集論文研究会  ( 香川大学 )   2015.3 

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  • 弱者コミュニケーションのためのデジタル手書きによる画像提示システムに関する研究

    水野淳哉, 小山内晴紀, 鈴木啓太, 澤野弘明, 土屋健, 小柳惠一

    2015 情報処理学会全国大会  ( 京都大学 )   2015.3 

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  • モバイル端末を入力デバイスとする拡張タンジブルの提案

    伊藤諒, 鈴木啓太, 澤野弘明, 土屋健, 小柳惠一

    2015情報処理学会全国大会  ( 京都大学 )   2015.3 

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  • A Study on Road Construction Site Detection with a Traffic Cone in an In-Vehicle Video International conference

    S. Nakamura, H. Sawano, N. Chujo, T. Tsuchiya, K. Koyanagi

    2015 Joint Conference of IWAIT and IFMIA  ( Taipei )   2015.1 

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  • A Study on an AR Aquarium Tracking a Fish International conference

    H. Osanai, K. Suzuki, H. Sawano, T. Tsuchiya, K. Koyanagi

    2015 Joint Conference of IWAIT and IFMIA  ( Taipei )   2015.1 

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  • A Study on a Digital Signage Showing Method on a Wide Connected Screen Tracking a Pedestrian International conference

    K. Suzuki, H. Sawano, T. Tsuchiya, K. Koyanagi

    2015 Joint Conference of IWAIT and IFMIA  ( Taipei )   2015.1 

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  • A Fundamental Study on an Interactive House Plan System Projected in a Real Space International conference

    T. Iwata, H. Sawano, Y. Suzuki, T. Tsuchiya, K. Koyanagi

    2015 Joint Conference of IWAIT and IFMIA  ( Taipei )   2015.1 

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  • A Fundamental Study on a Shot Extraction of a Wedding Credit Roll by a Camera Movement International conference

    T. Suzuki, H. Sawano, T. Tsuchiya, K. Koyanagi

    2015 Joint Conference of IWAIT and IFMIA  ( Taipei )   2015.1 

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  • 魚の位置に対応した水槽プロジェクションシステムの提案

    小山内晴紀, 鈴木啓太, 澤野弘明, 土屋健, 小柳恵一

    情報処理学会研究報告, 第34回エンタテインメントコンピューティング研究会  ( 九州大学 )   2014.12 

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  • 省力化(自動化)と有用性を両立した大学内エリア放送システムの構築

    三代沢 正, 広瀬啓雄, 土屋 健, 柳澤大介

    映像情報メディア学会 放送技術研究会  ( 大阪・大阪大学 )   2014.12 

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  • 映像制作初心者のための絵コンテ自動生成システムの検討

    原拓海, 澤野弘明, 鈴木裕利, 土屋健, 小柳恵一

    Nicograph 2014  ( 愛知工業大学 )   2014.11 

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  • 地域観光振興と防災に向けデータマイニングを活用した地域情報プラットフォームとエリアワンセグ配信システムの研究開発

    三代沢 正, 広瀬 啓雄, 土屋 健, 亀山 渉, 小柳, 惠一, スイープラサスック パオ, 山本 永, 松平, 興二, 唐澤 英安, 唐澤, 英長, 増沢 健一

    総務省主催ICTイノベーションフォーラム2014  ( 幕張メッセ国際会議場 )   2014.10 

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  • A Study on a Storyboard Generation System with an Image Hosting API International conference

    T. Hara, T. Suzuki, H. Sawano, T. Tsuchiya, H. Hirose, Y. Suzuki, K. Koyanagi

    The Fourth IIEEJ Int’l Workshop on Image Electronics and Visual Computing  ( Thailand )   2014.10 

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  • 画像検索を利用した絵コンテの自動生成システムの提案

    原拓海, 志賀俊佑, 澤野弘明, 土屋健, 小柳惠一

    平成26年度電気・電子・情報関係学会東海支部連合大会  ( 中京大学 )   2014.9 

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  • 画像検索を利用した絵コンテの自動生成システムの提案

    原 拓海, 志賀俊佑, 澤野弘明, 土屋 健, 小柳惠一

    平成26年度電気関係学会東海支部連合大会  ( 中京大学 名古屋市 )   2014.9 

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  • 画像処理による個人認証とSNS情報を用いた電子広告システムの基礎検討

    岩本雄太, 中村舜, 澤野弘明, 土屋健, 小柳惠一

    平成26年度電気・電子・情報関係学会東海支部連合大会  ( 中京大学 )   2014.9 

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  • 画像処理による個人認証とSNS 情報を用いた電子広告システムの基礎検討

    岩本雄太, 中村舜, 澤野弘明, 土屋 健, 小柳恵一

    平成26年度電気関係学会東海支部連合大会  ( 中京大学 )   2014.9 

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  • 画像共有APIを利用した絵コンテの自動生成システムの提案

    原拓海, 鈴木貴博, 澤野弘明, 土屋健, 小柳惠一

    マルチメディア,分散,協調とモバイル(DICOMO2014)シンポジウム  ( 新潟県 )   2014.7 

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  • 地域カルタを用いた地域学習支援のタブレット端末アプリの提案

    佐竹良崇, 岩田拓也, 澤野弘明, 土屋健, 小柳惠一

    マルチメディア,分散,協調とモバイル(DICOMO2014)シンポジウム  ( 新潟県 )   2014.7 

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  • 車車間通信における画像合成処理の基礎検討

    中村 舜, 澤野弘明, 土屋 健, 小柳恵一

    第75回情報処理学会全国大会  ( 東北大学 )   2013.3 

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  • 信頼性に基づいたP2P型オーバレイネットワーク管理方式の検討

    土屋健, 小柳恵一

    電子情報通信学会情報ネットワーク研究会  ( 北海道大学 )   2012.7 

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  • Unbalanced Replication by Evaluating Popularity over Web Scalability Storage International conference

    T.wei, C.Madrazo, T.Tsuchiya, K.Koyanagi

    IEEE Inte’ l Conf. on Computer Science and Automation Engineering  ( Shanhai )   2011.6 

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  • クラウドコンピューティング環境における既存サービスを活用したDBサービスの高度化に関する研究

    土屋 健, 吉永 浩和, 小柳 恵一

    電子情報通信学会ネットワークシステム研究会  ( 沖縄コンベンションセンター )   2011.3 

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  • Streaming Cloud Service Concept by Peer-to-Peer Distributed Technology International conference

    T.TSUCHIYA, H.YOSHINAGA, K.KOYANAGI

    IARIA Computation World 2010  ( Lisbon )   2010.11 

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  • Tree Based Structured Management of Delivery Path for the Multi-Path Streaming International conference

    G.JING, T.TSUCHIYA, K.KOYANAGI

    IEEE cicsyn 2010  ( Liverpool )   2010.7 

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  • An Ice Rescue Support System International conference

    C. Madrazo, T. Tsuchiya, H. Sawano, K.Koyanagi

    ACM SIGGRAPH Asia 2009  ( Yokohama )   2009.12 

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  • XMLにマッピングしたシラバスオブジェクトによる汎用シラバスシステムの開発

    川場 隆, 土屋 健, 小柳 恵一

    情報処理学会研究報告.  ( 東京 )   2009.11 

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  • Streaming Management Platform for Distributed Camera Systems International conference

    T.TSUCHIYA, H.SAWANO, H.YOSHINAGA, K.KOYANAGI

    Int’l Conf. of Computation World 2009  ( Athens )   2009.11 

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  • Localization algorithms for distributed platform among vehicles International conference

    Tsuchiya.T, Yoshinaga.H, Lihan.M, Koyanagi.K

    Int’l Conf. Ultra Modern Telecommunications  ( Saint-Petersburg )   2009.10 

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  • Distributed Multimedia Information Retrieval International conference

    Takeshi TSUCHIYA, Hirokazu YOSHINAGA, Keiichi KOYANAGI

    IEEE Int’l Conf. on Semantic Computing  ( Barkley )   2009.9 

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  • A Study on Scalable Object Replication Method for the Distributed Cooperative Storage System International conference

    Takeshi TSUCHIYA, Hirokazu YOSHINAGA, Keiichi KOYANAGI

    " 4th Int’l Conf. on Digital Telecommunications,"  ( Colmar )   2009.7 

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  • Study on Multi-path Transmission Model Based on P2P Overlay Networks for Streaming Data International conference

    Guochao JING, Takeshi TSUCHIYA, Hiroaki SAWANO, Takeshi KUGIMOTO, Katsuhiro SEBAYASHI, Osamu AKASHI, Mitsuru MARUYAMA, Keiichi KOYANAGI

    IEEE 9th Int’l Sym’ on Applications and the Internet  ( Seatle )   2009.7 

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  • ユビキタスサービス環境を対象とした分散検索におけるユーザプライバシ動的導出手法に関する研究

    土屋 健, 吉永 浩和, 小柳 恵一

    電子情報通信学会ネットワークシステム研究会  ( 札幌 )   2009.7 

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  • Scalable and Persistent Multimedia Data Management System using The Distributed Interval Trees International conference

    Hirokazu Yoshinaga, Takeshi Tsuchiya, Keiichi Koyanagi

    Euro IMSA  ( Cambridge )   2009.7 

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  • A study on multi-path streaming media based on P2P overlay networks

    G.JING, T.TSUCHIYA, K.KOYANAGI

    電子情報通信学会ネットワークシステム研究会  ( 沖縄 )   2009.3 

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  • Comparison on Orientation-aware RSS-based Localization Algorithms International conference

    LIHAN, Marc, SAWANO, Hiroaki, TSUCHIYA Takeshi, KOYANAGI Keiichi

    Int’l Workshop on Performance and Analysis of Wireless Networks  ( Taiwan )   2008.9 

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  • Orientation-Aware Indoor Localization Path Loss Prediction Model for Wireless Sensor Networks International conference

    LIHAN, Marc, TSUCHIYA Takeshi, KOYANAGI Keiichi

    Int’l Conf. on Network-Based Information Systems  ( Italy )   2008.8 

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  • Honeycomb:A Novel Approach for Construction of Stable ALM Overlay International conference

    LIU Baiqiang, TSUCHIYA Takeshi, KOYANAGI Keiichi

    "ITNG,"  ( Las vegas )   2008.3 

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  • Distributed Information Retrieval Service for Ubiquitous Services International conference

    TSUCHIYA Takeshi, Mark Lihan, YOSHINAGA Hirokazu, KOYANAGI Keiichi

    "International Conference on Availability, Reliability and Security"  ( Barcelona )   2008.3 

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  • 意味情報インデックスを用いたP2P型分散検索手法の実現

    土屋 健, 吉永 浩和, 小柳 恵一

    FIT(電子情報通信学会・情報処理学会)推進委員会  ( 愛知 )   2007.9 

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  • "Peer-to-peer Collaborative Application-Level Multicast," International conference

    Jianbing Zhu, Takeshi Tsuchiya, Keiichi Koyanagi

    IEEE Joint Conference on E-Commerce Technology2007  ( Tokyo )   2007.8 

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  • Decentralized Information Retrieval Systems Based on Contents Information for Ubiquitous Services International conference

    Takeshi Tsuchiya, Hirokazu Yoshinaga, Keiichi Koyanagi

    21st Int’l Conf’ on Advanced Information Networking and Applications  ( Niagara Falls )   2007.7 

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  • STARCast: Streaming Collaboration Platform using the Overlay Technology International conference

    Takeshi Tsuchiya, Hirokazu Yoshinaga, Keiichi Koyanagi

    Int’l Sym’ on Applications and the Internet  ( Phoenix )   2006.1 

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Awards

  • 2022 Best Paper Award

    2023.10   Journal of Mobile Multimedia   Mobile Crowd-sourced Data Fusion and Urban Traffic Estimation

    Quang Tran Minh, Phat Nguyen Huu, Takeshi TSUCHIYA

  • award of presentations

    2014.11  

  • Best Paper award of International Conference on Digital Telecommunications, 2009

    2009.7  

Research Projects

  • Development of Training-Free Machine Learning Framework via Ensemble of Pre-trained Models

    Grant number:25K15084  2025.4 - 2028.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)  Tokyo International University

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  • 多様な既存モデル,LLMの結合による高度機械学習を提供する情報基盤の研究

    2025.4 - 2026.3

    GMOインターネット財団  研究助成 

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  • 異なるビッグデータの特徴統合による分散機械学習手法の開発

    Grant number:21K11850  2021.4 - 2024.3

    日本学術振興会  科学研究費助成事業 基盤研究(C)  基盤研究(C)  公立諏訪東京理科大学

    土屋 健

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    Grant amount: \4160000 ( Direct Cost: \3200000 、 Indirect Cost: \960000 )

    本年は,分散するノードが管理するデータを集積することなく,機械学習を実現するための分散基盤として必要となる機能を明確化した.具体的には,フォグコンピューティングモデルによる分散するデータ環境において,統計情報の導出と同期するプロトコルを明らかにした.そして,エミュレーションによる分散スケーラビリティに関する評価を行い,100ノード程度の分散までは従来のデータ集積型モデルとデータ分散型モデルでは大きく変化しないことを明らかにしている.しかし,これ以上のデータ分散スケーラビリティは,分散数に比例して低下することを明らかにしている.
    <BR>
    構築された分散データの統計情報を用いて,フォグノードの単位でそれぞれが自然言語処理を行う機械学習の特徴モデルを構築する.各特徴モデルは,管理するデータの特徴を持つモデルであり,これら特徴モデルを結合することで処理タスクに適応した特徴モデルを構築できることを明らかにした.本年は,複数の結合手法を検討し,同一の文書コーパスに対して,結合による性能評価を比較した.特に,結合可能な特徴モデルの候補から,最も類似性の低い特徴モデルから結合した手法が結合による性能向上と,計算負荷を両立しており,現実的な手法であった.本手法では,類似性の高いモデルを中心として特徴モデルを結合した場合,特定の特徴に対して過学習が発生すると分析している.
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    研究実績としては,本年度は前述の機能をソフトウェアとして実装し,これを利用した評価を行った.これら結果の一部を学術論文1件,査読付国際プロシーディングス1件,国内研究会1件として発表した.関連する研究発表がその他2件としている.本年度はコロナ関連の影響により,計画で想定していた国際会議での研究発表よりも少なく,研究誌のものは順調に進捗しているが対外発表に課題がある.

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  • スマートスピーカー向けの共通通情報基盤システムの構築の研究

    2020.6 - 2021.3

    企業からの委託研究 

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  • 分散ノードの協調による機械学習モデル構築を実現する情報基盤に関する研究

    2020.4 - 2021.3

    GMOインターネット財団 

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  • ロボット、スピーカを用いた対人間とのコミュニケーションシステムの構築

    2019.5 - 2020.3

    企業からの委託研究 

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  • IoTシステムのAI化に関する研究開発

    2018.4 - 2020.3

    企業からの委託研究 

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  • Research onDistributed Management Method of Motion Picture with Anonymity

    Grant number:17K01149  2017.4 - 2020.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)  Waseda University

    Koyanagi Keiichi

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    Grant amount: \4420000 ( Direct Cost: \3400000 、 Indirect Cost: \1020000 )

    In the present study, we studied a feature extraction method for subdividing human movement patterns, and proposed an anonymized distributed information management system that extends the fog computing model. In this method, we focused on the notion of phonemes, which is more detailed than sign language word movements. In this study, we developed a recognition method based on the three elements of the handprint, position, and motion. In anonymized distributed information management, each user's access privileges and the characteristics contained in the information are quantified. It can controll access and building a training model with a small number of distributed data and anonymizing it. We developed a mechanism to provide a combined learning one.

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  • UNIBOを用いた対人対応に関する考察とプログラミング及び評価

    2018.5 - 2019.3

    企業からの委託研究 

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  • A Development of Preference Information Presentation System with Integration between Human Image and Big Data Analysis

    Grant number:26330118  2014.4 - 2017.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)  Waseda University

    Koyanagi Keiichi, YOSHINAGA Hirokazu

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    Grant amount: \4680000 ( Direct Cost: \3600000 、 Indirect Cost: \1080000 )

    This research is aim to discuss gathering and inferring manner of user preference through digital signage by the integration of human image and big data analysis. Firstly, we discuss presentation manner of advertisement that affects users’ interest in digital signage, and propose presentation system chasing walkers. Secondly, discussing the derivation manner of users’ preference information by categorizing keywords abstracted from their post on SNS. And, clarify management manner of users’ preference information by distributed database which scaling on demands adaptively. Proposal manner enables to map data on current DB to virtualized spaces and operated them by SQL language from applications.

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  • 地域観光振興と防災向けデータマイニングを活用した地域情報プラットフォームとエリアワンセグ配信システムの研究開発

    2012.7 - 2014.3

    総務省  地域振興ICT  SCOPE

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  • Research on the Distributed Storage Technology Composed by the Cloud Computing Technologies

    Grant number:21800063  2009 - 2010

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Research Activity start-up  Grant-in-Aid for Research Activity start-up 

    TSUCHIYA Takeshi

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    Grant amount: \2639000 ( Direct Cost: \2030000 、 Indirect Cost: \609000 )

    In this research proposes and carries out distributed storage service composed by the basis of cloud computing. Firstly, to overcome distributed environment, the object management manner, which enables to scale up on the demand of services. It is named Distributed Inverse Tree, and used in this proposal storage service as basis, and clarify the possibility, availability and issues by the experiments. Finally, the implemented software are evaluated the potential as real services, and discuss as the basis of cloud computing technology.

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    Grant type:Competitive

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Committee Memberships

  • 2019.11 - Now

    UBICOMM   TPC member  

  • 2018.9 - Now

    FDSE   TPC member  

  • 2024.7 - 2025.7

    AMLDS   Local Organizing Committee  

  • 2021.4 - 2023.12

    Indonesian Journal of Electrical Engineering and Computer Science   Reviewer  

  • 2023.4 - 2023.10

    ICIT   TPC member  

  • 2020.4 - 2023.3

    ACCC   TPC member  

  • 2019.1 - 2023.1

    ICICA   TPC member  

  • 2021.4 - 2022.3

    International Journal of Electrical and Computer Engineering   Revewer  

  • 2021.6    

    3ICT2021   reviewer  

  • 2020.7 - 2020.12

    ADICS-ESIT   TPC member  

  • 2020.3 - 2020.12

    Int’ Journal of Computing and Digital Systems   Reviewer  

  • 2019.5 - 2020.3

    Reviewer  

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Academic Activities

  • Editor of the IAES International Journal of Robotics and Automation

    Role(s): Peer review

    2019 -  

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  • Editor of International Journal of Mechanical Engineering Theory and Applications

    Role(s): Review, evaluation, Peer review

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    Type:Peer review 

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  • Editor of Int’ Journal of Computing and Digital Systems

    Role(s): Planning, management, etc., Peer review

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  • Technical Program Committee member ACCC 2020

    Role(s): Peer review

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  • Program Committee member FDSE 2020

    Role(s): Peer review

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  • PC member Ubicomp2020

    Role(s): Peer review

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  • Steering Committee ICICA 2020

    Role(s): Planning, management, etc., Peer review

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  • Reviewer ICACT 2020

    Role(s): Peer review

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    Type:Peer review 

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  • Program Committee member FDSE2019

    Role(s): Peer review

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  • ProgramComittie member ICICA 2019

    Role(s): Planning, management, etc., Review, evaluation

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Social Activities

  • リカレント教育講座 IoT

    Role(s): Lecturer

    公立諏訪東京理科大学  2020.4 - 2022.3

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    Type:Lecture

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  • データサイエンスを活用したものづくり

    Role(s): Lecturer

    長野県テクノ財団  2021.12    

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    Type:Lecture

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  • IoT 人工知能が目指す先には何があるのか?

    Role(s): Lecturer

    テクノ財団  産学官交流連携会 in 松本  2019.10 -  

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    Type:Lecture

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  • IoT基礎講座

    Role(s): Lecturer

    諏訪圏ものづくり推進機構  2019.9 -  

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    Type:Seminar, workshop

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  • IoTの現状と今後への期待

    Role(s): Lecturer

    茅野 IoT・AI 研究会第五回研究会  2018.12    

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    Type:Seminar, workshop

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  • 中小企業における少量データから擬似ビッグデータ生成手法の検討

    Role(s): Lecturer

    スワコンバレーサミット  2018.9    

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    Type:Lecture

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  • IoTにおけるクラウドサービスの活用

    Role(s): Lecturer

    長野県工業技術総合センター講習会  2017.2    

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    Type:Seminar, workshop

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  • IoTものづくり

    Role(s): Lecturer

    産学コーディネータ研修会  2016.11    

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    Type:Lecture

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  • IoT時代は怖くない!?〜今,考えてみよう.製造業はどう変わるのか〜

    Role(s): Lecturer

    茅野商工会議所IoT講習会  2016.6    

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    Type:Seminar, workshop

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  • ものづくりねっと茅野改善委員会委員

    Role(s): Organizing member

    茅野市  2011.7 - 2014.3

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  • ICTを利用した広告戦略講座担当

    Role(s): Lecturer

    新事業展開地域人材育成支援事業  2013.2    

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    Type:Seminar, workshop

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  • ICT支援員

    Role(s): Organizing member

    高等教育コンソーシアム信州 

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    Type:Seminar, workshop

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Media Coverage

  • 花火大会で配信実験 地域ワンセグ 迷子や列車情報 Newspaper, magazine

    日経新聞  2013.8

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    Author:Other 

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  • ワンセグどんな情報必要? 湖上花火大会で視聴者調査へ Newspaper, magazine

    信濃毎日新聞  31面  2013.8

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  • ワンセグ機能活用システム研究 諏訪湖花火で配信実験 Newspaper, magazine

    長野日報  1面  2013.8

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    Author:Other 

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