Rchr
J-GLOBAL ID:200901014166777673   Update date: Aug. 28, 2024

TAJIMA Keishi

タジマ ケイシ | TAJIMA Keishi
Affiliation and department:
Job title: Professor
Homepage URL  (2): http://www.dl.soc.i.kyoto-u.ac.jp/~tajima/index-jp.htmlhttp://www.i.kyoto-u.ac.jp/~tajima/
Research field  (3): Web and service informatics ,  Human interfaces and interactions ,  Database science
Research keywords  (6): Web information systems ,  social network analysis ,  crowdsourcing ,  information retrieval ,  user interface for information access ,  database systems
Research theme for competitive and other funds  (15):
  • 2023 - 2026 Methods for Bias-Free Information Gathering from Web and Crowds
  • 2021 - 2024 時系列ビッグデータストリームの複合モデリングに関する研究
  • 2018 - 2021 Development of Methods for Social Information Analysis and Behavior Prediction Based on Web Information
  • 2016 - 2019 Realtime Data Mining for Online Activities
  • 2014 - 2017 User Interface for Efficient Browsing of Message Streams
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Papers (87):
  • Eisaku Yoshikawa, Keishi Tajima. Content-Based Exclusion Queries in Keyword-Based Image Retrieval. Proceedings of the 14th ACM International Conference on Multimedia Retrieval (ICMR). 2024. 1145-1149
  • Hirotaka Nagashima, Keishi Tajima. Automatic Construction of Expiration Time Expression Dataset from Retweets. Proceedings of the Web Conference (WWW) (Companion Volume). 2024. 545-548
  • Tetsuya Sasaoka, Yoko Yamakata, Keishi Tajima. Search Result Presentation for Non-Native Language Documents. Companion Proceedings of 29th Annual ACM Conference on Intelligent User Interfaces (IUI). 2024. 89-94
  • Satoshi Horikawa, Chiyonosuke Nemoto, Keishi Tajima, Masaki Matsubara, Atsuyuki Morishima. An Adaptive Feature Selection Method for Learning-to-Enumerate Problem. Proceedings of 46th European Conference on Information Retrieval (ECIR). 2024. 122-136
  • Mamoru Yamakawa, Keishi Tajima. A Centrality for Social Media Users Focusing on Information-Gathering Ability. Proceedings of 34th ACM Conference on Hypertext and Social Media. 2023. 32:1-32:9
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MISC (33):
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Patents (1):
  • Data Management Program and Data Management System
Education (5):
  • 1994 - 1996 Kyoto University Research Institute for Mathematical Sciences Research Student
  • 1993 - 1996 University of Tokyo Graduate School of Science Doctor Course, Department of Information Science
  • 1991 - 1993 University of Tokyo Graduate School of Science Master Course, Department of Information Science
  • 1989 - 1991 University of Tokyo Faculty of Science Department of Information Science
  • 1987 - 1989 University of Tokyo College of Arts and Sciences, S-1
Professional career (1):
  • D.S. (The University of Tokyo)
Work history (7):
  • 2013/04 - 現在 Kyoto University Institute for Liberal Arts and Sciences / Graduate School of Informatics (secondary) Professor
  • 2007/04 - 2013/03 Kyoto University Graduate School of Informatics Associate Professor
  • 2005/05 - 2007/03 Kyoto University Graduate School of Informatics Associate Professor
  • 2005/05 - 2006/03 Japan Advanced Institute of Science and Technology School of Information Science Visiting Associate Professor
  • 2001/09 - 2005/04 Japan Advanced Institute of Science and Technology School of Information Science Associate Professor
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Committee career (20):
  • 2019/04 - 2023/03 Information Processing Society of Japan IPSJ Transaction on Database (TOD) Editorial Member
  • 2016/04 - 2020/03 Information Processing Society of Japan SIGDBS Committee member
  • 2013/04 - 2016/03 Information Processing Society of Japan SIGDBS Secretary
  • 2016 - 2016 IPSJ SIGDB, DBSJ, IEICE DE WebDB Forum 2016 Program Chair
  • 2012 - 2015 The Institute of Electronics, Information and Communication Engineers -IEICE Transactions on Information and Systems, Special Issue Editorial Member
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Association Membership(s) (4):
The Database Society of Japan ,  Association for Computing Machinery ,  Information Processing Society of Japan ,  Japan Society for Software Science and Technology
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