Rchr
J-GLOBAL ID：200901014166777673   Update date: Jan. 31, 2024

TAJIMA Keishi

タジマ ケイシ | TAJIMA Keishi
Affiliation and department：
Kyoto University Graduate School of Informatics, Department of Social Informatics

About Kyoto University Graduate School of Informatics, Department of Social Informatics


Job title： Professor
Homepage URL  (2)： http://www.dl.soc.i.kyoto-u.ac.jp/~tajima/index-jp.html ,  http://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  (14)：
  • 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
  • 2014 - 2017 Infrastructure for real-time information extraction from large-scale graph streams
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Papers (82)：
  • Yudai Kato, Marie Katsurai, Keishi Tajima. Worker Qualifications for Image-Aesthetic-Assessment Tasks in Crowdsourcing. AAAI Conference on Human Computation and Crowdsourcing (HCOMP). 2022
  • Shuhei Kobayashi, Keishi Tajima. Real-World Popularity Estimation from Community Structure of Followers on SNS. 2022 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT). 2022. 328-334
  • Ruide Li, Yoko Yamakata, Keishi Tajima. Active Learning Strategies Based on Text Informativeness. 2022 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT). 2022. 32-39
  • Yixin Zhang, Yoko Yamakata, Keishi Tajima. MIAIS: A Multimedia Recipe Dataset with Ingredient Annotation at Each Instructional Step. Proceedings of the Workshop on Multimedia for Cooking, Eating, and related APPlications (CEA++) (in conj. with ACM Multimedia). 2022. 49-52
  • Ayato Watanabe, Keishi Tajima. Spammer Detection Based on Task Completion Time Variation in Crowdsourcing. 2021 IEEE International Conference on Big Data (Big Data). 2021. 3568-3570
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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
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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