Rchr
J-GLOBAL ID：200901014166777673
Update date: Apr. 26, 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.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 (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
- 2014 - 2017 Infrastructure for real-time information extraction from large-scale graph streams
- 2011 - 2015 Efficient Processing of Multi-Paradaim Operations on Tree-Structured Data
- 2006 - 2010 Contents Fusion and Seamless Search for Information Explosion
- 2006 - 2008 AND-ORグラフを用いるデータモデルとその操作系,制約記述系に関する研究
- 2003 - 2005 記憶容量が乏しい組み込み計算環境上でのXML検索処理手法の研究
- 2003 - 2005 A Framework for Integrating Programming Languages, Repository and Development Environment
- 1998 - 1999 データベースにおけるセキュリティ検査のためのプログラム解析技術
- 1998 - 1999 BODY ACTION IN CYBERSPACE -BODY AS AN INTERFACE, AND CYBERSPACE FOR CREATIVE ACTIVITY-
- 1996 - 1998 Research on Distributed and Evolutional Database Systems
- 1997 - 1997 空間データベースにおけるアクセス管理機構およびビユ-機構
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Papers (85)：
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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. 2024. 89-94
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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. 2024. 122-136
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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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Yudai Kato, Marie Katsurai, Keishi Tajima. Worker Qualifications for Image-Aesthetic-Assessment Tasks in Crowdsourcing. AAAI Conference on Human Computation and Crowdsourcing (HCOMP). 2022
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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
ｍore...
MISC (33)：
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MITSUMORI Yuichiro, TAKAHASHI Masami, TADAISHI Masateru, MORISHIMA Atsuyuki, TAJIMA Keishi, SUGIMOTO Shigeo, KITAGAWA Hiroyuki. InfoSpace Governance Technologies for the Web and File Spaces. IEICE technical report. Data engineering. 2008. 108. 329. 51-51
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TADAISHI Masateru, MORISHIMA Atsuyuki, TAJIMA Keishi. Proposal of an Efficient Method to Process Child/Descendant Queries for Large Graph Structures. IPSJ SIG Notes. 2008. 2008. 88. 229-234
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TADAISHI Masateru, MORISHIMA Atsuyuki, TAJIMA Keishi. On an Efficient Processing Scheme of Regular Path Expressions for Large Thee Structures. 全国大会講演論文集. 2008. 70. 0. 603-604
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SATO Hiroki, MITSUMORI Yuichiro, MORISHIMA Atsuyuki, MOCHIZUKI Shoji, TAJIMA Keishi. Development of a Browser allowing Various Views for the Management of Community Information Spaces. 全国大会講演論文集. 2008. 70. 0. 255-256
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甲谷優, 湯本高行, 小山聡, 田島敬史, 田中克己. TVニュース映像の話題の網羅性・一般性・受容度の可視化による視聴支援. 日本データベース学会Letters. 2007. 6. 1. 61-64
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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
- 2000/08 - 2001/08 University of Pennsylvania Department of Computer and Information Science Visiting Assistant Professor
- 1996/04 - 2001/08 Kobe University Department of Computer Science and Systems Engineering, Faculty of Engineering Assistant 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
- 2012 - 2015 The Institute of Electronics, Information and Communication Engineers The IEICE Transactions on Information and Systems (Japanese Edition), Special Issue Editorial Member
- 2014 - 2014 IPSJ SIGDB, DBSJ, IEICE DE WebDB Forum 2014 Vice-General Chair
- 2013 - 2013 IPSJ SIGDB, DBSJ, IEICE DE WebDB Forum 2013 Vice-General Chair
- 2012/07 - The Database Society of Japan DBSJ Journal, Editorial Member
- 2012 - 2012 IPSJ SIGDB, DBSJ, IEICE DE WebDB Forum 2012 Program Chair
- 2004/04 - 2008/03 Information Processing Soceity of Japan SIGDBS Committee member
- 2003/04 - 2008/03 Information Processing Society of Japan Transaction on Database: Editorial Member
- 2008 - 2008 The Institute of Electronics, Information and Communication Engineers (IEICE) Data Engineering Workshop (DEWS) Program Chair
- 2005/04 - 2007/03 Database Society of Japan Research Promotion Committee member
- 2007 - 2007 International Conference on Informatics Research for Development of Knowledge Society Infrastructure Publication Chair
- 1999/05 - 2005/05 Institute of Electronics, Information, and Communication Engineers SIGDE Committee member
- 2005 - 2005 Korea-Japan Database Workshop Program Co-Chair
- 2001 - 2001 The Institute of Electronics, Information and Communication Engineers (IEICE) Database Workshop Local Arrangement
- 1996/04 - 2000/03 Information Processing Society of Japan SIGDBS Committee member
- 1996/04 - 2000/03 Japan Society for Software Science and Technology Kansai Planning Committee
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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
