OYAMA, Keizo: Researcher Information

NameOYAMA, Keizo
Affiliation
National Institute of Informatics
Professor Emeritus
Project Professor & Director, Center for Dataset Sharing and Collaborative Research
SOKENDAI (The Graduate University for Advanced Studies)
Professor Emeritus
National Institute of Japanese Literature
Project Professor
Director, Center for Data-Driven Research on Premodern Japanese Texts
URLhttps://research.nii.ac.jp/~oyama/
https://rns.nii.ac.jp/nr/1000090177022
https://researchmap.jp/oyama
e-mailoyama [at] nii.ac.jp
Research fieldsMedia informatics and data base
Information System / Information Retrieval / Web Information Processing
OYAMA, Keizo

Current research

  • Current research

    Research on advanced web information access technologies including web information retrieval, web page classification and web user analysis. Research and development of scholarly information service systems, e.g., electronic journals, scholarly article navigator.

Education

  • 1985.03.31 : Completed, Doctral Program, Department of Electrical Engineering, School of Engineering, The University of Tokyo
  • 1982.03.31 : Completed, Master Program, Department of Electrical Engineering, School of Engineering, The University of Tokyo
  • 1980.03.31 : Graduated, Department of Electronics Engineering, Faculty of Engineering, The University of Tokyo

Academic degree

  • 1985.03.31 : Doctor of Engineering (Electric engineering), The University of Tokyo
  • 1982.03.31 : Master of Engineering (Electric engineering), The University of Tokyo
  • 1980.03.31 : Bachelor of Engineering (Electronic engineering), The University of Tokyo

Internal Position

  • 2023.04.01-present : Project Professor & Director, Center for Dataset Sharing and Collaborative Researcch, National Institute of Informatics
  • 2022.04.01-2023.03.31 : Advisor to the Director General, National Institute of Informatics
  • 2015.04.01-2023.03.31 : Director, Center for Dataset Sharing and Collaborative Researcch, National Institute of Informatics
  • 2006.04.01-2023.03.31 : Professor, Digital Content and Media Sciences Research Division, National Institute of Informatics
  • 2002.04.01-2023.03.31 : Professor, Department of Informatics, School of Multidisciplinary Sciences, SOKENDAI (The Graduate University for Advanced Studies)
  • 2020.04.01-2022.03.31 : Deputy Director General, National Institute of Informatics
  • 2016.04.01-2017.03.31 : Executive Director, Research Organization of Information and Systems
  • 2014.04.01-2016.03.31 : Councilor, Education and Research Council, SOKENDAI (The Graduate University for Advanced Studies)
  • 2014.04.01-2016.03.31 : Chair, Department of Informatics, School of Multidisciplinary Sciences, SOKENDAI (The Graduate University for Advanced Studies)
  • 2006.04.01-2013.03.31 : Director of Research Division, Digital Content and Media Sciences Research Division, National Institute of Informatics
  • 2007.04.01-2012.03.31 : Director, Information Technology Center, National Institute of Informatics
  • 2003.04.01-2006.03.31 : Professor, Human and Social Information Research Division, National Institute of Informatics
  • 2000.04.01-2003.03.31 : Professor, Research Center for Testbeds and Prototyping, National Institute of Informatics
  • 1999.04.01-2000.03.31 : Professor, Office of Preparation for Establishment of a Core Institution for Scientific Research on Information, National Center for Science Information Systems
  • 1998.07.01-1999.03.31 : Professor, Developmental Research Division, National Center for Science Information Systems
  • 1987.04.01-1998.06.30 : Associate Professor, Science Information Research Division, National Center for Science Information Systems
  • 1986.04.01-1987.03.31 : Research Associate, Science Information Research Division, National Center for Science Information Systems
  • 1985.04.01-1986.03.31 : Research Associate, Center for Bibliographic Information, The University of Tokyo

Career

  • 2023.04.01-present : Project Professor and Director of the Center for Data-driven Research on Premodern Japanese Texts, National Institute of Japanese Literature
  • 2022.04.01-2023.03.31 : Visiting Professor and Director of the Center for Data-driven Research on Premodern Japanese Texts, National Institute of Japanese Literature
  • 2002.04.01-2003.03.31 : Part-time Lecturer, University of Library and Information Science
  • 2001.04.01-2003.03.31 : Part-time Lecturer, Keio University
  • 2000.04.01-2002.03.31 : Professor, University of Library and Information Science
  • 1992.04.01-1995.03.31 : Senior Specialist for Scientific Research, Ministry of Education, Science and Culture
  • 1990.07.01-1991.04.30 : International Fellow, SRI International
  • 1990.07.01-1991.04.30 : Visiting Associate Professor, Stanford University

Society and Committee

  • Society

    • The Database Society of Japan (2002.05.01-present)
    • The Information Processing Society of Japan (IPSJ) (1982.04.01-present)
    • The Institute of Electronics, Information and Communication Engineers of Japan (IEICE) (1981.04.01-present)
    • Japan Society for Information and Media Studies (2000.04.01-2023.03.31)
    • International Conference on Dublin Core and Metadata Applications 2001: Organizing Committee Member (2001.01.01-2001.12.31)

  • Committee

    • Member, Committee on International Nuclear Information System, Japan Atomic Energy Agency (2006.03-2012.03)
    • Member, Committee on Standards for Information of Science and Technology, Japan Science and Technology Corporation (2003.11-2012.03)
    • Technical member, Subdivision on Science, Council for Science and Technology, Ministry of Education, Culture, Sports, Science and Technology (2005.03.01-2006.01.31)
    • Technical member, Subdivision on Science, Council for Science and Technology, Ministry of Education, Culture, Sports, Science and Technology (2004.03.17-2005.01.31)
    • Member, Proposing Committee on Standards for Information of Science and Technology, Science and Technology Corporation (1996.04-2003.09)
    • Member, Executive Board on Standards for Information of Science and Technology, Science and Technology Agency (current Ministry of Education, Culture, Sports, Science and Technology) (1992.04-2003.09)
    • Member, Committee for Research and Development on Preparation of National Center Functions for Educational Information, Ministry of Education, Culture, Sports, Science and Technology (2000.05-2001.03)
    • Member, Investigation Committee on Preparation of ''Manabi-Net System'', Ministry of Education, Science and Culture (1997.09-2000.03)
    • Member, Committee for Research and Development of Learning Systems utilizing Multi-Media, Ministry of Education, Science and Culture (1998.12-1999.03)
    • Member, Development Council of Internet-based Education for Vocational Schools (1996.07-1999.03)
    • Member, Committee on Promotion of Research and Development Project for the Next Generation Digital Library Systems, Information-technology Promotion Agency (1996.03-1999.03)
    • Technical Member, Committee on Grant in Aid for Scientific Studies, Science Council, Ministry of Education, Science and Culture (1998.03-1999.01)
    • Member, Informal Gathering for Promoting Utilization of the Internet in Education Area, Ministry of Education, Science and Culture, and Ministry of Post and Telecommunication (1997.12-1998.05)
    • Member, Working Group on Information Infrastructure Preparation, Subcommittee on Facility and Equipment, Committee on Promotion of New University Plan in Kita-Kyushu City, Kita-Kyushu City (1997.07-1998.03)
    • Member, Promotion Council for Digital Library, National Diet Library (1997.06-1998.03)
    • Member, Investigation Committee on Digital Library Systems, Information-technology Promotion Agency (1994.04-1998.03)
    • Member, Investigation Committee on Functions of Lifelong Study Centers, Ministry of Education, Science and Culture (1996.01-1997.03)
    • Member, Study Committee on National Educational Facilities for Advanced Information Utilization, Ministry of Education, Science and Culture (1995.03-1996.03)

Paper

Peer reviewed

  • Wei Duan, Yi Yu, Keizo Oyama , "Semantic dependency network for lyrics generation from melody", Neural Computing and Applications, Vol.36, p.4059-4069 (2023.12.09). (fulltext:https://doi.org/10.1007/s00521-023-09282-6) (URL:https://link.springer.com/journal/521)
  • Wei Duan, Yi Yu, Xulong Zhang, Suhua Tang, Wei Li, Keizo Oyama, "Melody Generation from Lyrics with Local Interpretability", ACM Transactions on Multimedia Computing, Communications, and Applications, Vol.19, No.3, p.124:1-124:21 (2023.02.27). (fulltext:https://doi.org/https://doi.org/10.1145/3572031)
  • Ryosuke Yamanishi, Hoshu Takemoto, Yoko Nishihara, Mitsuo Yoshida, Tomoko Ohsuga, Keizo Oyama, "Applying Existing Datasets as a Pseudo Corpus for Sentiment Representation on Social Media", Procedia Computer Science, Vol.207, p.335-342 (2022.10.19). (fulltext:https://doi.org/10.1016/j.procs.2022.09.067)
  • Donghuo Zeng, Yi Yu, Keizo Oyama, "MusicTM-Dataset for Joint Representation Learning Among Sheet Music, Lyrics, and Musical Audio", Proceedings of the 8th Conference on Sound and Music Technology (Lecture Notes in Electrical Engineering book series (LNEE), volume 761), Electronic ISBN:978-981-16-1649-5, p.78-89 (2021.04.25). (fulltext:https://doi.org/10.1007/978-981-16-1649-5_7)
  • OHSUGA Tomoko, OYAMA Keizo, "Sharing Datasets for Informatics Research through Informatics Research Data Repository (IDR)", IPSJ Transactions on Digital Practice (DP), ISSN:2435-6484, Vol.2, No.2, p.47-56 (2021.04.15). (URL:http://id.nii.ac.jp/1001/00210540/)
  • Donghuo Zeng; Yi Yu; Keizo Oyama, "Unsupervised Generative Adversarial Alignment Representation for Sheet music, Audio and Lyrics", 2020 IEEE Sixth International Conference on Multimedia Big Data (BigMM), p.162-165 (2020.09.24). (fulltext:https://doi.org/10.1109/BigMM50055.2020.00031) (URL:https://www.computer.org/csdl/proceedings/bigmm/2020/1o56xuliEpi)
  • Donghuo Zeng, Yi Yu, Keizo Oyama, "Deep Triplet Neural Networks with Cluster-CCA for Audio-Visual Cross-Modal Retrieval", ACM Transactions on Multimedia Computing, Communications, and Applications, Vol.16, No.3, p.1-23 (2020.09). (fulltext:https://doi.org/10.1145/3387164) (URL:https://dl.acm.org/journal/tomm)
  • Donghuo Zeng, Yi Yu and Keizo Oyama , "Audio-Visual embedding for cross-modal music video retrieval through Supervised Deep CCA", in Proc. 20th IEEE International Symposium on Multimedia (ISM 2018), p.143-150 (2018.12.10). (oral, full paper) (fulltext:https://doi.org/10.1109/ISM.2018.00-21) (URL:http://ism.asia.edu.tw/2018/)
  • Yi Yu, Samuel Beuret, Donghuo Zeng and Keizo Oyama, "Deep Learning of Human Perception in Audio Event Classification", in Proc. 20th IEEE International Symposium on Multimedia (ISM 2018), p.188-189 (2018.12.10). (poster) (fulltext:https://doi.org/10.1109/ISM.2018.00-11) (URL:http://ism.asia.edu.tw/2018/) (best poster)
  • Hao Han (Kanagawa University), Junxia Guo (Beijing University of Chemical Technology), Takashi Nakayama (Kanagawa University) and Keizo Oyama (National Institute of Informatics & SOKENDAI) , "Towards Serving "Delicious" Information within Its Freshness Date", Proceedings of The 24th International World Wide Web Conference (WWW2015), Florence, Italy (May 2015), Vol.Companion, p.41-42 (2015.05.20). (poster) (URL:http://www.www2015.it/documents/proceedings/companion/p41.pdf)
  • Junxia Guo, Hao Han, Cheng Gao, Takashi Nakayama, Kei zo Oyama, "Prediction of Query Satisfaction Based on CQA - Oriented Browsing Behaviors", Information Science and Applications, Lecture Notes in Electrical Engineering, Vol.339, p.1005-1012 (2015.02). (fulltext:https://doi.org/10.1007/978-3-662-46578-3_120) (URL:http://link.springer.com/book/10.1007/978-3-662-46578-3)
  • Hao HAN, Yinxing XUE, Keizo OYAMA, Yang LIU, "Practice and Evaluation of Pagelet-Based Client-Side Rendering Mechanism", IEICE TRANSACTIONS on Information and Systems, Vol.E97-D, No.8, p.2067-2083 (2014.08.01). (fulltext:https://doi.org/10.1587/transinf.E97.D.2067) (URL:http://search.ieice.org/bin/index.php?category=D&lang=E&curr=1)
  • Hao Han ; Yinxing Xue ; Oyama, Keizo, "Mashup technology: Beyond open programming interfaces", Computer, Vol.46, No.2, p.96-99 (2013.12.19). (fulltext:https://doi.org/10.1109/MC.2013.429) (URL:http://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true&arnumber=6689278)
  • Hao Han, Hidekazu Nakawatase, and Keizo Oyama, "Context Oriented Analysis of Interest Reflection of Tweeted Webpages based on Browsing Behavior", Proceedings of 15th International Conference on Information Integration and Web-based Applications & Services (iiWAS2013), p.34-43 (2013.12.02). (fulltext:https://doi.org/10.1145/2539150.2539181) (URL:http://www.iiwas.org/conferences/iiwas2013/)
  • Hao Han, Peng Gao, Yinxing Xue, Chuanqi Tao, and Keizo Oyama, "Analysis and Design: Towards Large-Scale Reuse and Integration of Web User Interface Components", in Ozyer, T.; Kianmehr, K.; Tan, M.; Zeng, J. (Eds.): Information Reuse and Integration In Academia And Industry, Springer, :978-3-7091-1537-4, p.133-162 (2013.11.21). (fulltext:https://doi.org/10.1007/978-3-7091-1538-1_7) (URL:http://www.springer.com/computer/information+systems+and+applications/book/978-3-7091-1537-4)
  • Etsuro FUJITA, Keizo OYAMA, "Efficient Top-k Document Retrieval for Long Queries using Term-Document Binary Matrix : Pursuit of Enhanced Informational Search on the Web", IEICE Transactions on Information Systems, Vol.E96-D, No.5, p.1016-1028 (2013.05). (URL:http://search.ieice.org/bin/summary.php?id=e96-d_5_1016&category=D&year=2013&lang=E&abst=)
  • Hao Han, Hidekazu Nakawatase, and Keizo Oyama, "An Exploratory Analysis of Browsing Behavior of Web News on Twitter", Proceedings of 2012 ASE/IEEE International Conference on Social Informatics (ICSI 2012), p.86-95 (2012.12.14). (fulltext:https://doi.org/10.1109/SocialInformatics.2012.41) (URL:http://www.asesite.org/conferences/socialinformatics/2012/)
  • Hao Han, Yinxing Xue, and Keizo Oyama, "Client-Side Rendering Mechanism: A Double-Edged Sword for Browser-Based Web Applications", Proceedings of 24th International Conference on Software Engineering and Knowledge Engineering (SEKE 2012), p.124-130 (2012.07.01). (URL:http://www.ksi.edu/seke/seke12.html)
  • Manabu Okumura, Tetsuya Motegi, Tetsuro Kobayashi, Keizo Oyama, Takahisa Suzuki, "Can We Predict Political Poll Results by Using Blog Entries?", Proceedings of 2012 45th Hawaii International Conference on System Sciences (HICSS-45), p.1785-1789 (2012.01.04). (minitrack) (fulltext:https://doi.org/10.1109/HICSS.2012.145) (URL:http://www.computer.org/csdl/proceedings/hicss/2012/4525/00/4525b785-abs.html)
  • Etsuro Fujita, Keizo Oyama, "Efficient Top-k Document Retrieval using a Term-Document Binary Matrix", Proceedings of the Seventh Asia Information Retrieval Societies Conference (AIRS2011), p.293-302 (2011.12.16). (poster) (fulltext:https://doi.org/10.1007/978-3-642-25631-8_27) (URL:http://www.springerlink.com/content/ytu0463246j4v002/)
  • Hao Han, Peng Gao, Keizo Oyama, "Retrieval, Description and Security: Towards the Large-Scale UI Component-Based Reuse and Integration", Proceedings of 2011 IEEE International Conference on Information Reuse and Integration (IRI2011), p.193-199 (2011.08.03). (fulltext:https://doi.org/10.1109/IRI.2011.6009545) (URL:http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6009545)
  • Yuxin Wang, Keizo Oyama, "Web Page Classification Based on Surrounding Page Model Representing Connection Type and Directory Hierarchy", IPSJ Trans. Database (also in IPSJ Online Transactons), Vol.2, No.2, p.29-43 (2009.06). (URL:http://fw8.bookpark.ne.jp/cm/ipsj/search.asp?flag=6&keyword=IPSJ-TOD0202004&mode=)
  • Yuxin WANG, Keizo OYAMA, "Building web page collections efficiently exploiting local surrounding pages", Progress in Informatics (National Institute of Informatics), :1349-8614, No.6, p.27-39 (2009.03). (fulltext:https://doi.org/10.2201/NiiPi.2009.6.4) (URL:http://www.nii.ac.jp/pi/n6/6_27.html)
  • Yuxin Wang, Keizo Oyama, "Web Page Classification exploiting Surrounding Pages with Noisy Page Filtering", Proceedings of the 2008 International Conference on Data Mining (DMIN2008), Las Vegas, Nevada, USA, July 14-17, 2008, p.626-632 (2008.07.14).
  • Akiko AIZAWA, Masao TAKAKU, Keizo OYAMA, "Design and Implementation of a Linkage System with Large-Scale Databases", DBSJ Letters, Vol.6, No.4, p.17-20 (2008.03). (URL:http://www.dbsj.org/journal/vol6/no4/papers/aizawa.pdf)
  • Yuxin Wang, Keizo Oyama, "Framework for Building a High-Quality Web Page Collection Considering Page Group Structure", Proc. Joint 9th Asia-Pacific Web Conference (APWeb 2007) and 8th International Conference on Web-Age Information Management (WAIM 2007), HuangShan, China, June 16-18, 2007, LNCS 4505, p.95-107 (2007.06.16).
  • Yuxin Wang, Keizo Oyama, "Web Page Classification Considering Page Group Structure for Building a High-Quality Homepage Collection (short paper)", Proc. Third International Conference on Web Information Systems and Technologies (WEBIST 2007), Barcelona, Spain, March 3-6, 2007, Vol.WIA, p.170-175 (2007.03.03).
  • Yuxin Wang, Keizo Oyama, "Web Page Classification Exploiting Contents of Surrounding Pages for Building a High-quality Homepage Collection (short paper)", Proc. 9th International Conference on Asian Digital Libraries (ICADL2006), Kyoto, Japan, November 27-30, 2006, LNCS, Vol. 4312/2006, p.515-518 (2006.11.27).
  • Masao Takaku, Keizo Oyama, and Akiko Aizawa, "An Analysis on Topic Features and Difficulties based on Web Navigational Retrieval Experiments", Proc. Asia Information Retrieval Symposium (AIRS) 2006, Singapore, Singapore, October 16-18, 2006, LNCS, Vol. 4182 /2006, p.625-632 (2006.10.16). (poster)
  • Yuxin Wang, Keizo Oyama, "Combining Page Group Structure and Content for Roughly Filtering Researchers' Homepages with High Recall", IPSJ Trans. Database, Vol.47, No.SIG 8, p.11-23 (2006.06).
  • Yuxin Wang, Keizo Oyama, "A Method for Creating a High Quality Collection of Researchers' Homepages from the Web", Proc. 8th International Conference on Asian Digital Libraries, ICADL 2005, Bangkok, Thailand, December 12-15, 2005, LNCS, Vol. 3815/2005, p.473-474 (2005.12.12). (poster)
  • Yuxin Wang, Keizo Oyama, "Combining Page Group Structure and Content for Roughly Filtering Researchers' Homepages", Proc. Symposium on Database and Web Information Systems (DBWeb2005), Tokyo, November 21-22, 2005, p.189-196 (2005.11.21).
  • Keizo Oyama, Haruko Ishikawa, Koji Eguchi and Akiko Aizawa, "Analysis of Topics and Relevant Documents for Navigational Retrieval on the Web (short paper)", Proc. International Workshop on Challenges in Web Information Retrieval and Integration (WIRI 2005), Tokyo, April 8-9, 2005, p.157-162 (2005.04).
  • Akiko Aizawa and Keizo Oyama, "A Fast Linkage Detection Scheme for Multi-Source Information Integration", Proc. International Workshop on Challenges in Web Information Retrieval and Integration (WIRI 2005), Tokyo, April 8-9, 2005, p.30-39 (2005.04).
  • Keizo Oyama, Haruko Ishikawa, Koji Eguchi and Akiko Aizawa, "The Test Collection for Navigational Retrieval on WWW Data: Design and Characteristics", Progress in Informatics, No.1, p.59-73 (2005.03).
  • Akiko AIZAWA, Keizo OYAMA, Atsuhiro TAKASU and Jun ADACHI, "Techniques and Research Trends in Record Linkage Studies", IEICE Transactions, Vol.J88-D, No.3, p.576-589 (2005.03).
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, and Kazuko Kuriyama, "An Evaluation of the Web Retrieval Task at the Third NTCIR Workshop", ACM SIGIR Forum, Vol.38, No.1, p.39-45 (2004.06).
  • Akiko AIZAWA, Atsuhiro TAKASU, Keizo OYAMA, Jun ADACHI, "Record Linkage of Multi-source Databases: Research Trends", NII Journal, No.8, p.43-51 (2004.03).
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, and Kazuko Kuriyama, "Evaluation Methods for Web Retrieval Tasks Considering Hyperlink Structure", IEICE Transactions on Information and Systems, Vol.E86-D, No.9, p.1804-1813 (2003.09).
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, and Kazuko Kuriyama, "System Evaluation Methods for Web Retrieval Tasks Considering Hyperlink Structure", The 12th International World Wide Web Conference (WWW2003), Budapest, Hungary (May 2003) (2003.05). (poster)
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, and Kazuko Kuriyama, "System Evaluation Methods Suitable for Evaluation Workshops on Web Retrieval", DBSJ Letters, Vol.1, No.2, p.40-43 (2003.03).
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, and Kazuko Kuriyama, "NTCIR-3 WEB: An Evaluation Workshop for Web Retrieval", NII Journal, No.6, p.31-56 (2003.03).
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, and Kazuko Kuriyama, "Evaluation Methods for Web Retrieval Systems Considering Hyperlink Structure and Contents Duplication", "Text Processing for Information Access" Symposium, Suzuka, Japan, p.9-16 (2003.02).
  • Oyama,K., Kageura, K., Kando, N., Kimura, M., Maruyama, K., Yoshioka, M., Takahashi, K., "Development of an information retrieval system suitable for large-scale scholarly databases (translation)", Systems and Comupters in Japan (Wiley), Vol.34, No.6, p.44-56 (2003.01).
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, and Kazuko Kuriyama, "Evaluation Methods for Web Retrieval Tasks", Proceedings of DBWeb2002, Tokyo, Japan (Dec. 2002), p.415-422 (2002.12).
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Kazuko Kuriyama, and Noriko Kando, "The Web Retrieval Task and its Evaluation in the Third NTCIR Workshop", Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2002), Tampere, Finland, p.375-376 (2002.08).
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Kazuko Kuriyama and Noriko Kando, "Evaluation Design of Web Retrieval Task in the Third NTCIR Workshop", The 11th International World Wide Web Conference (WWW2002), Honolulu, Hawaii, USA (May 2002), p.22 (2002.05). (poster)
  • Keizo Oyama, Kyo Kageura, Noriko Kando, Masaru Kimura, Katsumi Maruyama, Masaharu Yoshioka, and KazumichiTakahasi, "Development of an Information Retrieval System suitable for Large-Scale Scholarly Databases", IEICE Transactions, Vol.J84-D, No.6, p.658-670 (2001.01).
  • Atsuhiro Takasu, Norio Katayama, Keizo Oyama, Jun Adachi, Kyo Kageura, "An approximate matching method for bibliographic data in academic article images", IPSJ Transactions on Databases, Vol.42, No.SIG 1, p.148-158 (2001.01).
  • S. Hidaka, H. Kato and K. Oyama, "Querying Structured Documents based on Human Visual Memory", Proceedings of the ISCA 2nd International Conference On Information Reuse And Integration (IRI-2000), Hawaii, USA,(Nov., 2000), p.91-94 (2000.11).
  • Keizo Oyama, Noriko Kando, Shin'ichi Satoh, Hiroyuki Kato, Soichiro Hidaka, "Development of an Online Journal Editing and Publishing System", Research Bulletin of the National Center for Science Information Systems, Vol.12, p.111-120 (2000.03).
  • Vuthichai Ampornaramveth, Akiko Aizawa, Keizo Oyama, Tasanee Methapisit, "Implementation of an Internet-Based Dictionary Development Environment: SAIKAM", Research Bulletin of the National Center for Science Information Systems, Vol.12, p.101-109 (2000.03).
  • Soichiro Hidaka, Hiroyuki Kato, Keizo Oyama, "Querying Structured Documents based on Human Visual Memory", Proceedings of the 1999 International Symposium on Database Applications in NonTraditional Environments(DANTE'99), Kyoto, November 1999, p.226-229 (1999.11).
  • Hiroyuki Kato, Masatoshi Yoshikawa, Keizo Oyama and Shunsuke Uemura, "A Query Optimization for XML Document Views Constructed by Aggregations", Proceedings of the 1999 International Symposium on Database Applications in NonTraditional Environments(DANTE'99), Kyoto, November 1999, p.29-36 (1999.11).
  • Keizo Oyama, Noriko Kando, Shin'ichi Satoh, "Construction of a Distributed Online Journal Editing System", Proceedings of International Symposium on Digital Libraries 1999 (ISDL '99), Sep. 28-29, 1999, Tsukuba, Ibaraki, Japan (1999), p.74-81 (1999.09.28).
  • Keizo Oyama, "A Mechanism to keep Consistency on On-line Update of Information Retrieval Systems", Research Bulletin of the National Center for Science Information Systems, Vol.10, p.29-35 (1998.03).
  • Noriko Kando, Kyo Kageura, Masaharu Yoshioka, Keizo Oyama, "Phrase processing methods for Japanese text retrieval", Proceedings of ACM-SIGIR '98 Workshop on "Information Retrieval : Theroy into Practice” (1998.01).
  • Keizo Oyama, Atsuhiro Takasu, Hiroshi Tsuruoka, "A Configuration of an IR System linked to a Union Catalog On-line Database", Research Bulletin of the National Center for Science Information Systems, Vol.9, p.83-90 (1997.03).
  • Noriko Kando, Teruo Koyama, Keizo Oyama, Kyo Kageura, Masaharu Yoshioka, et al., "NTCIR : NACSIS Test Collection Project", Proceedings of the 20th Annual Colloquium of BCS-IRSG (1997.03).
  • Keizo Oyama, "Layered Data View for Searching, Browsing, and Presenting Scholarly Documents", Proceedings of International Symposium on Research, Development and Practice in Digital libraries 1997 (ISDL '97), p.49-54 (1997.01).
  • Hiroshi Tsuruoka, Keizo Oyama, Eisuke Naito, "Extension of a Full Text Database Retrieval System for Internet Environment --- Access to Text Image Data: the Case of the Bulletin of Kagoshima Univ. Liberal Arts ---", Research Bulletin of the National Center for Science Information Systems, Vol.8, p.95-105 (1996.03).
  • Atsuhiro Takasu, Norio Katayama, Masaki Yamaoka, Osamu Iwaki, Keizo Oyama, Jun Adachi, "Approximate Matching for OCR-processed Bibliographic Data", Proceedings of 13th International Conference on Pattern Recognition (ICPR 96), Vol.III, p.175-179 (1996.01).
  • Keizo Oyama, "Configuration of a Full Text Database Retrieval System for Internet Environment", Research Bulletin of the National Center for Science Information Systems, Vol.7, p.13-27 (1995.01).
  • Kyo Kageura, Keizo Oyama, Akira Miyazawa, Masamitsu Negishi, Shun'ichi Torii, Hiroyuki Kinugawa, "A Full-text Retrieval System Reflecting the Logical Structure of Documents", Research Bulletin of the National Center for Science Information Systems, Vol.3, p.49-58 (1990.01).
  • Keizo Oyama, "Database Construction of the Scientific Terms", Research Bulletin of the National Center for Science Information Systems, Vol.2, p.93-106 (1989.01).
  • Keizo Oyama, "Test and Prototype Systems for a Screen-Oriented Simplified Communication Protocol VTSS", Research Bulletin of the National Center for Science Information Systems, Vol.1, p.91-107 (1987.03).
  • Jun Adachi, Hiromichi Hashizume, Keizo Oyama, "A Virtual Screen Transfer Method on TSS Connection (VTSS)", Research Bulletin of the National Center for Science Information Systems, Vol.1, p.73-89 (1987.03).
  • Keizo Oyama, "Trends of Library Automation at Japanese Universities in relation to National Center for Science Information System", Proceedings of International Conference on Japanese Information, p.39470-39683 (1987.01).
  • K.Oyama, N.Nguyen, T.Saito, H.Inose, "Design and Estimation of a Distributed Data Flow Computer by Means of Simulation", Transactions of Information Processing Society of Japan, Vol.25, No.5, p.823-830 (1984.05).
  • K.Oyama, T.Saito, H.Inose, "Theoretical Analysis of Distributed Data Flow Computer by means of Queuing Model", The Transactions of the Institute of Electronics and Communication Engineers of Japan. D, Vol.J67-D, No.4, p.413-420 (1984.04).
  • K.Oyama, N.Nguyen, P.S.Vinod, T.Saito, H.Inose, "System Design of a Distributed Data Flow Computer and Its Experimental Evaluation", Transactions of Information Processing Society of Japan, Vol.25, No.1, p.101-108 (1984.01).
  • N.Nguyen, K.Asada, K.Oyama, T.Saito, H.Inose, "A Distributed Data Flow Computer System by means of Ring Network", The Transactions of the Institute of Electronics and Communication Engineers of Japan. D, Vol.J65-D, No.12, p.1528-1535 (1982.12).

No peer review

  • Haoting Liang, Donghuo Zeng, Yi Yu and Keizo Oyama, "Personalized Music Recommendation with Triplet Network", DEIM Forum 2019, No.F8-5, p.1-5 (2019.03.06). (URL:http://db-event.jpn.org/deim2019/) (URL:http://db-event.jpn.org/deim2019/post/papers/403.pdf)
  • Hao Han, Hidekazu Nakawatase, Keizo Oyama, "Context Oriented Analysis of Interest Reflection of Tweeted Webpages based on Browsing Behavior", IPSJ SIG Notes, Vol.2013-IFAT-111, No.28, p.1-6 (2013.07.15). (in Japanese)
  • Hao Han and Keizo Oyama, "Analysis of Web News Browsing Behavior on the Micro-Blog", Web Inteligence and Interaction: Technical note of SIG-WI2, IEICE, Vol.WI2-2011, p.45-50 (2011.03).
  • Kazunori YASHIRO, Keizo OYAMA, "Presentation of accessible cultural resources by multiple metadata", IPSJ SIG Technical Report, :9196072, Vol.2008, No.34, p.53-60 (2008.03.28).
  • Yuxin Wang, Keizo Oyama, "Framework for Building a High-Quality Web Page Collection Considering Page Group Structure (Also published in: IPSJ SIG Technical Reports, 2006-FI-85, Vol.2006, No.118, pp.61-74)", Digital Library, No.31, p.22-35 (2006.11.16).
  • Masao Takaku, Keizo Oyama, Akiko Aizawa, Haruko Ishikawa, Kengo Minamide, Shin Kato, Hayato Yamana, and Junya Hayashi, "Building a Terabyte-scale Web Data Collection "NW1000G-04" in the NTCIR-5 WEB Task", NII Technical Report, No.NII-2006-012E (2006.09.06). (URL:http://research.nii.ac.jp/TechReports/06-012E.html)
  • Keizo Oyama, Masao Takaku, Haruko Ishikawa, Akiko Aizawa and Hayato Yamana, "Overview of the NTCIR-5 WEB Navigational Retrieval Subtask 2 (Navi-2)", Proc. the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies, December 6-9, 2005, Tokyo, Japan, p.423-442 (2005.12). (URL:http://research.nii.ac.jp/ntcir/workshop/OnlineProceedings5/data/WEB/NTCIR5-OV-WEB-OyamaK.pdf)
  • H.Gotoda, K.Oyama, J.Adachi, "Enhancing the Electronic Library System through the Integration of Heterogeneous Data Sources", Proc. International Advanced Digital Library Conference in Nagoya (IADLC 2005), 2005, p.109-115 (2005.08).
  • Keizo Oyama, Koji Eguchi, Haruko Ishikawa and Akiko Aizawa, "Overview of the NTCIR-4 WEB Navigational Retrieval Task 1", Working Notes of the Fourth NTCIR Workshop Meeting, June 2-4, 2004, Tokyo, Japan, Vol.Suppl., p.ov-23-ov-40 (2004.06).
  • Koji Eguchi, Keizo Oyama, Akiko Aizawa and Haruko Ishikawa, "Overview of WEB Task at NTCIR-4", Working Notes of the Fourth NTCIR Workshop Meeting, June 2-4, 2004Tokyo, Japan, Vol.Suppl., p.ov-1-ov-2 (2004.06).
  • Koji Eguchi, Keizo Oyama, Akiko Aizawa and Haruko Ishikawa, "Overview of the Informational Retrieval Task at NTCIR-4 WEB", Working Notes of the Fourth NTCIR Workshop Meeting, June 2-4, 2004, Tokyo, Japan, Vol.Suppl., p.ov-3-ov-15 (2004.06).
  • Koji Eguchi, Keizo Oyama, Akiko Aizawa, and Haruko Ishikawa, "Overview of WEB Task at the Fourth NTCIR Workshop", Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies: Information Retrieval, Question Answering and Summarization, Tokyo, Japan (Jun. 2004) (2004.06).
  • Keizo OYAMA, Akiko AIZAWA, Hironobu GOTODA, Sawako KOJIN, Koichi OTSUNA, "Development of Scholarly Article Information Navigator", IPSJ SIG Technical Report, Vol.2004, No.45, 20, p.119-126 (2004.05.13).
  • Akiko AIZAWA, Keizo OYAMA, Atsuhiro TAKASU, Jun ADACHI, "A Fast Method for Duplicated Entries Detection in Bibliographic Databases", IPSJ SIG Technical Reports, Vol.2004, No.45(200, p.111-118 (2004.05.13).
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, and Kazuko Kuriyama, "Overview of the Web Retrieval Task at the Third NTCIR Workshop", Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering, Tokyo, Japan (Mar. 2003) (2003.03).
  • Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, and Kazuko Kuriyama, "Overview of the Web Retrieval Task at the Third NTCIR Workshop", NII Technical Report, No.NII-2003-002E (2003.01).
  • Eguchi,K., Oyama, K., Ishida, E., Kando, K., Kuriyama, K., "Overview of Web retrieal task at the third NTCIR Workshop", Working Notes of the Third NTCIR Workshop Meeting, Part 1: Overview, Tokyo, Japan, October 8-10, 2002, p.77-86 (2002.10.08).
  • Keizo OYAMA, Noriko KANDO, Koji EGUCHI, Kazuko KURIYAMA, "Consideration on Web Information Retrieval Challenge -- A New Task of NTCIR Workshop-3 --", IPSJ SIG Notes (FI), Vol.2001, No.74, 20, p.41-48 (2001.01).
  • Vuthichai Ampornaramveth, Akiko Aizawa, Keizo Oyama, Tasanee Methapisit, "An Internet-Based Collaborative Dictionary Development Project: SAIKAM", Proceedings of the First International Symposium on Advanced Informatics (AdInfo2000), Tokyo, Japan, March 9-10, 2000, p.85-88 (2000.03.09).
  • Shoichiro Hidaka, Hiroyuki Kato, Keizo Oyama, "Querying Structured Documents based on Human Visual Memory", Proceedings of the First International Symposium on Advanced Informatics (AdInfo2000), Tokyo, Japan, March 9-10, 2000, p.127-132 (2000.03.09).
  • Noriko Kando, Kazuko Kuriyama, Toshihiko Nozue, Koji Eguchi, Hiroyuki Kato, Shoichiro Hidaka, Keizo Oyama, "Construction of a Large-scale Test Collection for IR Systems", Proceedings of the First International Symposium on Advanced Informatics (AdInfo2000), Tokyo, Japan, March 9-10, 2000, p.111-118 (2000.03.09).
  • Soichiro Hidaka, Hiroyuki Kato, Shin'ichi Satoh, Noriko Kando, Keizo Oyama, "Online Journal Publication systems", IPSJ SIG Notes (FI), Vol.99, No.102, p.9-14 (1999.11).
  • Keizo Oyama, Noriko Kando, Shin'ichi Satoh, "Development of a Document Processing System for Editing of Online Journals", IPSJ SIG Notes (FI), Vol.99, No.57, 99, p.33-40 (1999.07).
  • Kando, N., Kuriyama, K., Nozue, T., Oyama, K., "NTCIR-1 (NACSIS Test Collection for Information Retrieval system-1): Its policy and practice (in Japanese w/English abstract)", the Special Interest Group Notes of Information Processing Society of Japan, Tokyo, Japan, March 1, 1999, Vol.99, No.20, 99, p.33-40 (1999.03).
  • Vuthichai Ampornaramveth, Akiko Aizawa, Keizo Oyama, "An Internet-Based Dictionary Development Project: SAIKAM", IPSJ SIG Notes (FI), Vol.99, No.102(99, p.15-22 (1999.01).
  • Kando, N., Kageura, K., Yoshioka, M., Oyama, K., "Phrase processing methods for Japanese text retrieval", SIGIR-Forum, Vol.32, No.2, p.23-28 (1998.12).
  • Keizo Oyama, "Consistency of result sets on on-line update of information retrieval systems", IPSJ SIG Notes (FI), Vol.97, No.40, 97, p.1-6 (1997.05).
  • Atsuhiro Takasu, Kimimoto Hayakawa, Norio Katayama, Keizo Oyama, Jun Adachi, "Bibliographic data extraction from document images and bibliographic matching", IPSJ SIG Notes (FI), Vol.97, No.40,97-, p.33-38 (1997.05).
  • Keizo Oyama, Atsuhiro Takasu, Hiroshi Tsuruoka, "Design of an IR System linked to Online DB at NACSIS", IPSJ SIG Notes (FI), Vol.96, No.34, 96, p.17-24 (1996.04).
  • Keizo Oyama, "Digital Libraries and SGML Databases --- An Ideal and the Reality ---", Digital Library, No.5, p.33-43 (1995.11).
  • Noriko Kando, Masaru Kimura, Yoshiyasu Shizuta, Keizo Oyama, Mika Koshizuka, Teruo Koyama, "Enhancement of Search Functions in NACSIS-IR System", IPSJ SIG Notes (FI), Vol.95, No.87, 95, p.57-64 (1995.09).
  • Keizo Oyama, "Configuration of a Full Text Database Retrieval System for Internet Environment", IPSJ SIG Notes (FI), Vol.95, No.45, 95, p.15-22 (1995.05).
  • Shouichirou Hara, Atsuhiro Takasu, Keizo Oyama, Akira Miyazawa, "Experimental Implementation of User Interface for Full-text Database Retrieval based on Document Structure", Proceedings of the 1993 IEICE Fall Conference, No.D-54 (1993.01).
  • Keizo Oyama, Tadao Saito, Hiroshi Inose, "Configuration of a MIMD-type Processor with Reconfigurable Interconnection Network", Paper of Technical Group on Electronic Computers, IECE, Vol.84, No.39, p.1-11 (1984.01).
  • N. Nguyen, K.Oyama, Tadao Saito, Hiroshi Inose, "On the Effective Organization of the Control Unit in a Distributed Data-Flow Computer", Proceedings of the 28th IPSJ Conference, No.4F-11 (1984.01).
  • Keizo Oyama, Tadao Saito, Hiroshi Inose, "A MIMD-type Processor with Reconfigurable Interconnection Network", Proceedings of the 29th IPSJ Conference, No.5B-8 (1984.01).
  • P.S.Vinod, Keizo Oyama, Tadao Saito, Hiroshi Inose, "Evaluation of Actor Assignment Algorithm", 1983 National Conference Record, IECE, No.1529 (1983.01).
  • K.Oyama, P.S.Vinod, N.Nguyen, T.Saito, H.Inose, "Evaluation of Processing Nodes of an Experimental Distributed Data Flow Computer EDAC", 1983 National Conference Record, IECE, No.1528 (1983.01).
  • Keizo Oyama, N. Nguyen, Tadao Saito, Hiroshi Inose, "Consideration on Configuration of a Distributed Data Flow Computer", Proceedings of the 25th IPSJ Conference, No.2F-2 (1982.01).
  • K.Oyama, T.Saito, H.Inose, "Theoretical Analysis of a Distributed Data Flow Computer EDAC with a Queueing Model", 1982 National Conference Record, IECE, No.1414 (1982.01).
  • K.Oyama, N.Nguyen, T.Saito, H.Inose, "Consideration on Network Configuration of a Data Driven Multi-processor System", 1982 National Conference Record, Communication, IECE, No.309 (1982.01).
  • N.Nguyen, K.Oyama, T.Saito, H.Inose, "Control Function of a Distributed Data Flow Computer", 1981 National Conference Record, Information and Systems, IECE, No.510 (1981.01).
  • K.Oyama, N.Nguyen, T.Saito, H.Inose, "Communication Function of a Distributed Data Flow Computer", 1981 National Conference Record, Information and Systems, IECE, No.511 (1981.01).
  • Keizo Oyama, Kunihiro Asada, Hiroshi Inose, "Evaluation of a Distributed Data Flow Computer using Program Models", Paper of Technical Group on Electronic Computers, IECE, Vol.80, No.45, p.37-48 (1980.01).

Commentary

  • Tomoko Ohsuga, Keizo Oyama: "Introduction about NII Informatics Research Data Repository (IDR)", Journal of Natural Language Processing (Japan Science and Technology Agency), Vol.29, No.3, p.986-990 (2022.09.15). (fulltext:https://doi.org/10.5715/jnlp.29.986)(URL:https://www.jstage.jst.go.jp/browse/jnlp)
  • Keizo Oyama, Tomoko Ohsuga: "Sharing dataset for informatics research at NII", Journal of Information Processing and Management (Japan Science and Technology Agency), Vol.59, No.2, p.105-112 (2016.05.01). (fulltext:https://doi.org/10.1241/johokanri.59.105)(URL:https://www.jstage.jst.go.jp/article/johokanri/59/2/59_105/_article/-char/ja/)
  • Keizo Oyama, Tomoko Ohsuga: "Shared Use of Data Sets as Resources for Informatics Research", Journal of the Japanese Society for Artificial Intelligence (The Japanese Society for Artificial Intelligence), Vol.31, No.2, p.254-261 (2016.03).(URL:http://www.ai-gakkai.or.jp/vol31_no2/)
  • TOKIZANE Soichi, IZUI Go, KONDO Yuji, TSURUGAI Kazuki, MIKAMI Osamu, NOZAWA Koichi, HORIUCHI Kazuhiko, OYAMA Keizo, IEIRI Chiaki, KOMIYAMA Tsunetoshi, INADA Takashi, TAKENAKA Yoshiro, KUROMI Hidetoshi, KAMEI Kenji, KUSUNOKI Kenichi, NAKANISHI Hidehiko, HAYASHI Kazuhiro, SATO Hiroshi: "From NLM DTD to JATS : XML for Scholarly Articles in Japanese", Joho Kanri (Journal of Information Processing and Management) (Japan Science and Technology Agency), Vol.54, No.9, p.555-567 (2011.12.01). (fulltext:https://doi.org/10.1241/johokanri.54.555)(URL:http://www.jstage.jst.go.jp/article/johokanri/54/9/54_555/_article/-char/ja)
  • OYAMA, Keizo and TOKIZANE, Soichi: "A guidepost for academic publishing in the changing scholarly information environment : Revision of SIST 07/08 as new standards for making scholarly journals and papers", Joho Kanri (Journal of Information Processing and Management) (Japan Science and Technology Agency), Vol.53, No.10, p.544-553 (2011.01.01). (fulltext:https://doi.org/10.1241/johokanri.53.544)(URL:http://www.jstage.jst.go.jp/article/johokanri/53/10/53_544/_article/-char/ja)
  • Kando, N., Adachi, J.. Kishida, K., Kuriyama, K., Iwayama, M., Fujii, A., Takano, A., Fukumoto, J., Kato, T., Masui, F., Okumura, M., Fukushima, T., Nanba, H., Eguchi, K., Oyama, K.: "Research on Text Processing Based on Evaluation Workshop: The Case of NTCIR Workshop 3", Journal of the Japanese Society for Artificial Interlligence (Japanese Society for Artificial Interlligence), Vol.17, No.3, p.312-319 (2002.05).
  • Masaru Kimura, Masaharu Yoshioka, Noriko Kando, Kyo Kageura, Keizo Oyama: "New Development of NACSIS-IR (New Wave of Information Retrieval)", The Journal of Information Science and Technology Association (Information Science and Technology Association, Japan), Vol.50, No.1, p.30-36 (2000.01).
  • Keizo Oyama, Noriko Kando, Shin'ichi Satoh: "NACSIS Online Journal Project", The Journal of Information Science and Technology Association (INFOSTA) (Information Science and Technology Association, Japan), Vol.49, No.6, p.295-300 (1999.06).
  • Keizo Oyama, Masami Nishizawa, Masamitsu Negishi: "The Current Status and the Future of Electronic Publishing for Scholarly Journals", Journal of Geography (Tokyo Geographical Society), Vol.108, No.6, p.683-691 (1999.01).
  • Keizo Oyama: "The National Center for Science Information Systems and the Internet", Humanities and Information Processing (Bensey Publishing Inc.), No.15, p.3-8 (1997.12).
  • Keizo Oyama: "SGML and Digital Libraries", Journal of Japan Society of Information and Knowledge (Japan Society of Information and Knowledge), Vol.7, No.1, p.1-8 (1997.11).
  • Keizo Oyama: "The Role of the National Center for Science Information Systems in the Internet Era", Humanities and Information Processing (Bensey Publishing Inc.), No.8, p.10-17 (1995.08).
  • OYAMA Keizo: "Study on a Full-Text-Oriented Information Retrieval System", NACSIS Newsletter (National Center for Science Information Systems), No.8, p.3-5 (1993.06).
  • OYAMA Keizo: "Full Text Database", NACSIS Newsletter (National Center for Science Information Systems), No.3 (1990.08).

Presentation

Academic presentation

  • OYAMA Keizo: "Problem-solving in Humanities through Data-Driven Approaches", JADH2023 Plenary and Keynote Session & NIJL International Symposium "Exploring Possibilities for Data-Driven Research in East Asian Studies", Japanese Association for Digital Humanities, National Institute of Japanese Literature, 2023.09.20-2023.09.20. (key note speech)
  • Keizo Oyama: "Approaching to Classical Books with Multimodal Access Techniques", International Research Workshop on "Knowledge and Essay of Edo", National Institute of Japanese Literature and East Asian Civilization Research Centre, Paris Diderot University, Paris Diderot University, 2017.12.07-2017.12.07. (invited talk) (URL:https://www.nijl.ac.jp/pages/cijproject/images/20171207_affiche_Savoirs_essais_Edo.pdf)
  • Keizo Oyama, Tomoko Ohsuga: "Sharing Real Business Purpose Datasets for Academic Research", International Workshop on Sharing, Citation and Publication of Scientific Data across Disciplines, 2017.12.05-2017.12.06. (invited talk) (URL:http://polaris.nipr.ac.jp/~pseis/data.ws-2017/Proceedings.dwt) (Abstract: p.58-59, Presentation slide available from: http://polaris.nipr.ac.jp/~pseis/data.ws-2017/Presentation-files/_Oyama.pdf)
  • Hao Han, Yinxing Xue, and Keizo Oyama: "Beyond Open Programming Interfaces: Optimism and Pessimism", 2012.08.28-2012.08.30.
  • Akiko Aizawa, Masao Takaku, Keizo Oyama, and Jun Adachi: "Information Linkage and Its Application: Utilization of Large-Scale Academic Databases for Entity Identification", 2006.11-2006.11. (invited poster)
  • Yuxin Wang and Keizo Oyama: "A Method for Creating a High Quality Collection of Researchers' Homepages from the Web", Proc. Data Engineering Workshop 2005 (DEWS2005) (Feb. 28 - Mar. 2, 2005, Sasebo), 5C-i10, 2005.02.28-2005.03.02.
  • Keizo Oyama: "Utilization of XML in an Editing and Publishing System of Scholarly Online Journals", Digital Document Symposium 2000, Proceedings p.99-106, Information Processing Society of Japan, 2000.02.04-2000.02.04. (invited talk)
  • Kando, N., Koyama, T., Oyama, K., Kageura, K., Yoshioka, M., Nozue, T., Matsumura, A., Kuriyama, K.: "NTCIR: NACSIS Test Collection Project", 1998.03.25-1998.03.25. (poster)

Patent

  • "Full Text Database Search Method" (Patent), Koji Ota, Yasutsugu Nomura, Tetsuya Kurebayashi, Kiyoshi Yamada, Masamitsu Negishi, Keizo Oyama, Akira Miyazawa, Kouji Shibano, JP, 1993.04.19.

Work

  • Koji Eguchi, Keizo Oyama: "Test Collection for Evaluation of Web Information Retrieval" (Database), 2003.
  • Keizo Oyama, Koji Eguchi: "Web Data Collection" (Database), 2002.
  • Keizo Oyama: "NII Site Search" (Web service), 2001.
  • Keizo Oyama: "NII Web Search" (Web service), 2001.

Grant-in-Aid for Scientific Research

  • Grant-in-Aid for Scientific Research (A): "Integrated analysis of Web information structure and user behavior and its application to advanced information access", 2010.04-2013.03, 22240007.
  • Grant-in-Aid for Scientific Research (B): "Study on a high performance classification method for building information resources from large scale WWW data", 2006.04-2009.03, 18300037.

Education activity

  • Course: Introduction to Information Environment Science, II (The Graduate University for Advanced Studies), 2006.04-2023.03.
  • Course: Digital Publication (The Graduate University for Advanced Studies), 2002.04-2023.03.
  • Superviser: Doctoral program, School of Informatics, SOKENDAI (The Graduate University for Advanced Studies), 2003.10-2023.03.

    PhD: 3

Internal activity

  • Promotion Group Leader of Informatics Research Data Repository (NII-IDR), 2008.05-present.
  • Development and service: Member of Research and Development Center for Scientific Information Resources, 2006.04-2012.03.
  • Development and service: Development of CiNii system, 2001.04-2007.03.

    Conducted design and development of Scholarly and Academic Information Navigator CiNii

  • Development and service: Development of GeNii system, 2001.04-2004.03.

    Worked on design of GeNii architecture.

Academic society and committee activity

  • The Institute of Electronics, Information and Communication Engineers of Japan (IEICE)

    • "Member of WG for E-Journal and Member System", 2003.10.01-2005.03.31.

  • The Information Processing Society of Japan (IPSJ)

    • "Organizer of SIG-FI (Special Interest Group on Fundamental Infology)", 2005.04.01-2009.03.31.
    • "Advisory Board Member of Editorial Board of Transactions on Databases", 2005.04.01-2007.03.31.
    • "Session chair, 68th Conference, etc.", 2006.03-2006.03.
    • "Secretary of SIG-FI (Special Interest Group on Fundamental Infology)", 2002.04.01-2005.03.31.
    • "Co-chair of Editorial Board of Transactions on Databases", 2001.04.01-2005.03.31.
    • "Representative Member", 2001.04.01-2003.03.31.
    • "Chair of SIG-FI (Special Interest Group on Fundamental Infology)", 2000.04.01-2002.03.31.
    • "Member of Special Committee on Promotion of Electronic Processing in Society Activities", 2000.04.01-2002.03.31.
    • "Secretary of SIG-FI (Special Interest Group on Fundamental Infology)", 1998.04.01-2000.03.31.
    • "Organizer of SIG-FI (Special Interest Group on Fundamental Infology)", 1996.04.01-1998.03.31.
    • "Editor of IPSJ Magazine", 1992.04.01-1995.03.31.

  • Japan Society for Information and Media Studies

    • "Editorial Board Member of the Journal", 2000.04-2003.03.31.