Current Titles:
Professor Emeritus, Osaka University

Research interests:

• Social Network Analysis
• Artificial Intelligence, Machine Learning in General
• Data Mining, Knowledge Discovery, and Scientfic Discovery
• Knowledge Acquisition from Expert

• Fellow of Web Intelligence Academy, 10/2023
• Special achievemen award of the Pacific Asian Conference on Data Mining and Knowledge Discovery, 05/2020
• Best paper award of Japanese Society for Artificial Intelligence, 06/2019
  Extracting Cooperative Structure among Online Items from Share-Event Sequence
• Distinguished contribution award of the Asian Conference on Machine Learning, 11/2018
• Best paper award runner up for the 14th Pacific Rim International Conference on Artificial Intelligence, 08/2016
  Detecting Critical Links in Complex Network to Maintain Information Flow/Reachability
• Best paper award for the special interest group of Japanese Society for Artificial Intelligence, 06/2016
  Combining Activity-evaluation Information with NMF for Trust-link Prediction in Social Media
• Distinguished contribution award of the Pacific Rim International Conference on Artificial Intelligence, 12/2014
• Best pape award for the 2014 International Conference on Data Science and Advanced Analytics, 10/2014
  Efficient Analysis of Node Influence Based on SIR Model over Huge Complex Networks
• Fellow of Japanese Society of Artificial Intelligence, 6/2009
• WIC outstanding contribution award, 12/2008
• Okawa publishing award, 11/2007
  Fundamentals of Data Mining, Ohmsha, Ltd., 12/2006
  
• Distinguished contribution award of the Pacific Asian Conference on Data Mining and Knowledge Discovery, 04/2006
• Best paper award for the special interest group of Japanese Society for Artificial Intelligence,　06/2005
  Development of Classifier by Using QAR Analysis
• Best paper award for the special interest group of Japanese Society for Artificial Intelligence,　06/2003
  A Data Mining System: MUSASHI
• Best paper award for the annual meeting of Japanese Society for Artificial Intelligence, 06/2003
  Improvement of Search Capability of Decision Tree -- Graph-Based Induction
• Best paper award of Japanese Society for Artificial Intelligence, 05/2001
  Scientific Law Discovery based on Sacale Type Constraint
• Outstanding achievement award of Japanese Society for Artificial Intelligence, 06/2000
• Best paper award for the annual meeting of Japanese Society for Artificial Intelligence, 12/1999
  Scientific Law Discovery from Observed Data and its Application to Socio-psychology
• Best paper award for the annual meeting of Japanese Society for Artificial Intelligence, 12/1998
  The extended SDS: A Model of Scientific Discovery for Simultaneous Equation Systems
• Best paper award of the special interest geoup of Japanese Society for Artificial Intelligence,　12/1997
  A method of discovering the first principlce based on scale-based reasoning and its implementation
• Best paper award for the annual meeting of Japanese Society for Artificial Intelligence, 06/1997
  A data-driven method to discover the first principle of complex systems
• Best paper award of Japanese Society for Artificial Intelligence, 07/1993
  Concept Learning from Inference Pattern
• Best paper award for the annual meeting of Japanese Society for Artificial Intelligence, 06/1991
  Concept Learning from Inference Pattern
• Best paper award of Japanese Society for Artificial Intelligence, 07/1990
  Frustration-Based Learning in Auxiliary-Line Problems in Elementary Geometry
• Best paper award of Atomic Energy Society of Japan, 03/1984
  Method for plant operation guidance by knowledge engineering technique
• Best paper award of Atomic Energy Society of Japan, 03/1977
  Optimization of refueling schedule for light water reactors
• Encouragement award for young scientists of Atomic Energy Society of Japan, 03/1970
  Burnup optimization of nuclear power reactor
   

• Japanese Society of Artificial intelligence since 1987
• Japan Society of Software Science and Technology from 1986 to 2008
• Cognitive Science Society of Japan from 1986 to 2008
• American Association for  Artificial Intelligence since 1985 (AAAI) to 2010
• Information Processing Society of Japan since 1982 to 2008
• The Institute of Electrical and Electronics Engineering (Computer Society) from 1990 to 2007
• American Nuclear Society from 1972 to 1990
• Atomic Energy Society of Japan from 1965 to 1991

• Advisory board
  
  
  • Technical Committee member of Web Intelligence Consortium (04/2003 - Present)
  • Scientific advisory board of Alberta Ingenuity Centre for Machine Learning (04/2003 - 05/2008)
  • Academic advisory board of Japan Institute of Science and Technology (04/2003 - 03/2006)
  • Academic advisory board of the Institute of Statistical Mathematics (04/2004 - 03/2006)
    
    

• Board of Trustee
  
  
  • Board of Auditor of Japanese Cognitive Science Society (01/2005 - 12/2006)
  • Board of trustee of Japanese Cognitive Science Society (06/1995 - 05/1999)
  • Board of trustee of Japanese Society of Artificial Intelligence (06/1990 - 05/1992)
  • Board of trustee of Japan Society of Software Science and Technology (05/1987 - 04/1989)
  
  
  
• Editorial Board
  
  
  • Editorial board of International Journal of Data Science and Analytics (Springer) (04/2015 - 07/2022)
  • Advisory board of ACM Transactions on Intelligent Systems and Technology (ACM TIST) (10/2009 - 03/2012)
  • Editorial board of the AI Handbook (Japanese Society of Artificial Intelligence) (08/2002 - 12/2005)
  • Advisory board of the Handbook of Data Mining (Lawrence Erlbaum Associates) (04/2001 - 05/2003)
  • Editorial board of Intelligent Data Analysis: An Internartional Journal (IOS Press) (04/2001 - 03/2014)
  • Editorial board of Knowledge and Information Systems: An International Journal (Springer Verlag) (01/1998 - 12/2005)
  • Editorial board of the Handbook of Knowledge Discovery and Data Mining (Oxford University Press) (03/1997 - 12/2002)
  • Editorial board of International Journal of Human Computer Studies (Academic Press) (11/1994 - 03/2006)
  • Editorial board of Japanese Cognitive Science Society (06/1993 - 04/1997)
  • Editorial board of Advanced Engineering Informatics (Elsevier) (08/1991 - 05/2005)
  • Editorial board of Computer Science (Shujunsha) (01/1991 - 01/1993)
  • Editorial board of IEEE Expert (02/1990 - 02/1994)
  • Editorial board of the Journal of Knowledge Acquisition (Academic Press) (04/1989 - 11/1994)
  • Editorial board of Japanese Society of Artificial Intelligence (04/1987 - 03/1991)
  
  

• Steering Committee
  
  
  • Discovery Science Conference, Honorary member (11/2018 - Present)
  • International Conference on Informatics for Human Brain, Behavior and Health (08/2014-04/2018)
  • International Conference on Data Science and Advanced Analytics (12/2013 - Present)
  • Asian Conference on Machine Learning, Chair (10/2009 - 10/2012})
  • Discovery Science Conference (11/2006 - 11/2018)
  • Pacific-Asia Conference on Knowledge Discovery & Data Mining, Life member (05/2006 - Present)
  • Pacific Rim International Conference on Artificial Intelligence, Honorary member (09/2004 - Present)
  • Pacific-Asia Conference on Knowledge Discovery & Data Mining, Chair (05/2003 - 04/2006)
  • Discovery Science Conference, Chair (11/2002 - 10/2006)
  • Algorithmic Learning Theory Conference (11/2002 - 10/2006)
  • Pacific-Asia Conference on Knowledge Discovery & Data Mining, Co-chiar (05/2001 - 04/2003)
  • Pacific-Asia Conference on Knowledge Discovery & Data Mining (04/1998 - 04/2001)
  • Pacific Rim International Conference on Artificial Intelligence (08/1996 - 08/2004)
  
  
• Program Chairs and Organizers
  
  
  • Honorary Co-Chair of the 2023 Principle and Practice of Data and Knowqledge Acquisition Workshop: PKAW2023 (2023)
  • Honorary Co-Chair of the 2022 Principle and Practice of Data and Knowqledge Acquisition Workshop: PKAW2022 (2022)
  • Honorary Co-Chair of the 2020 Principle and Practice of Data and Knowqledge Acquisition Workshop: PKAW2020 (2021)
  • Honorary Conference Co-Chair of the Twelveth Asian Conference on Machine Learning: ACML2020 (2020)
  • Honorary Co-Chair of the 2019 Pacific Rim Knowqledge Acquisition Workshop: PKAW2019 (2019)
  • Honorary Conference Co-Chair of the 22nd Pacific-Asia Conference on Knowledge Discovery Data Mining: PAKDD19 (2019)
  • Honorary Conference Co-Chair of the Tenth Asian Conference on Machine Learning: ACML2018 (2018)
  • Honorary Co-Chair of the 2018 Pacific Rim Knowqledge Acquisition Workshop: PKAW2018 (2018)
  • General Co-Chair of the 2017 IEEE International Confernece on Data Science and Advanced Analytics: DSAA2017 (2017)
  • General Co-Chair of the Third Asian Conference on Defense Technology: ACDT2017 (2017)
  • Honorary Conference Co-Chair of the Eleventh International Conference on Knowledge, Information and Creativity Support Systems: KICSS16 (2016)
  • Honorary Conference Co-Chair of the 14th Pacific Rim International Conference on Artificial Intelligence: PRICAI2016 (2016)
  • Honorary Co-Chair of the 2016 Pacific Rim Knowqledge Acquisition Workshop: PKAW2016 (2016)
  • General Co-Chair of the Second Asian Conference on Defense Technology: ACDT2016 (2016)
  • Honorary Conference Co-Chair of the Tenth International Conference on Knowledge, Information and Creativity Support Systems: KICSS15 (2015))
  • Conference Co-chair of the First Asian Conference on Defence Technology: ACDT15 (2015)
  • Conference Co-chair of the Nineteenth Pacific-Asia Conference on Knowledge Discovery Data Mining: PAKDD15 (2015)
  • Program Co-chair of the 2nd International Conference on Rough Sets and Intelligent Systems Paradigms: RSEISP (2014)
  • Conference Co-Chair of the 2014 International Conference on Data Science and Advanced Analytics: DSAA (2014)
  • Honorary Conference chair of the Eighteenth Pacific-Asia Conference on Knowledge Discovery and Data Mining: PAKDD14 (2014)
  • Conference Chair of the Ninth International Conference on Advanced Data Mining and Applications (ADMA 2013)
  • Co-organizer of the Fourth International Workshop on Behavior and Social Informatics and Computing: BSIC2013
  • Co-organizer of the Fourth International Workshop on Behavior and Social Informatics: BI2013
  • Conference Chair of the 17th Pacific-Asia Conference on Knowledge
    Discovery and Data Mining: PAKDD2013 (2013)
  • Co-organizer of the Third International Workshop on Behavior Informatics: BI2012 (2012)
  • Honary Co-Chair of The 12th International Workshop on Knowledge Management and Acquisition for Intelligent Systems: PKAW2012 (2012)
  • Co-organizer of the Second International Workshop on Behavior Informatics: BI2011 (2011)
  • Conference Chair of the Fifth International Conference on Knowledge, Information and Creativity Support Systems: KICSS 2010 (2010)
  • Best Paper Award Chair of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases: ECML/PKDD2010 (2010)
  • Honary Co-Chair of The 11th International Workshop on Knowledge Management and Acquisition for Smart Systems and Services: PKAW2010 (2010)
  • Co-organizer of the First International Workshop on Behavior Informatics: BI2010 (2010)
  • Co-organizer of the Fourth International Workshop on Feature Selection and Data Mining: FSDM2010 (2010)
  • Conference chair of the First Asisan Conference on Machine Learning (ACML09)
  • Honorary Conference chair of the Thirteenth Pacific-Asia Conference on Knowledge Discovery & Data Mining: PAKDD09 (2009)
  • Conference chair of the Tenth Pacific Rim International Conference on Artificial Intelligence PRICAI2008 (2008)
  • Honorary Conference chair of the Eleventh Pacific-Asia Conference on Knowledge Discovery & Data Mining: PAKDD07 (2007)
  • Conference chair of the Eighth International Conference on Discovery Science: DS2005 (2005)
  • .Conference Chair of the Ninth Pacific-Asia Conference on Knowledge Discovery & Data Mining: PAKDD05 (2005)
  • Co-organizer of the International Workshop on Active Mining: AM-2004 (2004)
  • Honoyrary Chair of the Fifth Pacific Rim Knowledge Acquisition for Knowledge-Based Systems Workshop: PKAW04 (2004)
  • Co-organizer of the International Workshop on Active Mining: AM-2003 (2003)
  • Organizer of the International Workshop on Active Mining: AM-2002 (2002)
  • Co-organizer of the Fourth Pacific Rim Knowledge Acquisition for Knowledge-Based Systems Workshop: PKAW02 (2002)
  • Co-organizer of the First International Workshop on Data Mining Lessons Learned: DMLL-2002, Workshop at ICML2002 (2002)
  • Organizer of the panel ``Innovative Projects for Intelligent Systems in the New Century'' for 13th International Symposium on Methodologies for Intelligent Systems: ISMIS02 (2002)
  • Co-organizer of the Third Pacific Rim Knowledge Acquisition for Knowledge-Based Systems Workshop: PKAW00 (2000)
  • Co-Organizer of the Fourth Pacific-Asia Conference on Knowledge Discovery \& Data Mining: PAKDD2000 (2000)
  • Program chair of the First International Workshop on Discovery Science: DS98 (1998)
  • Co-organizer of the Second Pacific Rim Knowledge Acquisition for Knowledge-Based Systems Workshop: PKAW98 (1998)
  • Co-program chair of the Fifth Pacific Rim International Conference on Artificial Intelligence: PRICAI98 (1998)
  • Co-program chair of the First Pacific-Asia Conference on Knowledge Discovery \& Data Mining: PAKDD97 (1997)
  • Co-organizer of the First Pacific Rim Knowledge Acquisition for Knowledge-Based Systems Workshop: PKAW96 (1996)
  • Co-organizer of the Third Japanese Knowledge Acquisition for Knowledge-Based Systems Workshop: JKAW94 (1994)
  • Co-organizer of International Workshop on Machine Intelligence 1995: MI95 (1993)
  • Co-organizer of International Workshop on Machine Intelligence 1993: MI93 (1993)
  • Co-organizer of the Second Japanese Knowledge Acquisition for Knowledge-Based Systems Workshop: JKAW92 (1992)
  • Co-organizer of the First Japanese Knowledge Acquisition for Knowledge-Based Systems Workshop: JKAW90 (1990)
  • Vice Chairman of the 5th Annual Meeting of Japanese Society for Artificial Intelligence (1990)
    
    
    
• Personal History
  
  
  • Scientific Advisor, Asian Office of Aerospace Research and Development (May, 2006 to April, 2018)
  • Professor, The Institute of Scientific and Industrial Research, Osaka Universtiy (January, 1996 to March, 2006))
  • Senior Chief Research Scientist, Advanced Research Laboratory, Hitachi, Ltd. (August, 1994 to December, 1995)
  • Chief Research Scientist, Advanced Research Laboratory, Hitachi, Ltd. (April, 1987 to July, 1994)
  • Senior Research Scientist, Advanced Research Laboratory, Hitachi, Ltd. (April, 1985 to March, 1987)
  • Senior Research Scientist, Energy Research Laboratory, Hitachi, Ltd. (April, 1978 to March, 1985)
  • Senior Research Scientist, Atomic Energy Research Laboratory, Hitachi, Ltd. (August, 1976 to March, 1978)
  • Visiting Scholar, Department of Nuclear Engineering, Purdue University, (September, 1972 to August, 1973)
  • Research Scientist, Atomic Energy Research Laboratory, Hitachi, Ltd. (April, 1971 to July, 1976)
  • Research Scientist, Central Research Laboratory, Hitachi, Ltd. (April, 1967 to March, 1971)
  • Graduate School, Department of Nuclear Engineering, University of Tokyo (April, 1965 to March, 1967)
  • Department of Nuclear Engineering, University of Tokyo (April, 1963 to March, 1965)
  • College of General Education, University of Tokyo (April, 1961 to March, 1963)
  
  
  
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