Masatoshi Yoshikawa Department of Social Informatics Graduate School of Informatics Kyoto University Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501 JAPAN e-mail: yoshikawa (AT) i (dot) kyoto-u (dot) ac (dot) jp

• Privacy Protection and Data Valuation
• Personal Data Utilization and Privacy Protection
• Data Valuation
• Mutually Beneficial Confluent Routing
• Infrastructure for Promoting Secondary Usage of Medical Information
• Metadata Systems for Information on Earth Environment

• Yang Cao, Li Xiong, Masatoshi Yoshikawa, Yonghui Xiao, Si Zhang "ConTPL: Controlling Temporal Privacy Leakage in Differentially Private Continuous Data Release," accepted for publication in PVLDB and for demonstration at the VLDB 2018 conference.
• Yang Cao, Masatoshi Yoshikawa, Yonghui Xiao and Li Xiong, “Quantifying Differential Privacy in Continuous Data Release under Temporal Correlations,” IEEE Transactions on Knowledge and Data Engineering (TKDE), the special section on the 33rd International Conference on Data Engineering ("Best of ICDE 2017"). [preprint]
• Yuji Morita, Masatoshi Yoshikawa, Noboru Kada, Akihiro Hamasaki, Osamu Sugiyama, Kazuya Okamoto and Tomohiro Kuroda "Medication Pattern Mining Considering Unbiased Frequent Use by Doctors", European Journal for Biomedical Informatics (EJBI) Volume 14, Issue 1, February 2018.

• The 27th ACM International Conference on Information and Knowledge Management (CIKM), Senior Program Committee member for Short Papers
• The 35th IEEE International Conference on Data Engineering (ICDE 2019), PC member
• 2019 IEEE International Conference on Big Data and Smart Computing (BigComp), General Co-Chair

Masatoshi Yoshikawa received B.E., M.E. and Ph.D. degrees from Department of Information Science, Kyoto University in 1980, 1982 and 1985, respectively. He was on the faculty of Kyoto Sangyo University from 1985 until 1993. From 1989 to 1990, he was a visiting scientist at Computer Science Department, University of Southern California. In 1993, he joined Nara Institute of Science and Technology (NAIST) as a faculty member. From April 1996 to January 1997, he has stayed at Department of Computer Science, University of Waterloo as a visiting associate professor. From June 2002 to March 2006, he served as a professor at Nagoya University. From April 2006, he has been a professor at Kyoto University.