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I am senior researcher and research manager of Information Retrieval and Mining Group at Microsoft Research Asia. I am also adjunct professor of Peking University, Nanjing University, Xian Jiaotong University, and Nankai University. I am co-director of the MS joint lab at PKU and member of the machine learning lab at NJU.
I joined Microsoft Research in June 2001. Prior to that, I worked at the Research Laboratories of NEC Corporation.
I obtained a B.S. in Electrical Engineering from Kyoto University in 1988 and a M.S. in Computer Science from Kyoto University in 1990. I earned my Ph.D. in Computer Science from the University of Tokyo in 1998.
I am interested in statistical learning, information retrieval, data mining, and natural language processing.
Opening speech at the WSDM 2011
as author at Fourth ACM International Conference on Web Search and Data Mining - WSDM 2011,
together with: Wolfgang Nejdl,
Improving Quality of Training Data for Learning to Rank Using Click-Through Data
as author at Third ACM International Conference on Web Search and Data Mining - WSDM 2010,
Generalization Analysis of Listwise Learning-to-Rank Algorithms
as author at Sessions,