Bio. Currently, I'm working at Preferred Networks, Inc. I received my M.E. from Nara Institute of Science and Technology (NAIST) in 2002, and had been engaged in research on text mining at IBM Research from 2002 to 2016. I received my D.E. from NAIST in 2009. My research interests include natural language processing, machine learning, and data mining. I am a member of Information Processing Societ