He studied computer science at Kyushu University. He began his career as Technical Staff of Kyushu University in 2006, moved to Shimane University in 2008 as Assistant Professor. He received TELECOM System Technology Award for Student from The Telecommunications Advancement Foundation in 2001. He received PhD in 2008 from Kyushu University. He has been involved in research and teaching in the area of computer science. His research interests are text and Web mining. His research focuses on pattern detection of Web documents and information extraction from the documents based on frequency analysis. His research also focuses on the development of search engines to analyze search results.