The NTCIR Workshop is a series of evaluation workshops designed to enhance research in Information Access (IA) technologies including information retrieval, question answering, text summarization, extraction, etc. It was co-sponcered by Japan Society for Promotion of Science (JSPS) as part of JSPS "Research for Future" Program" and National Center for Science Information Systems (NACSIS) since 1997, by JSPS and Research Center for Information Resources at National Institute of Informatics (RCIR/NII,) in FY 2000, and by MEXT Grant-in-Aid for Scientific Research on Priority Areas of "Informatics" (#13224087) and RCIR/NII in and after FY2001.