Jun Adachi. Preface from the Organizing Chair. In Noriko Kando, Haruko Ishikawa, editors, Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, Question Answering and Summarization, NTCIR-4, National Center of Sciences, Tokyo, Japan, June 2-4, 2004. National Institute of Informatics (NII), 2004. [doi]
Abstract is missing.