An Implementation Method of an Integrated Associative Search for Mathematical Expressions. - Sadaya Kishimoto; Takafumi Nakanishi; Mamoru Murakata; Toru Otsuka; Tetsuya Sakurai; Takashi Kitagawa (Databases and Applications, 2006)

Construction of a metadata space for a specific field of knowledge from an index of a document. - Takafumi Nakanishi; Sadaya Kishimoto; Tetsuya Sakurai; Takashi Kitagawa (Syst. Comput. Jpn., 2007)