A retrieval method of similar question articles from web bulletin board. - Yohei Sakurai; Soichiro Miyazaki; Masanori Akiyoshi (ICSOFT (2), 2006)

A retrieval method of WEB bulletin board articles using other users' evaluation of past retrieval results. - Koichi Iwai; Yohei Sakurai; Masanori Akiyoshi; Norihisa Komoda (iiWAS, 2008)