国際会議
[1] Motoaki Nakashima, Hideaki Hata, Masanori Akiyoshi, and Norihisa Komoda, "A Retrieval Method for Bulletin Board Service Articles by Word Relevance Based on a Count of Web Pages from an Internet Search Engine," In Proc. of E-Activity and Leading Technologies 2007 (E-ALT2007), pages 90-97 December 2007.