Tetsuya Oishi Shunsuke Kuramoto Tsunenori Mine Ryuzo Hasegawa Hiroshi Fujita Miyuki Koshimura A Method for Query Expansion Using the Related Word Extraction Algorithm. 41-44 2008 Web Intelligence/IAT Workshops http://dx.doi.org/10.1109/WIIAT.2008.308 conf/iat/2008w db/conf/iat/iatw2008.html#OishiKMHFK08