Tsunenori Mine Hiroki Fujitani Makoto Amamiya Japanese Information Retrieval Method Using Syntactic and Statistical Information. 429-434 2001 conf/nlprs/2001 NLPRS http://www.afnlp.org/nlprs2001/pdf/0153-01.pdf db/conf/nlprs/nlprs2001.html#MineFA01