An efficient dictionary access method for morphological analysis. - Kazuaki Ando; Takako Tsuji; Masao Fuketa; Jun-ichi Aoe (SMC, 1998)

A multi-stage retrieval algorithm for postings on index tables. - Masao Fuketa; Takako Tsuji; Kazuaki Ando; Jun-ichi Aoe (SMC, 1998)

A document classification method by using field association words. - Masao Fuketa; Samuel Sangkon Lee; Takako Tsuji; Makoto Okada; Jun-ichi Aoe (Inf. Sci., 2000)