| 2002 | COLING | A Measure of Term Representativeness Based on the Number of Co-occurring Salient Words. | Toru Hisamitsu, Yoshiki Niwa |
| 2000 | COLING | A Method of Measuring Term Representativeness - Baseline Method Using Co-occurrence Distribution. | Toru Hisamitsu, Yoshiki Niwa, Jun'ichi Tsujii |
| 2000 | SOFSEM | Information Access Based on Associative Calculation. | Akihiko Takano, Yoshiki Niwa, Shingo Nishioka, Makoto Iwayama, Toru Hisamitsu, Osamu Imaichi, Hirofumi Sakurai |
| 1996 | COLING | Analysis of Japanese Compound Nouns by Direct Text Scanning. | Toru Hisamitsu, Yoshihiko Nitta |
| 1995 | ICDAR | Optimal techniques in OCR error correction for Japanese texts. | Toru Hisamitsu, Katsumi Marukawa, Yoshihiro Shima, Hiromichi Fujisawa, Yoshihiko Nitta |
| 1994 | COLING | An Efficient Treatment Of Japanese Verb Inflection For Morphological Analysis. | Toru Hisamitsu, Yoshihiko Nitta |
| 1994 | MVA | An Efficient OCR Error Correction Method for Japanese Text Recognition. | Toru Hisamitsu, Katsumi Marukawa, Yoshihiro Shima, Hiromichi Fujisawa, Yoshihiko Nitta |