| 2014 | COLING | Enriching Wikipedia's Intra-language Links by their Cross-language Transfer. | Takashi Tsunakawa, Makoto Araya, Hiroyuki Kaji |
| 2013 | IJCNLP | Improving Calculation of Contextual Similarity for Constructing a Bilingual Dictionary via a Third Language. | Takashi Tsunakawa, Yosuke Yamamoto, Hiroyuki Kaji |
| 2010 | LREC | Using Comparable Corpora to Adapt a Translation Model to Domains. | Hiroyuki Kaji, Takashi Tsunakawa, Daisuke Okada |
| 2008 | LREC | Automatic Construction of a Japanese-Chinese Dictionary via English. | Hiroyuki Kaji, Shin'ichi Tamamura, Dashtseren Erdenebat |
| 2006 | LREC | Automatic Construction of Japanese WordNet. | Hiroyuki Kaji, Mariko Watanabe |
| 2004 | COLING | Bilingual-Dictionary Adaptation to Domains. | Hiroyuki Kaji |
| 2004 | LREC | Constructing Word-Sense Association Networks from Bilingual Dictionary and Comparable Corpora. | Hiroyuki Kaji, Osamu Imaichi |
| 2003 | NAACL | Word Sense Acquisition from Bilingual Comparable Corpora. | Hiroyuki Kaji |
| 2002 | COLING | Unsupervised Word Sense Disambiguation Using Bilingual Comparable Corpora. | Hiroyuki Kaji, Yasutsugu Morimoto |
| 2000 | COLING | Corpus-dependent Association Thesauri for Information Retrieval. | Hiroyuki Kaji, Yasutsugu Morimoto, Toshiko Aizono, Noriyuki Yamasaki |
| 1996 | COLING | Extracting Word Correspondences from Bilingual Corpora Based on Word Co-occurrence Information. | Hiroyuki Kaji, Toshiko Aizono |
| 1992 | COLING | Learning Translation Templates From Bilingual Text. | Hiroyuki Kaji, Yuuko Kida, Yasutsugu Morimoto |
| 1988 | COLING | An efficient execution method for rule-based machine translation. | Hiroyuki Kaji |
| 1984 | COLING | A Proper Treatmemt Of Syntax And Semantics In Machine Translation. | Yoshihiko Nitta, Atsushi Okajima, Hiroyuki Kaji, Youichi Hidano, Koichiro Ishihara |