A Study of Collocation based on Corpora touward Conpiling a Dictionaryy for Learners of Japanese

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In 2001, we started this research with collecting Japanese corpora. We obtained corpora of written Japanese such as newspapers and books. But there are very limited corpora of spoken Japanese available. We recorded, therefore, casual conversation by Japanese people and made a corpus of about 100 hour conversation between friends or acquaintances. At the same time we developed a software system called "chokoshi" with technical help from Professor Atsushi Fukada of Purdue University in U.S.A. It allows users to extract collocation information from various corpora.In 2002, we presented papers on Japanese collocation at various conferences such as the 10^<th> Princeton Japanese Pedagogy Workshop, and the third International Conference on Computer Assisted Systems for Teaching and Learning/Japanese.In 2003, we continued our research on collocation and presented the results at the 13^<th> Biennial Conference of the Japanese Studies Association of Australia, the Third ASIALEX Biennial Conference and the 10^<th> International Conference of the European Association for Japanese Studies.We plan to make the software system Chakoshi available to the public on the web using corpora which do not infringe the copyright.