Researches on Japanese- Chinese/Chinese-Japanese Machine Translation Systems CHEN Jiajun Department of Computer Science&technology Nanjing University

Research History CICC multi-lingua MT project(1987~1993) Machine translation supporting system Restricted Chinese Long Chinese sentences ’ splitting National 7 th five-year plan(1987~1990) Japanese analysis(case grammar-based) Japanese-Chinese MT system integration

863 high-tech projects(1992~now) Japanese-Chinese machine translation system(case grammar-based transfer) Translation web browser Oki electric industry co., Ltd. (1989~1995) Chinese generation Voice output

Brother industries, ltd.(1997~2000) Chinese generation system Chinese-Japanese MT system(prototype)

Research Results Japanese-Chinese MT engine Sentence-based translation Basic dictionary: 60,000 words, Dictionary in electronic techniques: 40,000 words Dictionary in commercial area: 30,000 words Plain text and HTML text Translation speed: 3,000,000 Japanese characters/hour(PIII 600) C++, windows DLLs, UNIX libraries

Web browser with J-C translation An IE style Web Browser(most of IE's functions are included). Online Japanese-Chinese translation(Words and Pages).

Japanese-Chinese translation supporting tool Automatic J-C translation Pre- and post- editing of Japanese and Chinese texts Automatic phrase and sentence alignment between Japanese and Chinese. Chinese-Japanese MT engine(prototype) Dictionary: 5,000 words

Future Considerations Researches on computational linguistics. Combining multiple translation techniques

Demonstrations J-C translation web browser J-C translation supporting tool