Automatic Compilation and Retrieval of Modern Japanese Concordance

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This paper describes an automatic indexing project in Japanese. Very large volume of modem Japanese concordance has been compiled automatically and its retrieval systems were provided. Japanese texts were manipulated directly by computers without using Romanization. The data of up to 750 000 words contains sampled sentences from 3 daily newspapers in Japan. Since the whole concordance reaches more than 750 000 lines in Japanese KWIC index form traditional book style printing could not be adopted. The concept of "concordance system " which is not a concordance generating system but the concordance itself as a system is introduced. The concordance is recorded on both magnetic tapes and a set of microfiche. Mini-computer based concordance retrieval systems are developed for the users to retrieve and read any necessary part of the concordance either through a kanji (Chinese character) display terminal or through a microfiche viewer. The whole concordance was materialized successfully as the "concordance system".

This paper describes an automatic indexing project in Japanese. Very large volume of modem Japanese concordance has been compiled automatically and its retrieval systems were provided. Japanese texts were manipulated directly by computers without using Romanization. The data of up to 750,000 words contains sampled sentences from 3 daily newspapers in Japan. Since the whole concordance reaches more than 750,000 lines in Japanese KWIC index form, traditional book style printing could not be adopted. The concept of "concordance system," which is not a concordance generating system but the concordance itself as a system is introduced. The concordance is recorded on both magnetic tapes and a set of microfiche. Mini-computer based concordance retrieval systems are developed for the users to retrieve and read any necessary part of the concordance either through a kanji (Chinese character) display terminal or through a microfiche viewer. The whole concordance was materialized successfully as the "concordance system".

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