Art
J-GLOBAL ID:200902198099780688   Reference number:98A0183194

Patent Categorization Using Document Frequency and Category Frequency.

文書頻度およびカテゴリー頻度を用いた特許類別
Author (2):
Material:
Volume: 97  Issue: 11  Page: 111-118  Publication year: Dec. 1997 
JST Material Number: Y0978B  ISSN: 1344-0640  Document type: Proceedings
Article type: 原著論文  Country of issue: Japan (JPN)  Language: ENGLISH (EN)
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Thesaurus term/Semi thesaurus term
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JST classification (2):
JST classification
Category name(code) classified by JST.
Database systems  ,  Retrieval technology 
Terms in the title (5):
Terms in the title
Keywords automatically extracted from the title.

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