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
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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)
Thesaurus term:
Thesaurus term/Semi thesaurus term Keywords indexed to the article. All keywords is available on JDreamIII(charged). On J-GLOBAL, this item will be available after more than half a year after the record posted. In addtion, medical articles require to login to MyJ-GLOBAL.
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JST classification (2):
JST classification
Category name(code) classified by JST.