基于专利文本的闭频繁项集在技术演化分析中的应用

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 0252-3116|60|6|70-76

ISSN: 0252-3116

Source: 图书情报工作, Vol.60, Iss.6, 2016-01, pp. : 70-76

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Abstract