Measurement and Changing Trends of Originality Index Value——In View of NBER Patent Citation Database

Yang Zhongkai, Huang Ying, Liang Yongxia, Liu Jia

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Library and Information Service ›› 2012, Vol. 56 ›› Issue (18) : 34-37,59.

Measurement and Changing Trends of Originality Index Value——In View of NBER Patent Citation Database

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2012, 56(18): 34-37,59

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