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New Technology of Library and Information Service  2014, Vol. 30 Issue (1): 66-71    DOI: 10.11925/infotech.1003-3513.2014.01.10
INFORMATION ANALYSIS AND RESEARCH Current Issue | Archive | Adv Search |
Technical Strength Evaluation Method Based on Patent Text Data
Han Hongqi1, Gui Jie1, Xu Shuo1, Liu Yuqin2
1Institute of Scientific and Technical Information of China,Beijing 100038,China; 2Beijing Academy of Printing & Packaging Industrial Technology,Beijing Institute of Graphic Communication,Beijing 102600,China
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Abstract  [Objective] The paper aims to propose a method to evaluate enterprise technical strength based on patent text data without citation data. [Methods] Four indexes are used to evaluate technical strength comprehensively,including valid granted patent quantity index,patent growth ratio index,technical centrality index and patent minimum value index. The four indexes reflect technical strength respectively from technical scale,growth,importance and value.[Results] The experimental results on indexes comparison between CII and TII show that citation analysis give higher value to earlier publicated patents. Another experimental results on indexes comparison between TS and TSQGIV show the effectiveness of the proposed method. [Limitations] The enterprise names are not normalized in data pre-process,which might cause errors to experimental results. [Conclusions] Compared with previous methods,the proposed novel method can evaluate technical strength of companies without citation data.
Key words： Technical strength evaluation      Patent analysis      Patent evaluation      Evaluation index     
Received: 14 February 2014      Published: 14 February 2014
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Han Hongqi
Gui Jie
Xu Shuo
Liu Yuqin

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Han Hongqi,Gui Jie,Xu Shuo,Liu Yuqin. Technical Strength Evaluation Method Based on Patent Text Data. New Technology of Library and Information Service, 2014, 30(1): 66-71.

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http://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.1003-3513.2014.01.10     OR     http://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y2014/V30/I1/66

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