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New Technology of Library and Information Service  2012, Vol. Issue (11): 53-59    DOI: 10.11925/infotech.1003-3513.2012.11.09
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Study on New Technology Detection in Patents Documents
Gu Jun
Baoshan Iron and Steel Co., Ltd., Shanghai 201900, China
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Abstract  This paper promotes a method which detecting new technology term from the texts of Chinese patents. Firstly, the element of terms in patents are extracted by ICTCLAS segmentation system and stop words lists. Then the hot elements of terms are filtered based on terms weights computing by improved TFIDF model. Secondly, the hot elements of terms are combined orderly by computing the distance between two words, and obtain the terms collection by terms weights computing and threshold filtering. The valid new technology terms are detected by the experts artificially. Finally, the availability of the method is proved through the applied example.
Key wordsTechnology life cycle      Term detection      Hot elements of terms     
Received: 07 November 2012      Published: 06 February 2013
:  TP391  

Cite this article:

Gu Jun. Study on New Technology Detection in Patents Documents. New Technology of Library and Information Service, 2012, (11): 53-59.

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