Extracting the significant-rare keywords for patent analysis

Brainstorming for keywords is used in retrieving patent documents, but even experienced engineers are irresolute in dealing with this critical issue. The quality of a patent report is usually already determined by the keywords they used in the first step. In order to improve the stumbling stone, thi...

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Published in:Expert systems with applications 2009-04, Vol.36 (3), p.5200-5204
Main Authors: Li, Yan-Ru, Wang, Leuo-Hong, Hong, Chao-Fu
Format: Article
Language:English
Subjects:
Chance discovery
Patent analysis
Significant-rare
Text mining
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description Brainstorming for keywords is used in retrieving patent documents, but even experienced engineers are irresolute in dealing with this critical issue. The quality of a patent report is usually already determined by the keywords they used in the first step. In order to improve the stumbling stone, this paper demonstrates a new method of how to find the significant-rare in a patent database. The results show that a systematic patent search (snowball-rolling-procedure) could consider the heterogeneous terms used by assignees, attorneys, and inventors that include some hidden information. Overall, the reliability of patent data can be ameliorated further.
doi_str_mv 10.1016/j.eswa.2008.06.131
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subjects Chance discovery
Patent analysis
Significant-rare
Text mining
title Extracting the significant-rare keywords for patent analysis
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