ZHOU Dong, LIU Jianxun, ZHANG Sanrong. Utilizing Sub-topic Units for Patent Prior-Art Search[J]. Chinese Journal of Electronics, 2014, 23(3): 480-483.
Citation: ZHOU Dong, LIU Jianxun, ZHANG Sanrong. Utilizing Sub-topic Units for Patent Prior-Art Search[J]. Chinese Journal of Electronics, 2014, 23(3): 480-483.

Utilizing Sub-topic Units for Patent Prior-Art Search

Funds:  This work is supported by the National Natural Science Foundation of China (No.61300129, No.61272063 and No.61100054), the Project Sponsored by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry (No.[2013] 1792), Excellent Youth Foundation of Hunan Scientific Committee (No.11JJ1011), and Hunan Provincial Natural Science Foundation of China (No.12JJ6064 and 12JJB009), Scientific Research Fund of Hunan Provincial Education Department of China (No.11B048 and No.12K105).
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  • Corresponding author: ZHOU Dong
  • Received Date: 2013-07-01
  • Rev Recd Date: 2013-10-01
  • Publish Date: 2014-07-05
  • One of the defining challenges in patent prior-art search is the problem of representing a long, technical document as a query. Previously work on this problem has concentrated on single query representations of the patent application. In the following paper, we describe an approach which uses multiple query representations generated from semantically coherent passages extracted from patent documents. We validate our technique in an experiment using the CLEF-IP 2011 patent search collection. Our system achieves statistically significant improvements over various state-of-art query generation techniques.
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