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Pragmatic analysis based query expansion for Chinese cuisine QA service system

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2 Author(s)
Ling Xia ; Sch. of Electr. & Inf. Eng., Xihua Univ., Chengdu, China ; Ren, F.

This paper proposes a query expansion method for cooking question answering system based on pragmatic analysis. In our approach, the results of question analysis is used. The original queries are generated by means of the question subject, then the query terms are expanded based on pragmatic function. When submitting the expended queries to Google search engine to retrieve related passages, we get an overall improvement of 36.2% on the mean average precision.

Published in:

Natural Language Processing and Knowledge Engineering (NLP-KE), 2010 International Conference on

Date of Conference:

21-23 Aug. 2010