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CLC number: TP391.2;TP273.4

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Received: 2001-12-21

Revision Accepted: 2002-05-06

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Journal of Zhejiang University SCIENCE A 2003 Vol.4 No.2 P.152-161

http://doi.org/10.1631/jzus.2003.0152


A natural language user interface for fuzzy scope queries


Author(s):  HUANG Yan, YU Hong-feng, GENG Wei-dong, PAN Yun-he

Affiliation(s):  College of Computer Science and Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   gengwd@cs.zju.cn

Key Words:  Integrated circuit information system, Natural language user interface, Grammar, Fuzzy rule, Matching degree


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HUANG Yan, YU Hong-feng, GENG Wei-dong, PAN Yun-he. A natural language user interface for fuzzy scope queries[J]. Journal of Zhejiang University Science A, 2003, 4(2): 152-161.

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Abstract: 
This paper presents a two-agent framework to build a natural language query interface for IC information system, focusing more on scope queries in a single English sentence. The first agent, parsing agent, syntactically processes and semantically interprets natural language sentence to construct a fuzzy structured query language (SQL) statement. The second agent, defuzzifying agent, defuzzifies the imprecise part of the fuzzy SQL statement into its equivalent executable precise SQL statement based on fuzzy rules. The first agent can also actively ask the user some necessary questions when it manages to disambiguate the vague retrieval requirements. The adaptive defuzzification approach employed in the defuzzifying agent is discussed in detail. A prototype interface has been implemented to demonstrate the effectiveness.

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Reference

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