Example-Based Query Analysis Using Functional Conceptual Graphs

  • Authors:
  • Hui Liu;Yuquan Chen

  • Affiliations:
  • School of Business Information Management, Shanghai Institute of Foreign Trade,;Department of Computer Science and Engineering, Shanghai Jiao Tong University,

  • Venue:
  • AMT '09 Proceedings of the 5th International Conference on Active Media Technology
  • Year:
  • 2009

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Abstract

In this paper the authors suggest an example-based method to analyze user queries in questions into conceptual graphs. As a novel point, functional conceptual graphs (FCGs) are introduced as an abstract layer for example annotation to catch the transformation between an example sentence and its correspondent graph. Concepts and relations in graphs are denoted as functions with arguments. Therefore the main task of semantic analysis is decomposed into two parts: to construct an FCG using example-based machine translation methods; and to instantiate the FCG by solve the values of functions. The second part could be implemented by a lot of existing methods for retrieving relations between concepts. Moreover, this paper uses an active example selection approach to ease annotation work. Evaluation shows that this method is effective and can improve the labeling of relations.