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Personalized Question Answering System Based on Ontology and Semantic Web

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4 Author(s)
Pengfei Zhang ; Center of Intell. Sci. & Technol. Res., Beijing Univ. of Posts & Telecommun., Beijing ; Chunhua Wu ; Cong Wang ; Xiaohong Huang

Semantic Web technologies bring new benefits to knowledge-based question answering system. Especially, ontology is becoming the pivotal methodology to represent domain-specific conceptual knowledge in order to promote the semantic capability of a QA system. In this paper we present a QA system in which the domain knowledge is represented by means of ontology. In addition, personalized services are enabled through modeling users' profiles in the form of ontology, and a Chinese natural language human-machine interface is implemented mainly through a NL parser in this system. An initial evaluation result shows the feasibility to build such a semantic QA system based on ontology, the effectivity of personalized semantic QA, the extensibility of ontology and knowledge base, and the possibility of self-produced knowledge based on semantic relations in the ontology.

Published in:

Industrial Informatics, 2006 IEEE International Conference on

Date of Conference:

16-18 Aug. 2006