A New Question Answering System for Chinese Restricted Domain

• HU Haiqing

  Department of Information Science and Intelligent Systems, Tokushima University

• JIANG Peilin

  Department of Information Science and Intelligent Systems, Tokushima University

• REN Fuji

  Department of Information Science and Intelligent Systems, Tokushima University

• KUROIWA Shingo

  Department of Information Science and Intelligent Systems, Tokushima University

Abstract

In this paper, we propose the construction of a web-based Question Answering (QA) system for restricted domain, which combines three resource information databases for the retrieval mechanism, including a Question & Answer database, a special domain documents database and the web resource retrieved by Google search engine. We describe a new retrieval technique of integrating a probabilistic technique based on OkapiBM25 and a semantic analysis which based on the ontology of How Net knowledge base and a special domain HowNet created for the restricted domain. Furthermore, we provide a method of question expansion by computing word semantic similarity. The system is first developed for a middle-size domain of sightseeing information. The experiments proved the efficiency of our method for restricted domain and it is feasible to transfer to other domains expediently using the proposed method.

Journal

• IEICE Trans. Information and Systems, D

  IEICE Trans. Information and Systems, D 89 (6), 1848-1859, 2006-06-01

  The Institute of Electronics, Information and Communication Engineers

Keywords

• question answering system
• Web-based
• semantic similarity
• restricted domain
• Chinese

Details

• CRID: 1574231877326703488
• NII Article ID: 110007503100
• NII Book ID: AA10826272
• ISSN: 09168532
• Text Lang: en
• Data Source:
  • CiNii Articles