ASIST AM 03 2003 START ConferenceManager    

Typology of Ambiguity on Representation of Information Problem: An Exploratory Study

Yang-woo Kim

Presented at ASIST 2003 Annual Meeting -- Humanizing Information Technology: From Ideas to Bits and Back (ASIST AM 03 2003), Westin Long Beach, Long Beach, California, October 20 - 23, 2003


Abstract

The paper is divided into three parts. The first part develops a framework explaining the need to disambiguate user inquiries to improve information systems and services. Theoretical grounds for this framework are explained for how questions are categorized based on their ambiguity type, while relevant literatures are briefly reviewed. The second part categorizes a set of questions, originally collected for TREC 8 QA Track, according to ambiguity type. Three types and two dimensions of ambiguity are identified. The last part discusses three aspects of retrieval systems and services, based on the results of categorization: 1) increasing user input to make initial queries less ambiguous; 2) reducing search space by disambiguating queries; and 3) clustering search results based on the characteristics of prospective answers.


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