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Title: Towards a belief-revision-based adaptive and context-sensitive information retrieval system.
Authors: Lau, Raymond Y. K.
Bruza, Peter D.
Song, Dawei
Keywords: Theory
Belief revision
Retrieval context
Information flow
Text mining
Adaptive information retrieval
Issue Date: Mar-2008
Publisher: ACM
Citation: LAU, R. Y. K., BRUZA, P. and SONG, D., 2008. Towards a belief-revision-based adaptive and context-sensitive information retrieval system. ACM Transactions on Information Systems, 26 (2), article 8.
Abstract: In an adaptive information retrieval (IR) setting, the information seekers' beliefs about which terms are relevant, or non-relevant, will naturally fluctuate. This article investigates how the theory of belief revision can be used to model adaptive IR. More specifically, belief revision logic provides a rich representation scheme to formalize retrieval contexts so as to disambiguate vague user queries. In addition, belief revision theory underpins the development of an effective mechanism to revise user profiles in accordance with information seekers' changing information needs. It is argued that information retrieval contexts can be extracted by means of the information flow text mining method so as to realize a highly autonomous adaptive IR system. The extra bonus of a belief-based IR model is that its retrieval behavior is more predictable and explanatory. Our initial experiments show that the belief-based adaptive IR system is as effective as a classical adaptive IR system. To our best knowledge, this is the first successful implementation and evaluation of a logic-based adaptive IR model which can efficiently process large IR collections.
ISSN: 1046-8188
Appears in Collections:Journal articles (Computing)

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