The evaluation of an implication by Imaging is a logical technique developed in the framework of modal logic. Its interpretation in the context of a ‘possible worlds’ semantics is very appealing for ir. In 1989, Van Rijsbergen suggested its use for solving one of the fundamental problems of logical models of IR: the evaluation of the implication d → q (where d and q are respectively a document and a query representation). Since then, others have tried to follow that suggestion proposing models and applications, though without much success. Most of these approaches had as their basic assumption the consideration that ‘a document is a possible world’. We propose instead an approach based on a completely different assumption: ‘a term is a possible world’. This approach enables the exploitation of term‐term relationships which are estimated using an information theoretic measure.
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1 January 1995
Review Article|
January 01 1995
INFORMATION RETRIEVAL BY LOGICAL IMAGING Available to Purchase
F. CRESTANI;
F. CRESTANI
Computing Science Department, University of Glasgow, Glasgow G12 8RZ On leave from Dipartimento di Elettronica ed Informatica, Universitá degli Studi di Padova, Italy.
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C.J. VAN RIJSBERGEN
C.J. VAN RIJSBERGEN
Computing Science Department, University of Glasgow, Glasgow G12 8RZ
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Publisher: Emerald Publishing
Online ISSN: 1758-7379
Print ISSN: 0022-0418
© MCB UP Limited
1995
Journal of Documentation (1995) 51 (1): 3–17.
Citation
CRESTANI F, VAN RIJSBERGEN C (1995), "INFORMATION RETRIEVAL BY LOGICAL IMAGING". Journal of Documentation, Vol. 51 No. 1 pp. 3–17, doi: https://doi.org/10.1108/eb026939
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