Document (#16776)

Author
Bruza, P.D.
Huibers, T.W.C.
Title
¬A study of aboutness in information retrieval
Source
Artificial intelligence review. 10(1996) nos.5/6, S.381-407
Year
1996
Abstract
Addresses the notion of aboutness in information retrieval. Shows how aboutness relates to relevance. Summarizes how aboutness is defined in information retrieval models. Analyzes a model-theoretic definition of aboutness in an abstract setting using so called information fields. These allow properties of aboutness to be expressed independent of any given information retrieval model. Compares the Boolean and coordinate retrieval models. Employs preferential entailment and conditional probabilities to define aboutness between primitive information carriers. Highlights the nonmonotonic behaviour of aboutness under information composition. Analyzes a term aboutness definition drawn from a network based probabilistic framework. Draws conclusions about the implied retrieval effectiveness
Footnote
Contribution to a special issue on the application of artificial intelligence to information retrieval

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