Situational relevance

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Abstract

The concept of situational relevance is introduced, based on W. S. Cooper's definition of logical relevance, on the notion of evidential relevance drawn from inductive logic, on the notions of a personal stock of knowledge and a set of personal concerns, the latter explained in terms of preferences over ranges of alternatives. Situationally relevant items of information are those that answer, or logically help to answer, questions of concern. Significant situationally relevant information is explained in terms of changes of view in relation to questions of concern. It is claimed that situational relevance is an explication of the ordinary notion of practical relevance, and that it is the appropriate relevance concept to use in evaluation of systems supplying practically relevant information.

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