A probabilistic approach to information retrieval in systems with boolean search request formulations

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Abstract
Up to the present a number of theoretical approaches has been developed in order to improve the effectiveness and/or efficiency of information retrieval. However, most of the information retrieval methods based on these approaches have never passed the stage of purely theoretical investigation, and experimentation, if carried out at all, has been very limited in scale. A closer examination of current theoretical developments and the present practice of information retrieval reveals that a combination of the existing theory of probabilistic retrieval into a practical methodology based on Boolean searches would be very promising. Such an extension of the probabilistic approach to information retrieval is outlined.

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