Extended boolean - PowerPoint PPT Presentation

The Boolean Model

The Boolean Model. Simple model based on set theory Queries specified as boolean expressions precise semantics neat formalism q = k a  (k b  k c ) Terms are either present or absent. Thus, w ij  {0,1} Consider q = k a  (k b  k c )

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CSA3080: Adaptive Hypertext Systems I

CSA3080: Adaptive Hypertext Systems I. Lecture 5: Information Retrieval I. Dr. Christopher Staff Department of Computer Science &amp; AI University of Malta. Aims and Objectives. Aims and objectives of IR Boolean, Extended Boolean, Statistical Models. Aims and Objectives.

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CSA3080: Adaptive Hypertext Systems I

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