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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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1.11k views • 32 slides

CSA3080: Adaptive Hypertext Systems I

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

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349 views • 21 slides

CSA3080: Adaptive Hypertext Systems I

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214 views • 21 slides

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Extended boolean - PowerPoint PPT Presentation

The Boolean Model

CSA3080: Adaptive Hypertext Systems I

CSA3080: Adaptive Hypertext Systems I