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inactiveTopic INFORMATION RETRIEVAL SYSTEMS topic started 08.06.2001; 18:10:28
last post 08.06.2001; 18:10:28
Art & Language - INFORMATION RETRIEVAL SYSTEMS  blueArrow
08.06.2001; 18:10:28 (reads: 21680, responses: 0)
186 INFORMATION RETRIEVAL SYSTEMS There are two qualitative evaluative notions available for IR systems: precision and recall. Quantitatively they are represented by the number of items retrieved and relevant over total relevant items in the collection and the number of items retrieved and relevant over total retrieved in the collection, respectively.

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& Ambiguity 4; Practical 272, 273, 275;

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