Slide 11 QUERY AND DOCUMENT EXPANSION IN TEXT RETRIEVAL Clara Isabel Cabezas University of Maryland College Park May, 2 nd 2000 Slide 2 2 1.- Definition 2.- Query expansion…
Slide 1 1 Advanced information retrieval Chapter. 05: Query Reformulation Slide 2 2 Outline 1. Basic concept 2. Query refinement through relevance feedback 3. Query expansion…