Compactness of Boolean Index Expressions.pdf

Compactness of Boolean Index Expressions . Wondergem, P. van Bommel, . van der puting Science Institute/ CSI-R9911 June puting Science Institute Nijmegen Faculty of Mathematics and Informatics Catholic University of Nijmegen Toernooiveld 1 6525 ED Nijmegen herlands Boolean Index Expressions Noun Prases Index Expressions Boolean Keywords Logical structure Linguistic Structure ???????????????????????????? Keywords Boolean Keywords Index expressions Boolean index expressions Noun phrases ???????????????????????????????????????????????????????????????????????????????????????????????????????????????? prehensibility pactness I3 I4 Result of zipping I1 2 pactness minimal maximal I I c J intelligent information retrieval agent-based information retrieval information retrieval for al information retrieval OR filtering "text and image retrieval" "filtering of text with images" "retrieval of text" "hypertext filtering system" Ranked Top-5 Documents "retrieval or filtering of text" AND Actions to modify query Delete Normalise Exclude Construct Phrase retrieval Profile and Query Constructor Hyperindex of direct environment BIE under construction of (retrieval or filtering) of (text and images) text images Refine Include synonym