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|All Authors / Contributors:||
Tak W Yan; Hector Garcia-Molina; Stanford University. Computer Science Department.
|Description:||33 pages : illustrations ; 28 cm.|
|Series Title:||Report (Stanford University. Computer Science Department), STAN- CS-93-1494.|
|Responsibility:||by Tak W. Yan and Hector Garcia-Molina.|
We apply the idea of the standard inverted index to index user profiles. We devise an alternative to the standard inverted index, in which we, instead of indexing every term in a profile, select only the significant ones to index. We evaluate their performance and show that the indexing methods require orders of magnitude fewer I/Os to process a document than when no index is used. We also show that the proposed alternative performs better in terms of I/O and CPU processing time in many cases."