UCLA-Okapi at TREC-2: Query Expansion Experiments (1994)
| Venue: | In Proceedings of the Second Text Retrieval Conference |
| Citations: | 18 - 0 self |
BibTeX
@INPROCEEDINGS{Efthimiadis94ucla-okapiat,
author = {Efthimis N. Efthimiadis and Paul V. Biron},
title = {UCLA-Okapi at TREC-2: Query Expansion Experiments},
booktitle = {In Proceedings of the Second Text Retrieval Conference},
year = {1994},
pages = {500--215}
}
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Abstract
Introduction This is the first participation of the Graduate School of Library and Information Science, University of California at Los Angeles in the TREC Conference. For TREC--2, Category B, UCLA used a version of the Okapi text retrieval system that was made available to UCLA by City University, London, UK. OKAPI has been described in TREC1 (Robertson, Walker, Hancock-Beaulieu, Gull & Lau, 1993a) as well as in this conference (Robertson, Walker, Jones, Hancock-Beaulieu, & Gatford, 1994) . Okapi is a simple set-oriented system based on a generalized probabilistic model with facilities for relevance feedback. In addition OKAPI supports a full range of deterministic Boolean and quasi-Boolean operations. 1.1 Objectives The main research objective of the UCLA participation in TREC--2 was to investigate query expansion within the framework as provided by Okapi. More specifically, the objectives were to: ffl use an enhanced version of the Go-See-Li
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