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Predicting Query Performance in Intranet Search

By Iadh Ounis Ben He Craig Macdonald

Abstract

The issue of query performance prediction has been studied in the context of text retrieval and Web search. In this paper, we investigate this issue in an intranet environment. The collection used is a crawl of the dcs.gla.ac.uk domain, and the queries are logged from the domain search engine, which is powered by the Terrier platform. We propose an automatic evaluation methodology generating the mean average precision of each query by cross-comparing the output of diverse search engines. We measure the correlation of two pre-retrieval predictors with mean average precision, which is obtained by our proposed evaluation methodology. Results show that the predictors are very effective for 1 and 2-term queries, which are the majority of the real queries in the intranet environment

Topics: Evaluation, Intranet Search, Query Performance Prediction
Year: 2005
OAI identifier: oai:CiteSeerX.psu:10.1.1.134.2065
Provided by: CiteSeerX
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