Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/39904
Title: Improving weak ad-hoc queries using wikipedia as external corpus
Authors: Li, Y
Luk, RWP 
Ho, EKS
Chung, KFL 
Keywords: Pseudo-relevance feedback
External corpus
Wikipedia
Issue Date: 2007
Source: SIGIR '07 Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, Netherlands, July 2007, p. 797-798 How to cite?
Abstract: In an ad-hoc retrieval task, the query is usually short and the user expects to find the relevant documents in the first several result pages. We explored the possibilities of using Wikipedia's articles as an external corpus to expand ad-hoc queries. Results show promising improvements over measures that emphasize on weak queries.
URI: http://hdl.handle.net/10397/39904
ISBN: 978-1-59593-597-7
DOI: 10.1145/1277741.1277914
Appears in Collections:Conference Paper

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