Enhancing expert search through query modeling

Authors:
Pavel Serdyukov;Sergey Chernov;Wolfgang Nejdl
Affiliations:
Database Group, University of Twente, Enschede, The Netherlands;L3S, University of Hannover, Hannover, Germany;L3S, University of Hannover, Hannover, Germany
Venue:
ECIR'07 Proceedings of the 29th European conference on IR research
Year:
2007

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Abstract

An expert finding is a very common task among enterprise search activities, while its usual retrieval performance is far from the quality of the Web search. Query modeling helps to improve traditional document retrieval, so we propose to apply it in a new setting. We adopt a general framework of language modeling for expert finding. We show how expert language models can be used for advanced query modeling. A preliminary experimental evaluation on TREC Enterprise Track 2006 collection shows that our method improves the retrieval precision on the expert finding task.