Lexical analysis for modeling web query reformulation

Authors:
Alessandro Bozzon;Paul - Alexandru Chirita;Claudiu S. Firan;Wolfgang Nejdl
Affiliations:
Politecnico di Milano, Como, Italy;L3S Research Center, Hannover, Germany;L3S Research Center, Hannover, Germany;L3S Research Center, Hannover, Germany
Venue:
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
Year:
2007

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Abstract

Modeling Web query reformulation processes is still an unsolved problem. In this paper we argue that lexical analysis is highly beneficial for this purpose. We propose to use the variation in Query Clarity, as well as the Part-Of-Speech pattern transitions as indicators of user's search actions. Experiments with a log of 2.4 million queries showed our techniques to be more flexible than the current approaches, while also providing us with interesting insights into user's Web behavioral patterns.