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Characterizing search intent diversity into click models

8 years 6 months ago
Characterizing search intent diversity into click models
Modeling a user’s click-through behavior in click logs is a challenging task due to the well-known position bias problem. Recent advances in click models have adopted the examination hypothesis which distinguishes document relevance from position bias. In this paper, we revisit the examination hypothesis and observe that user clicks cannot be completely explained by relevance and position bias. Specifically, users with different search intents may submit the same query to the search engine but expect different search results. Thus, there might be a bias between user search intent and the query formulated by the user, which can lead to the diversity in user clicks. This bias has not been considered in previous works such as UBM, DBN and CCM. In this paper, we propose a new intent hypothesis as a complement to the examination hypothesis. This hypothesis is used to characterize the bias between the user search intent and the query in each search session. This hypothesis is very gene...
Botao Hu, Yuchen Zhang, Weizhu Chen, Gang Wang, Qi
Added 15 May 2011
Updated 15 May 2011
Type Journal
Year 2011
Where WWW
Authors Botao Hu, Yuchen Zhang, Weizhu Chen, Gang Wang, Qiang Yang
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