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| Long Query User Satisfaction Analysis Based on User Behaviors |
| ZHU Tong, LIU Yi-Qun, RU Li-Yun, MA Shao-Ping |
State Key Laboratory of Intelligent Technology and Systems,Beijing 100084
Tsinghua National Laboratory for Information Science and Technology,Beijing 100084
Department of Computer Science and Technology,Tsinghua University,Beijing 100084 |
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Abstract Performance evaluation is one of the most important issues in web search. Long queries contain much information which describes users information demand correctly. Thus, a long query search user satisfaction detection framework is proposed. The concept of user satisfaction is defined. The relevant user behavior features in user logs are extracted which are combined with Decision Tree and SVM to identify satisfactory or unsatisfactory queries. The experimental results on large scale practical search engine data show the effectiveness of the proposed framework. Furthermore, the classification accuracies of satisfactory and unsatisfactory queries reach 86% and 70%, respectively.
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Received: 13 October 2010
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2012, Vol. 25 
