Can search systems detect users' task difficulty?: some behavioral signals

In this paper, we report findings on how user behaviors vary in tasks with different difficulty levels as well as of different types. Two behavioral signals: document dwell time and number of content pages viewed per query, were found to be able to help the system detect when users are working with difficult tasks. Categories and Subject Descriptors H.3.3 [Information Storage and Retrieval]: Information Search and Retrieval

• Type: Conference
• Year: 2010
• Where: SIGIR
• Authors: Jingjing Liu, Chang Liu, Jacek Gwizdka, Nicholas J. Belkin
• Keywords: Dwell Time, General Terms Performance, Information Technology, Keywords Dwell Time, SIGIR 2010