@inproceedings{2dd41b5d86184d069ae5bdeac14d0b75,
title = "Can search systems detect users' task difficulty? Some behavioral signals",
abstract = "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.",
keywords = "Dwell time, First dwell time, Queries, Task difficulty, Task type",
author = "Jingjing Liu and Chang Liu and Jacek Gwizdka and Belkin, {Nicholas J.}",
year = "2010",
doi = "10.1145/1835449.1835645",
language = "English (US)",
isbn = "9781605588964",
series = "SIGIR 2010 Proceedings - 33rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval",
pages = "845--846",
booktitle = "SIGIR 2010 Proceedings - 33rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval",
note = "33rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010 ; Conference date: 19-07-2010 Through 23-07-2010",
}