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

Jingjing Liu, Chang Liu, Jacek Gwizdka, Nicholas J. Belkin. Can search systems detect users task difficulty?: some behavioral signals. In Fabio Crestani, Stéphane Marchand-Maillet, Hsin-Hsi Chen, Efthimis N. Efthimiadis, Jacques Savoy, editors, Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010. pages 845-846, ACM, 2010. [doi]

@inproceedings{LiuLGB10,
  title = {Can search systems detect users  task difficulty?: some behavioral signals},
  author = {Jingjing Liu and Chang Liu and Jacek Gwizdka and Nicholas J. Belkin},
  year = {2010},
  doi = {10.1145/1835449.1835645},
  url = {http://doi.acm.org/10.1145/1835449.1835645},
  tags = {search},
  researchr = {https://researchr.org/publication/LiuLGB10},
  cites = {0},
  citedby = {0},
  pages = {845-846},
  booktitle = {Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010},
  editor = {Fabio Crestani and Stéphane Marchand-Maillet and Hsin-Hsi Chen and Efthimis N. Efthimiadis and Jacques Savoy},
  publisher = {ACM},
  isbn = {978-1-4503-0153-4},
}