How does search behavior change as search becomes more difficult?

Anne Aula, Rehan M. Khan, Zhiwei Guan. How does search behavior change as search becomes more difficult?. In Elizabeth D. Mynatt, Don Schoner, Geraldine Fitzpatrick, Scott E. Hudson, W. Keith Edwards, Tom Rodden, editors, Proceedings of the 28th International Conference on Human Factors in ComputingSystems, CHI 2010, Atlanta, Georgia, USA, April 10-15, 2010. pages 35-44, ACM, 2010. [doi]

@inproceedings{AulaKG10,
  title = {How does search behavior change as search becomes more difficult?},
  author = {Anne Aula and Rehan M. Khan and Zhiwei Guan},
  year = {2010},
  doi = {10.1145/1753326.1753333},
  url = {http://doi.acm.org/10.1145/1753326.1753333},
  tags = {search},
  researchr = {https://researchr.org/publication/AulaKG10},
  cites = {0},
  citedby = {0},
  pages = {35-44},
  booktitle = {Proceedings of the 28th International Conference on Human Factors in ComputingSystems, CHI 2010, Atlanta, Georgia, USA, April 10-15, 2010},
  editor = {Elizabeth D. Mynatt and Don Schoner and Geraldine Fitzpatrick and Scott E. Hudson and W. Keith Edwards and Tom Rodden},
  publisher = {ACM},
  isbn = {978-1-60558-929-9},
}