David J. Bell, Ian Ruthven. Searcher s Assessments of Task Complexity for Web Searching. In Sharon McDonald, John Tait, editors, Advances in Information Retrieval, 26th European Conference on IR Research, ECIR 2004, Sunderland, UK, April 5-7, 2004, Proceedings. Volume 2997 of Lecture Notes in Computer Science, pages 57-71, Springer, 2004. [doi]
Abstract is missing.