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» Can search systems detect users' task difficulty
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SIGIR
2010
ACM
13 years 4 months ago
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 a...
Jingjing Liu, Chang Liu, Jacek Gwizdka, Nicholas J...
HICSS
2009
IEEE
92views Biometrics» more  HICSS 2009»
13 years 11 months ago
Task Behaviors During Web Search: The Difficulty of Assigning Labels
By examining searcher behavior on a large search engine, we have identified seven basic kinds of task behaviors that can be observed in web search session logs. In the studies rep...
Daniel M. Russell, Diane Tang, Melanie Kellar, Rob...
IPM
2008
139views more  IPM 2008»
13 years 4 months ago
Users can change their web search tactics: Design guidelines for categorized overviews
Categorized overviews of web search results are a promising way to support user exploration, understanding, and discovery. These search interfaces combine a metadata-based overvie...
Bill Kules, Ben Shneiderman
ECIR
2006
Springer
13 years 6 months ago
Can a Workspace Help to Overcome the Query Formulation Problem in Image Retrieval?
We have proposed a novel image retrieval system that incorporates a workspace where users can organise their search results. A task-oriented and usercentred experiment has been dev...
Jana Urban, Joemon M. Jose
RIAO
2004
13 years 6 months ago
Monitoring User-System Performance in Interactive Retrieval Tasks
Monitoring user-system performance in interactive search is a challenging task. Traditional measures of retrieval evaluation, based on recall and precision, are not of any use in ...
Liudmila V. Boldareva, Arjen P. de Vries, Djoerd H...