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...
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...
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...
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...
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...