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CHI
2004
ACM
14 years 8 months ago
The perfect search engine is not enough: a study of orienteering behavior in directed search
This paper presents a modified diary study that investigated how people performed personally motivated searches in their email, in their files, and on the Web. Although earlier st...
Jaime Teevan, Christine Alvarado, Mark S. Ackerman...
CHI
2001
ACM
14 years 8 months ago
Visual information foraging in a focus + context visualization
Eye tracking studies of the Hyperbolic Tree browser [10] suggest that visual search in focus+context displays is highly affected by information scent (i.e., local cues, such as te...
Peter Pirolli, Stuart K. Card, Mija M. Van Der Weg...
OSDI
2008
ACM
14 years 8 months ago
Probabilistic Inference in Queueing Networks
Although queueing models have long been used to model the performance of computer systems, they are out of favor with practitioners, because they have a reputation for requiring u...
Charles A. Sutton, Michael I. Jordan
VLDB
2004
ACM
144views Database» more  VLDB 2004»
14 years 8 months ago
Preserving mapping consistency under schema changes
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
Yannis Velegrakis, Renée J. Miller, Lucian Popa
PODS
2005
ACM
115views Database» more  PODS 2005»
14 years 8 months ago
A divide-and-merge methodology for clustering
We present a divide-and-merge methodology for clustering a set of objects that combines a top-down "divide" phase with a bottom-up "merge" phase. In contrast, ...
David Cheng, Santosh Vempala, Ravi Kannan, Grant W...