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PODS
2005
ACM
151views Database» more  PODS 2005»
16 years 4 months ago
Estimating arbitrary subset sums with few probes
Suppose we have a large table T of items i, each with a weight wi, e.g., people and their salary. In a general preprocessing step for estimating arbitrary subset sums, we assign e...
Noga Alon, Nick G. Duffield, Carsten Lund, Mikkel ...
162
Voted
ICSE
2005
IEEE-ACM
16 years 4 months ago
Verification and change-impact analysis of access-control policies
Sensitive data are increasingly available on-line through the Web and other distributed protocols. This heightens the need to carefully control access to data. Control means not o...
Kathi Fisler, Shriram Krishnamurthi, Leo A. Meyero...
WSDM
2010
ACM
160views Data Mining» more  WSDM 2010»
16 years 1 months ago
Learning Concept Importance Using a Weighted Dependence Model
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...
Michael Bendersky, Donald Metzler, W. Bruce Croft
IUI
2010
ACM
16 years 1 months ago
The why UI: using goal networks to improve user interfaces
People interact with interfaces to accomplish goals, and knowledge about human goals can be useful for building intelligent user interfaces. We suggest that modeling high, human-l...
Dustin Arthur Smith, Henry Lieberman
CHI
2010
ACM
15 years 11 months ago
Social network activity and social well-being
Previous research has shown a relationship between use of social networking sites and feelings of social capital. However, most studies have relied on self-reports by college stud...
Moira Burke, Cameron Marlow, Thomas M. Lento
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