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PODS
2010
ACM
197views Database» more  PODS 2010»
14 years 11 months ago
When data dependencies over SQL tables meet the logics of paradox and S-3
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
Sven Hartmann, Sebastian Link
CCS
2010
ACM
14 years 11 months ago
The security of modern password expiration: an algorithmic framework and empirical analysis
This paper presents the first large-scale study of the success of password expiration in meeting its intended purpose, namely revoking access to an account by an attacker who has ...
Yinqian Zhang, Fabian Monrose, Michael K. Reiter
96
Voted
GLVLSI
2010
IEEE
168views VLSI» more  GLVLSI 2010»
14 years 11 months ago
A revisit to voltage partitioning problem
We revisit voltage partitioning problem when the mapped voltages of functional units are predetermined. If energy consumption is estimated by formulation E = CV 2 , a published wo...
Tao Lin, Sheqin Dong, Bei Yu, Song Chen, Satoshi G...
SMA
2010
ACM
181views Solid Modeling» more  SMA 2010»
14 years 11 months ago
Merging and smoothing machining boundaries on cutter location surfaces
In region machining, neighbouring regions may be close together, but disconnected. Boundary curves may also have unwanted geometric artifacts caused by approximation and discretis...
Weishi Li, Ralph R. Martin, Frank C. Langbein
109
Voted
MM
2010
ACM
140views Multimedia» more  MM 2010»
14 years 11 months ago
Enriching audio-visual chat with conversation-based image retrieval and display
This paper presents the results of a user study carried out to evaluate an application prototype in which an audio-visual chat conversation between two users is augmented by pictu...
Jeroen Vanattenhoven, Christof van Nimwegen, Matth...