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POPL
2000
ACM
13 years 11 months ago
Transforming Out Timing Leaks
It has been shown that secret information can be leaked to external observers through covert timing channels. In this paper we are concerned with a kind of timing attack that want...
Johan Agat
CSR
2007
Springer
14 years 1 months ago
Ruling Out Polynomial-Time Approximation Schemes for Hard Constraint Satisfaction Problems
The maximum constraint satisfaction problem (Max CSP) is the following computational problem: an instance is a finite collection of constraints on a set of variables, and the goal...
Peter Jonsson, Andrei A. Krokhin, Fredrik Kuivinen
MM
1994
ACM
101views Multimedia» more  MM 1994»
13 years 11 months ago
Video Mosaic: Laying Out Time in a Physical Space
Paper video storyboards are still in use by even very experienced video producers with access to the most advanced video editing software. An analysis of the characteristics of pa...
Wendy E. Mackay, Daniele Pagani
EDM
2008
110views Data Mining» more  EDM 2008»
13 years 9 months ago
A Response Time Model For Bottom-Out Hints as Worked Examples
Students can use an educational system's help in unexpected r example, they may bypass abstract hints in search of a concrete solution. This behavior has traditionally been la...
Benjamin Shih, Kenneth R. Koedinger, Richard Schei...
AAAI
2006
13 years 8 months ago
Focused Real-Time Dynamic Programming for MDPs: Squeezing More Out of a Heuristic
Real-time dynamic programming (RTDP) is a heuristic search algorithm for solving MDPs. We present a modified algorithm called Focused RTDP with several improvements. While RTDP ma...
Trey Smith, Reid G. Simmons