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ICALP
2009
Springer
16 years 7 months ago
Fast FAST
We present a randomized subexponential time, polynomial space parameterized algorithm for the k-Weighted Feedback Arc Set in Tournaments (k-FAST) problem. We also show that our alg...
Noga Alon, Daniel Lokshtanov, Saket Saurabh
CP
2007
Springer
16 years 29 days ago
A Compression Algorithm for Large Arity Extensional Constraints
We present an algorithm for compressing table constraints representing allowed or disallowed tuples. This type of constraint is used for example in configuration problems, where t...
George Katsirelos, Toby Walsh
CP
2004
Springer
16 years 5 days ago
How Much Backtracking Does It Take to Color Random Graphs? Rigorous Results on Heavy Tails
Many backtracking algorithms exhibit heavy-tailed distributions, in which their running time is often much longer than their median. We analyze the behavior of two natural variant...
Haixia Jia, Cristopher Moore
ITS
2004
Springer
130views Multimedia» more  ITS 2004»
16 years 4 days ago
Opening the Door to Non-programmers: Authoring Intelligent Tutor Behavior by Demonstration
Abstract. Intelligent tutoring systems are quite difficult and time intensive to develop. In this paper, we describe a method and set of software tools that ease the process of cog...
Kenneth R. Koedinger, Vincent Aleven, Neil T. Heff...
CSFW
2003
IEEE
16 years 2 days ago
Probabilistic Noninterference through Weak Probabilistic Bisimulation
To be practical, systems for ensuring secure information flow must be as permissive as possible. To this end, the author recently proposed a type system for multi-threaded progra...
Geoffrey Smith