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» A New Reduction from 3SAT to n-Partite Graphs
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FOCI
2007
IEEE
13 years 10 months ago
A New Reduction from 3SAT to n-Partite Graphs
— The Constraint Satisfaction Problem (CSP) is one of the most prominent problems in artificial intelligence, logic, theoretical computer science, engineering and many other are...
Daniel J. Hulme, Robin Hirsch, Bernard F. Buxton, ...
COMPGEOM
2006
ACM
13 years 10 months ago
Minimum weight triangulation is NP-hard
A triangulation of a planar point set S is a maximal plane straight-line graph with vertex set S. In the minimum weight triangulation (MWT) problem, we are looking for a triangula...
Wolfgang Mulzer, Günter Rote
CSL
2004
Springer
13 years 4 months ago
Arc minimization in finite-state decoding graphs with cross-word acoustic context
Recent approaches to large vocabulary decoding with finite state graphs have focused on the use of state minimization algorithms to produce relatively compact graphs. This paper e...
François Yvon, Geoffrey Zweig, George Saon
JAIR
2007
132views more  JAIR 2007»
13 years 4 months ago
New Inference Rules for Max-SAT
Exact Max-SAT solvers, compared with SAT solvers, apply little inference at each node of the proof tree. Commonly used SAT inference rules like unit propagation produce a simpli...
Chu Min Li, Felip Manyà, Jordi Planes
CIAC
2003
Springer
110views Algorithms» more  CIAC 2003»
13 years 9 months ago
Maximizing the Guarded Boundary of an Art Gallery Is APX-Complete
In the Art Gallery problem, given is a polygonal gallery and the goal is to guard the gallery’s interior or walls with a number of guards that must be placed strategically in the...
Euripides Markou, Stathis Zachos, Christodoulos Fr...