Sciweavers

1095 search results - page 50 / 219
» Preprocessing of Intractable Problems
Sort
View
SAT
2005
Springer
145views Hardware» more  SAT 2005»
14 years 3 months ago
A New Approach to Model Counting
We introduce ApproxCount, an algorithm that approximates the number of satisfying assignments or models of a formula in propositional logic. Many AI tasks, such as calculating degr...
Wei Wei, Bart Selman
UC
2005
Springer
14 years 3 months ago
On Computational Complexity of Counting Fixed Points in Symmetric Boolean Graph Automata
Abstract. We study computational complexity of counting the fixed point configurations (FPs) in certain classes of graph automata viewed as discrete dynamical systems. We prove t...
Predrag T. Tosic, Gul A. Agha
CP
2006
Springer
14 years 1 months ago
The ROOTS Constraint
A wide range of counting and occurrence constraints can be specified with just two global primitives: the Range constraint, which computes the range of values used by a sequence of...
Christian Bessière, Emmanuel Hebrard, Brahi...
DLOG
2007
14 years 12 days ago
Expressing DL-Lite Ontologies with Controlled English
In this paper we deal with the problem of providing natural language front-ends to databases upon which an ontology layer has been added. Specifically, we are interested in expres...
Raffaella Bernardi, Diego Calvanese, Camilo Thorne
TSP
2008
151views more  TSP 2008»
13 years 10 months ago
Convergence Analysis of Reweighted Sum-Product Algorithms
Markov random fields are designed to represent structured dependencies among large collections of random variables, and are well-suited to capture the structure of real-world sign...
Tanya Roosta, Martin J. Wainwright, Shankar S. Sas...