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CP
2009
Springer
14 years 8 months ago
The Complexity of Valued Constraint Models
The Valued Constraint Satisfaction Problem (VCSP) is a general framework encompassing many optimisation problems. We discuss precisely what it means for a problem to be modelled in...
Peter G. Jeavons, Stanislav Zivný
ACL
1990
13 years 8 months ago
Structural Disambiguation with Constraint Propagation
We present a new grammatical formalism called Constraint Dependency Grammar (CDG) in which every grammatical rule is given as a constraint on wordto-word modifications. CDG parsin...
Hiroshi Maruyama
APPROX
2005
Springer
105views Algorithms» more  APPROX 2005»
14 years 1 months ago
The Complexity of Making Unique Choices: Approximating 1-in- k SAT
We study the approximability of 1-in-kSAT, the variant of Max kSAT where a clause is deemed satisfied when precisely one of its literals is satisfied. We also investigate differ...
Venkatesan Guruswami, Luca Trevisan
GECCO
2007
Springer
185views Optimization» more  GECCO 2007»
14 years 1 months ago
Enhanced forma analysis of permutation problems
Forma analysis provides an approach to formally derive domain specific operators based on domain-independent operator templates by manipulating a set of equivalence relations (i....
Tao Gong, Andrew Tuson
AIPS
2009
13 years 8 months ago
Extended Goals for Composing Services
The ability to automatically compose Web Services is critical for realising more complex functionalities. Several proposals to use automated planning to deal with the problem of s...
Eirini Kaldeli, Alexander Lazovik, Marco Aiello