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» The Theory of Grammar Constraints
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IPL
2000
94views more  IPL 2000»
15 years 6 months ago
On rewrite constraints and context unification
We show that stratified context unification, which is one of the most expressive fragments of context unification known to be decidable, is equivalent to the satisfiability proble...
Joachim Niehren, Sophie Tison, Ralf Treinen
AMAI
2002
Springer
15 years 6 months ago
A Complete Axiomatization for Blocks World
Blocks World (BW) has been one of the most popular model domains in AI history. However, there has not been serious work on axiomatizing the state constraints of BW and giving jus...
Stephen A. Cook, Yongmei Liu
COOPIS
2004
IEEE
15 years 10 months ago
CLP(Flex): Constraint Logic Programming Applied to XML Processing
In this paper we present an implementation of a constraint solving module, CLP(Flex), for dealing with unification in an equality theory for terms with flexible arity function symb...
Jorge Coelho, Mário Florido
CP
2005
Springer
15 years 11 months ago
Uncertainty in Soft Constraint Problems
Preferences and uncertainty occur in many real-life problems. The theory of possibility is one way of dealing with uncertainty, which allows for easy integration with fuzzy prefer...
Maria Silvia Pini, Francesca Rossi
VL
2005
IEEE
105views Visual Languages» more  VL 2005»
15 years 11 months ago
A Formal Approach to the Generation of Visual Language Environments Supporting Multiple Views
In this paper we present a formal approach, based on meta-modelling and graph transformation, to the generation of environments for visual languages (VLs) supporting multiple view...
Esther Guerra, Paloma Díaz, Juan de Lara