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ICLP
2005
Springer
15 years 3 months ago
HYPROLOG: A New Logic Programming Language with Assumptions and Abduction
We present HYPROLOG, a novel integration of Prolog with assumptions and abduction which is implemented in and partly borrows syntax from Constraint Handling Rules (CHR) for integri...
Henning Christiansen, Verónica Dahl
ICLP
2005
Springer
15 years 3 months ago
A Type System for CHR
Abstract. We propose a generic type system for the Constraint Handling Rules (CHR), a rewriting rule language for implementing constraint solvers. CHR being a high-level extension ...
Emmanuel Coquery, François Fages
SDB
1995
95views Database» more  SDB 1995»
15 years 1 months ago
Semantics of Database Transformations
Database transformations arise in many di erent settings including database integration, evolution of database systems, and implementing user views and data-entry tools. This paper...
Peter Buneman, Susan B. Davidson, Anthony Kosky
AIMSA
2008
Springer
15 years 4 days ago
DynABT: Dynamic Asynchronous Backtracking for Dynamic DisCSPs
Abstract. Constraint Satisfaction has been widely used to model static combinatorial problems. However, many AI problems are dynamic and take place in a distributed environment, i....
Bayo Omomowo, Inés Arana, Hatem Ahriz
PODS
2010
ACM
197views Database» more  PODS 2010»
14 years 10 months ago
When data dependencies over SQL tables meet the logics of paradox and S-3
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
Sven Hartmann, Sebastian Link