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LPNMR
1997
Springer
14 years 1 months ago
Computing Non-Ground Representations of Stable Models
Turi [20] introduced the important notion of a constrained atom: an atom with associated equality and disequality constraints on its arguments. A set of constrained atoms is a cons...
Thomas Eiter, James J. Lu, V. S. Subrahmanian
FM
2009
Springer
124views Formal Methods» more  FM 2009»
14 years 3 months ago
An Incremental Approach to Scope-Bounded Checking Using a Lightweight Formal Method
We present a novel approach to optimize scope-bounded checking programs using a relational constraint solver. Given a program and its correctness specification, the traditional app...
Danhua Shao, Sarfraz Khurshid, Dewayne E. Perry
PODS
2010
ACM
197views Database» more  PODS 2010»
13 years 9 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
CORR
2010
Springer
136views Education» more  CORR 2010»
13 years 6 months ago
Schaefer's theorem for graphs
Schaefer's theorem is a complexity classification result for so-called Boolean constraint satisfaction problems: it states that every Boolean constraint satisfaction problem ...
Manuel Bodirsky, Michael Pinsker
CP
2009
Springer
14 years 9 months ago
Exploiting Problem Structure for Solution Counting
This paper deals with the challenging problem of counting the number of solutions of a CSP, denoted #CSP. Recent progress have been made using search methods, such as BTD [15], whi...
Aurélie Favier, Philippe Jégou, Simo...