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FASE
2008
Springer
14 years 12 months ago
A Logic of Graph Constraints
Abstract. Graph constraints were introduced in the area of graph transformation, in connection with the notion of (negative) application conditions, as a form to limit the applicab...
Fernando Orejas, Hartmut Ehrig, Ulrike Prange
104
Voted
GVD
2004
111views Database» more  GVD 2004»
14 years 11 months ago
Detecting Logical Errors in SQL Queries
Abstract. Checking the consistency of query conditions is an old problem, and there are already many proposed solutions. Since the problem is in general undecidable, there is not a...
Stefan Brass, Christian Goldberg
CAI
2006
Springer
14 years 10 months ago
A Logical Framework for Identifying and Explaining Unexpected News
The number of news reports published online is now so great that it is impossible for any person to read all of them. Not all of these reports are equally interesting. Automating ...
Emma Byrne
LICS
2010
IEEE
14 years 8 months ago
Datalog+/-: A Family of Logical Knowledge Representation and Query Languages for New Applications
Abstract--This paper summarizes results on a recently introduced family of Datalog-based languages, called Datalog+/-, which is a new framework for tractable ontology querying, and...
Andrea Calì, Georg Gottlob, Thomas Lukasiew...
102
Voted
JCST
2010
153views more  JCST 2010»
14 years 5 months ago
Model Failure and Context Switching Using Logic-Based Stochastic Models
Abstract We define a notion of context that represents invariant, stable-over-time behavior in an environment and we propose an algorithm for detecting context changes in a stream ...
Nikita A. Sakhanenko, George F. Luger