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AMW
2010
15 years 2 months ago
Query Rewriting under Non-Guarded Rules
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
Andrea Calì, Georg Gottlob, Andreas Pieris
IADIS
2004
15 years 2 months ago
Web server authorisation with the policyupdater access control system
The PolicyUpdater1 system is a generic access control system that provides policy evaluations and dynamic policy updates. These functions are achieved by the use of a logic-based ...
Vino Fernando Crescini, Yan Zhang, Weiyuan Wang
ENTCS
2008
79views more  ENTCS 2008»
15 years 1 months ago
j-POST: a Java Toolchain for Property-Oriented Software Testing
Abstract. j-POST is an integrated toolchain for property-oriented software testing. This toolchain includes a test designer, a test generator, and a test execution engine. The test...
Yliès Falcone, Laurent Mounier, Jean-Claude...
CSSE
2002
IEEE
15 years 1 months ago
A fault tolerant access to legacy database systems using CORBA technology
This work presents a software-implemented fault tolerance approach for building a reliable database application in a CORBA environment. Database applications have functional requi...
Domenico Cotroneo, Nicola Mazzocca, Luigi Romano, ...
ICLP
2007
Springer
15 years 7 months ago
DLVHEX-SPARQL: A SPARQL Compliant Query Engine Based on DLVHEX
This paper describes the dlvhex SPARQL plugin, a query processor for the upcoming Semantic Web query language standard by W3C. We report on the implementation of this languages usi...
Axel Polleres, Roman Schindlauer