Sciweavers

382 search results - page 15 / 77
» Logic Programs for Consistently Querying Data Integration Sy...
Sort
View
ESWS
2008
Springer
14 years 11 months ago
Exploring the Knowledge in Semi Structured Data Sets with Rich Queries
Semantics can be integrated in to search processing during both document analysis and querying stages. We describe a system that incorporates both, semantic annotations of Wikipedi...
Jürgen Umbrich, Sebastian Blohm
AMW
2010
14 years 11 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
CORR
2011
Springer
215views Education» more  CORR 2011»
14 years 1 months ago
A Foundational View on Integration Problems
The integration of reasoning and computation services across system and language boundaries has been mostly treated from an engineering perspective. In this paper we take a foundat...
Florian Rabe, Michael Kohlhase, Claudio Sacerdoti ...
CAISE
2004
Springer
15 years 3 months ago
Data Integration Using ID-Logic
Abstract. ID-Logic is a knowledge representation language that extends first-order logic with non-monotone inductive definitions. This paper introduces an ID-Logic based framewor...
Bert Van Nuffelen, Alvaro Cortés-Calabuig, ...
ASPLOS
1996
ACM
15 years 1 months ago
An Integrated Compile-Time/Run-Time Software Distributed Shared Memory System
On a distributed memory machine, hand-coded message passing leads to the most efficient execution, but it is difficult to use. Parallelizing compilers can approach the performance...
Sandhya Dwarkadas, Alan L. Cox, Willy Zwaenepoel