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ESWS
2008
Springer
13 years 9 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
13 years 9 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»
12 years 11 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
14 years 1 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
14 years 8 hour 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