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» An RDF Query Language based on Logic Programming
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114
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AMW
2010
15 years 4 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
154
Voted
CLIMA
2004
15 years 4 months ago
Weighted Multi Dimensional Logic Programs
Abstract. We introduce a logical framework suitable to formalize structures of epistemic agents. Such a framework is based on the notion of weighted directed acyclic graphs (WDAGs)...
Pierangelo Dell'Acqua
124
Voted
DEDUCTIVE
1994
119views Database» more  DEDUCTIVE 1994»
15 years 4 months ago
Determining Correct View Update Translations via Query Containment
Given an intensional database (IDB) and an extension database (EDB), the view update problem translates updates on the IDB into updates on the EDB. One approach to the view update...
Anthony Tomasic
119
Voted
APLAS
2004
ACM
15 years 6 months ago
History Effects and Verification
This paper shows how type effect systems can be combined with model-checking techniques to produce powerful, automatically verifiable program logics for higher-order programs. The ...
Christian Skalka, Scott F. Smith
121
Voted
JOT
2010
108views more  JOT 2010»
15 years 1 months ago
Extending Scala with Database Query Capability
Abstract The integration of database and programming languages is difficult due to the different data models and type systems prevalent in each field. We present a solution wher...
Miguel Garcia, Anastasia Izmaylova, Sibylle Schupp