Sciweavers

16 search results - page 3 / 4
» Semantic Query Optimisation and Rule Graphs
Sort
View
ICCS
2009
Springer
14 years 2 months ago
Distinguishing Answers in Conceptual Graph Knowledge Bases
Abstract. In knowledge bases, the open world assumption and the ability to express variables may lead to an answer redundancy problem. This problem occurs when the returned answers...
Nicolas Moreau, Michel Leclère, Madalina Cr...
EKAW
2004
Springer
14 years 28 days ago
Graph-Based Acquisition of Expressive Knowledge
Capturing and exploiting knowledge is at the heart of several important problems such as decision making, the semantic web, and intelligent agents. The captured knowledge must be a...
Vinay K. Chaudhri, Kenneth S. Murray, John Pacheco...
GG
2008
Springer
13 years 8 months ago
Transformation-Based Operationalization of Graph Languages
Graph Languages1 emerged during the seventies from the necessity to process data structures with complex interrelations. Nowadays, various variants of these languages can be found...
Erhard Weinell
ICDE
2010
IEEE
206views Database» more  ICDE 2010»
13 years 9 months ago
HECATAEUS: Regulating Schema Evolution
HECATAEUS is an open-source software tool for enabling impact prediction, what-if analysis, and regulation of relational database schema evolution. We follow a graph theoretic appr...
George Papastefanatos, Panos Vassiliadis, Alkis Si...
SEMWEB
2009
Springer
14 years 2 months ago
Coloring RDF Triples to Capture Provenance
Abstract. Recently, the W3C Linking Open Data effort has boosted the publication and inter-linkage of large amounts of RDF datasets on the Semantic Web. Various ontologies and know...
Giorgos Flouris, Irini Fundulaki, Panagiotis Pedia...