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SEMWEB
2009
Springer
15 years 8 months ago
Queries to Hybrid MKNF Knowledge Bases through Oracular Tabling
An important issue for the Semantic Web is how to combine open-world ontology languages with closed-world (non-monotonic) rule paradigms. Several proposals for hybrid languages all...
José Júlio Alferes, Matthias Knorr, ...
TKDE
2008
195views more  TKDE 2008»
15 years 2 months ago
Learning a Maximum Margin Subspace for Image Retrieval
One of the fundamental problems in Content-Based Image Retrieval (CBIR) has been the gap between low-level visual features and high-level semantic concepts. To narrow down this gap...
Xiaofei He, Deng Cai, Jiawei Han
ODBIS
2007
Springer
157views Database» more  ODBIS 2007»
15 years 8 months ago
An Extension of SPARQL for RDFS
Abstract. RDF Schema (RDFS) extends RDF with a schema vocabulary with a predefined semantics. Evaluating queries which involve this vocabulary is challenging, and there is not yet...
Marcelo Arenas, Claudio Gutierrez, Jorge Pé...
119
Voted
ER
2004
Springer
119views Database» more  ER 2004»
15 years 7 months ago
OWL-Based Semantic Conflicts Detection and Resolution for Data Interoperability
Ontology provides sharing knowledge among different data sources which will help to clarify the semantics of information. OWL is being promoted as a standard for web ontology langu...
Changqing Li, Tok Wang Ling
UML
2001
Springer
15 years 6 months ago
An Execution Algorithm for UML Activity Graphs
We present a real-time execution semantics for UML activity graphs that is intended for workflow modelling. The semantics is defined in terms of execution algorithms that define...
Rik Eshuis, Roel Wieringa