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Weaving the Pedantic Web
(CEUR, 2010)
Over a decade after RDF has been published as a W3C recommendation, publishing open and machine-readable content on the Web has recently received a lot more attention, including from corporate and governmental bodies; ...
On the efficiency of joining group patterns in SPARQL queries
(2010)
In SPARQL, conjunctive queries are expressed by using shared variables across sets of triple patterns, also called basic graph patterns. Based on this characterization, basic graph patterns in a SPARQL query can be ...
Towards Dataset Dynamics: Change Frequency of Linked Open Data Sources
(CEUR, 2010)
Datasets in the LOD cloud are far from being static in their nature and how they are exposed. As resources are added and new links are set, applications consuming the data should be able to deal with these changes. In ...
Embedding non-ground logic programs into autoepistemic logic for knowledge base combination
(2011)
In the context of the Semantic Web, several approaches to the combination of ontologies, given in terms of theories of classical first-order logic and rule bases, have been proposed. They either cast rules into classical ...