... on demand via protocol and RDF query language (SPARQL) queries. An approach is demonstrated that can help to identify suitable virtual property candidates. Virtual properties can be realized as integral functionality of generic, frame-based UIs, which can automatically provide views and masks for viewing...

... on evaluating SPARQL qualitative preference queries over user preferences in SPARQL. Design/methodology/approach The paper outlines a novel approach for handling SPARQL preference queries by representing preferences through symbolic weights using the possibilistic logic (PL) framework. This approach allows...

... and integrated it into a knowledge graph that could be queried with SPARQL and visualized with the Gruff tool in AllegroGraph. Design/methodology/approach The knowledge graph was designed with the Web Ontology Language. The methodology was a hybrid approach integrating the YAMO methodology for ontology...

...Faisal Alkhateeb; Jerome Euzenat Purpose – The paper aims to discuss extensions of SPARQL that use regular expressions to navigate RDF graphs and may be used to answer queries considering RDFS semantics (in particular, nSPARQL and our proposal CPSPARQL). Design/methodology/approach...

... workload in order to achieve an optimized performance for the query processing of RDF queries. © Emerald Group Publishing Limited 2012 Data management Query languages Resource description framework SPARQL Query processing The Semantic Web term is coined by the W3C founder...