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DILS
2006
Springer
13 years 11 months ago
On Querying OBO Ontologies Using a DAG Pattern Query Language
The Open Biomedical Ontologies (OBO) is a consortium that serves as a repository of ontologies that are structured like directed acyclic graphs. In this paper we present a language...
Amarnath Gupta, Simone Santini
FQAS
2009
Springer
202views Database» more  FQAS 2009»
14 years 1 months ago
Controlled Aggregate Tree Shaped Questions over Ontologies
Abstract. Controlled languages (CLs) are ambiguity-free subsets of natural languages such as English offering a good trade-off between the formal rigor of ontology and query langua...
Camilo Thorne, Diego Calvanese
NGITS
1995
Springer
13 years 11 months ago
A History-Oriented Temporal SQL Extension
Dozens of temporal extension of the relational data model and of the query language SQL have appeared in recent years. Recently, a committee formed by researchers from the academi...
Fabio Grandi, Maria Rita Scalas, Paolo Tiberio
SAC
2009
ACM
14 years 1 days ago
SWOBE - embedding the semantic web languages RDF, SPARQL and SPARUL into java for guaranteeing type safety, for checking the sat
The Semantic Web and its technologies become increasingly important. As more and more Semantic Web applications are being used, developing more stable Semantic Web applications be...
Sven Groppe, Jana Neumann, Volker Linnemann
ESWS
2010
Springer
13 years 6 months ago
Modeling and Querying Metadata in the Semantic Sensor Web: The Model stRDF and the Query Language stSPARQL
Abstract. RDF will often be the metadata model of choice in the Semantic Sensor Web. However, RDF can only represent thematic metadata and needs to be extended if we want to model ...
Manolis Koubarakis, Kostis Kyzirakos