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» Database to Semantic Web Mapping Using RDF Query Languages
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DEXAW
2007
IEEE
128views Database» more  DEXAW 2007»
13 years 11 months ago
Sharing Data on the Grid using Ontologies and distributed SPARQL Queries
The vision of the Semantic Web is to make Web content machine-readable. To describe data, the Resource Description Framework has been extended with a schema-level and description ...
Andreas Langegger, Martin Blöchl, Wolfram W&o...
SIGMOD
2010
ACM
155views Database» more  SIGMOD 2010»
13 years 6 months ago
Querying RDF streams with C-SPARQL
Continuous SPARQL (C-SPARQL) is a new language for continuous queries over streams of RDF data. CSPARQL queries consider windows, i.e., the most recent triples of such streams, ob...
Davide Francesco Barbieri, Daniele Braga, Stefano ...
GVD
2004
94views Database» more  GVD 2004»
13 years 9 months ago
MIWeb: Mediator-based Integration of Web Sources
MIWeb realizes a mediator-based integration of heterogeneous metadata sources over the Web. Mediators are well known from database integration. They improve the quality of search ...
Susanne Busse, Thomas Kabisch
PSSS
2003
13 years 9 months ago
DLDB: Extending Relational Databases to Support Semantic Web Queries
Abstract: We present DLDB, a knowledge base system that extends a relational database management system with additional capabilities for DAML+OIL inference. We discuss a number of ...
Zhengxiang Pan, Jeff Heflin
SEMWEB
2005
Springer
14 years 1 months ago
BRAHMS: A WorkBench RDF Store and High Performance Memory System for Semantic Association Discovery
Discovery of semantic associations in Semantic Web ontologies is an important task in various analytical activities. Several query languages and storage systems have been designed ...
Maciej Janik, Krys Kochut