369 search results - page 23 / 74 » Querying Distributed RDF Data Sources with SPARQL |
SIGMOD
2000
ACM
14 years 10 hour ago
2000
ACM
We present MOCHA, a new self-extensible database middleware system designed to interconnect distributed data sources. MOCHA is designed to scale to large environments and is based...
BMCBI
2010
13 years 7 months ago
2010
Background: Biomedical research is set to greatly benefit from the use of semantic web technologies in the design of computational infrastructure. However, beyond well defined res...
TSC
2010
13 years 2 months ago
2010
Data-Providing (DP) services allow query-like access to organizations' data via web services. The invocation of a DP service results in the execution of a query over data sour...
DEXA
2004
Springer
14 years 1 months ago
2004
Springer
Data integration is a significant challenge: relevant data objects are split across multiple information sources, and often owned by different organizations. The sources represent...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
This paper focuses on the problem of improving distributed query throughput of the RDBMS-based data integration system that has to inherit the query execution model of the underly...