369 search results - page 51 / 74 » Querying Distributed RDF Data Sources with SPARQL |
DASFAA
2003
IEEE
14 years 25 days ago
2003
IEEE
To integrate many data sources we use a peer mediator framework where views defined in the peers are logically composed in terms of each other. A common approach to execute queri...
DASFAA
2009
IEEE
14 years 2 months ago
2009
IEEE
In recent years, data provenance or lineage tracing which refers to the process of tracing the sources of data, data movement between databases, and annotations written for data ha...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
The Web has been rapidly “deepened” by myriad searchable databases online, where data are hidden behind query forms. Helping users query alternative “deep Web” sources in ...
IJCAI
1997
13 years 9 months ago
1997
Themost costly aspect of gathering information over the Internet is that of transferring data over the networkto answer the user’s query. Wemaketwo contributions in this paperth...
GIS
2002
ACM
13 years 7 months ago
2002
ACM
The proliferation of spatial data on the Internet is beginning to allow a much wider access to data currently available in various Geographic Information Systems (GIS). In order t...