369 search results - page 45 / 74 » Querying Distributed RDF Data Sources with SPARQL |
IQ
2007
13 years 9 months ago
2007
: Integrated access to distributed data is an important problem faced in many scientific and commercial applications. A data integration system provides a unified view for users to...
CIKM
2010
Springer
13 years 5 months ago
2010
Springer
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
Maintaining statistics on multidimensional data distributions is crucial for predicting the run-time and result size of queries and data analysis tasks with acceptable accuracy. To...
COOPIS
2003
IEEE
14 years 27 days ago
2003
IEEE
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
Multi-join queries are the core of any integration service that integrates data from multiple distributed data sources. Due to the large number of data sources and possibly high v...