369 search results - page 8 / 74 » Querying Distributed RDF Data Sources with SPARQL |
ESWS
2009
Springer
14 years 2 months ago
2009
Springer
More and more applications use the RDF framework as their data model and RDF stores to index and retrieve their data. Many of these applications require both structured queries as ...
HT
2007
ACM
13 years 11 months ago
2007
ACM
The design and maintenance of an aero-engine generates a significant amount of documentation. When designing new engines, engineers must obtain knowledge gained from maintenance o...
SEMWEB
2009
Springer
14 years 2 months ago
2009
Springer
In this paper a novel approach is presented for generating RDF graphs of arbitrary complexity from various spreadsheet layouts. Currently, none of the available spreadsheet-to-RDF ...
OTM
2007
Springer
14 years 1 months ago
2007
Springer
Abstract The W3C has developed XPath [3] as a query language for XML data. XPath is embedded in many other languages like XQuery and XSLT. The name of XPath derives from its basic ...
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...