929 search results - page 3 / 186 » Streaming SPARQL - Extending SPARQL to Process Data Streams |
WWW
2008
ACM
14 years 6 months ago
2008
ACM
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. We define and analyze the c...
OTM
2007
Springer
13 years 11 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 ...
WEBDB
2010
Springer
13 years 3 months ago
2010
Springer
The Semantic Web, which represents a web of knowledge, offers new opportunities to search for knowledge and information. To harvest such search power requires robust and scalable ...
OWLED
2008
13 years 7 months ago
2008
We view OWL instance data evaluation as a process in which instance data is checked for conformance with application requirements. We previously identified some integrity issues ra...
ICDE
2006
IEEE
13 years 11 months ago
2006
IEEE
Scientific instruments, such as radio telescopes, colliders, sensor networks, and simulators generate very high volumes of data streams that scientists analyze to detect and under...