369 search results - page 54 / 74 » Querying Distributed RDF Data Sources with SPARQL |
ADBIS
2004
Springer
14 years 29 days ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
MIDDLEWARE
2005
Springer
14 years 1 months ago
2005
Springer
These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
DCOSS
2007
Springer
14 years 1 months ago
2007
Springer
With the proliferation of various kinds of sensor networks, we will see large amounts of heterogeneous data. They have different characteristics such as data content, formats, mod...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
In this paper, we are concerned with the distributed monitoring of P2P systems. We introduce the P2P Monitor system and a new declarative language, namely P2PML, for specifying mo...
POLICY
2007
Springer
14 years 1 months ago
2007
Springer
Obligation Policies specify management actions that must be performed when a particular kind of event occurs and certain conditions are satisfied. Large scale distributed systems...