448 search results - page 29 / 90 » Queries and Constraints on Semi-structured Data |
EDBT
2009
ACM
15 years 2 months ago
2009
ACM
In this study, we present experiences of parallelizing XPath queries using the Xalan XPath engine on shared-address space multi-core systems. For our evaluation, we consider a sce...
PVLDB
2008
14 years 9 months ago
2008
Many applications rely heavily on large amounts of data in the distributed storages collected over time or produced by large scale scientific experiments or simulations. The key co...
EWSN
2006
Springer
15 years 9 months ago
2006
Springer
We present a framework called Semantic Streams that allows users to pose declarative queries over semantic interpretations of sensor data. For example, instead of querying raw magn...
EDBTW
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. While XQuery is becoming a standard, the W3C is currently discussing the features of an update language for XML, and its requirements. Therefore, time is ripe for designi...
IV
2002
IEEE
15 years 2 months ago
2002
IEEE
In this paper a visual approach to querying in large spatial databases is presented. A diagrammatic technique utilising a data flow metaphor is used to express different kinds of...