5130 search results - page 20 / 1026 » Constraint Query Languages |
AAAI
2010
13 years 9 months ago
2010
In many data-centric applications, it is desirable to use OWL as an expressive schema language with which one expresses constraints that must be satisfied by instance data. However...
ICDE
2004
IEEE
14 years 8 months ago
2004
IEEE
In this demonstration paper we present a stream query processor capable of handling media (audio, video, motion ...) and feature streams. We show that due to their inherent semant...
SAC
2009
ACM
14 years 2 days ago
2009
ACM
The XML has undoubtedly become a standard for data representation and manipulation. But most of XML documents are still created without the respective description of their structu...
PVLDB
2010
13 years 5 months ago
2010
The current widespread use of location-based services and GPS technologies has revived interest in very fast and scalable shortest path queries. We introduce a new shortest path q...
ICDE
1991
IEEE
13 years 11 months ago
1991
IEEE
— Constraints play an important role in the efficient query evaluation in deductive databases. In this paper, constraint-based query evaluation in deductive databases is investi...