5130 search results - page 39 / 1026 » Constraint Query Languages |
POLICY
2004
Springer
14 years 4 months ago
2004
Springer
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
INFFUS
2007
13 years 10 months ago
2007
Previous approaches in query processing do not consider queries to automatically combine results obtained from different information sources, i.e. they do not support information...
GLOBE
2008
Springer
14 years 1 hour ago
2008
Springer
This paper addresses the problem of data integration in a P2P environment, where each peer stores schema of its local data, mappings between the schemas, and some schema constraint...
ADC
2003
Springer
14 years 4 months ago
2003
Springer
Much work on XML data was around storage and querying and did not consider constraints of XML, especially keys. Since constraints have been proposed in many papers for XML, much r...
VL
1996
IEEE
14 years 3 months ago
1996
IEEE
As multimedia applications spread widely, it is crucial for programming and design support systems to handle "time" in multimedia documents effectively and flexibly. This...