131 search results - page 20 / 27 » Linear Constraint Query Languages: Expressive Power and Comp... |
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
SEMWEB
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. Policies are declarations of constraints on the behaviour of components within distributed systems, and are often used to capture norms within agent-based systems. A few ...
SEMWEB
2007
Springer
14 years 1 months ago
2007
Springer
Semantic Web databases allow efficient storage and access to RDF statements. Applications are able to use expressive query languages in order to retrieve relevant metadata to perfo...
ATAL
2010
Springer
13 years 7 months ago
2010
Springer
ATL+ is a variant of alternating-time temporal logic that does not have the expressive power of full ATL , but still allows for expressing some natural properties of agents. It ha...
PVLDB
2008
13 years 7 months ago
2008
Abstract Existing solutions to the automated physical design problem in database systems attempt to minimize execution costs of input workloads for a given storage constraint. In t...