522 search results - page 21 / 105 » Answering Aggregation Queries in a Secure System Model |
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
The continuous sliding-window query model is used widely in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In ...
CP
2007
Springer
14 years 1 months ago
2007
Springer
Defence trees and CP-net (ceteris paribus network) are two useful approaches that can be used to help a system administrator to analyze a security scenario and to give him a model ...
WEBDB
2000
Springer
13 years 11 months ago
2000
Springer
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
PADL
2010
Springer
14 years 4 months ago
2010
Springer
Abstract. Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rule...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rules use non...