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CIKM
1999
Springer
15 years 3 months ago
1999
Springer
The join relational operation is one of the most expensive among database operations. In this study, we consider the problem of scheduling page accesses in join processing. This r...
DBSEC
2004
15 years 25 days ago
2004
Real-time update of access control policies, that is, updating policies while they are in effect and enforcing the changes immediately, is necessary for many security-critical appl...
JCS
2008
14 years 11 months ago
2008
Controlled Query Evaluation (CQE) defines a logical framework to protect confidential information in a database. By modeling a user's a priori knowledge appropriately, a CQE ...
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CLUSTER
2008
IEEE
15 years 6 months ago
2008
IEEE
—We consider the problem of efficiently managing massive data in a large-scale distributed environment. We consider data strings of size in the order of Terabytes, shared and ac...
SEMWEB
2007
Springer
15 years 5 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...