736 search results - page 95 / 148 » A Flexible Database Authorization System |
181
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DGO
2009
15 years 7 months ago
2009
The execution of cross-domain eGovernment applications is a challenging topic. eGovernment organisations are facilitated and conducted using workflow management systems. Workflows...
272
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
141
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VLDB
1992
ACM
15 years 10 months ago
1992
ACM
In this paper, we explore the execution of pipelined hash joins in a multiprocessor-based database system. To improve the query execution, an innovative approach on query executio...
154
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FGCS
2007
15 years 6 months ago
2007
Abstract— We describe a grid-based approach for enterprisescale data mining that leverages database technology for I/O parallelism, and on-demand compute servers for compute para...
187
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DOLAP
2003
ACM
15 years 11 months ago
2003
ACM
Motivated by the need for more flexible OLAP systems, this paper presents work on logical integration of external data in OLAP databases, carried out in cooperation between the D...