1031 search results - page 145 / 207 » Managing the operator ordering problem in parallel databases |
DEXA
2004
Springer
15 years 4 months ago
2004
Springer
Abstract. Workflow management systems (WFMS) coordinate execution of multiple tasks performed by different entities within an organization. In order to coordinate the execution of ...
117
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IS
2007
15 years 15 days ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
115
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ESCIENCE
2006
IEEE
15 years 2 months ago
2006
IEEE
This paper describes the design and development of a flexible domain-based access control infrastructure for distributed Collaborative Environments. The paper proposes extensions ...
113
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DASFAA
2003
IEEE
15 years 5 months ago
2003
IEEE
Modern database applications including computeraided design (CAD), medical imaging, or molecular biology impose new requirements on spatial query processing. Particular problems a...
119
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ICDCS
2006
IEEE
15 years 6 months ago
2006
IEEE
Distributed storage systems employ replicas or erasure code to ensure high reliability and availability of data. Such replicas create great amount of network traffic that negative...