1500 search results - page 256 / 300 » Query Optimization in Database Grid |
131
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IADT
1998
15 years 3 months ago
1998
Multimedia Database Management Systems (MMDBMS) have to efficiently provide the specific functionalities required by time-dependent multimedia data types. During presentation play...
181
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VLDB
2007
ACM
16 years 2 months ago
2007
ACM
When integrating data from heterogeneous sources, it is often necessary to transform both the schemas and the data from the underlying sources in order to present the integrated d...
119
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EDBT
2006
ACM
16 years 2 months ago
2006
ACM
Given a set of N multi-dimensional points, we study the computation of -quantiles according to a ranking function F, which is provided by the user at runtime. Specifically, F compu...
124
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IDEAS
2006
IEEE
15 years 8 months ago
2006
IEEE
This paper proposes CADRE (Collaborative Allocation and Deallocation of Replicas with Efficiency), a dynamic replication scheme for improving the typically low data availability ...
UC
2005
Springer
15 years 7 months ago
2005
Springer
Consider a database most of whose entries are marked but the precise fraction of marked entries is not known. What is known is that the fraction of marked entries is 1 − , where ...