624 search results - page 97 / 125 » Mutant Query Plans |
128
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KRDB
1997
15 years 1 months ago
1997
A data warehouse is a redundant collection of data replicated from several possibly distributed and loosely coupled source databases, organized to answer OLAP queries. Relational ...
168
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VLDB
2007
ACM
16 years 1 days ago
2007
ACM
In distributed stream processing environments, large numbers of continuous queries are distributed onto multiple servers. When one or more of these servers become overloaded due t...
117
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...
ICDIM
2007
IEEE
15 years 6 months ago
2007
IEEE
: Integrated access to distributed data is an important problem faced in scientific and commercial applications. A data integration system provides a unified view for users to subm...
BTW
2007
Springer
15 years 6 months ago
2007
Springer
B-tree and index into two layers of abstraction. In addition, this paper provides algorithms for (i) concurrency control and recovery including locking of individual keys and of co...