620 search results - page 60 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
241
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Monitoring extreme values (MAX or MIN) is a fundamental problem in wireless sensor networks (and in general, complex dynamic systems). This problem presents very different algorit...
149
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EAGC
2004
Springer
15 years 9 months ago
2004
Springer
Data streams are a prevalent and growing source of timely data. As streams become more prevalent, richer interrogation of the contents of the streams are required. Value of the con...
138
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WIDM
2003
ACM
15 years 9 months ago
2003
ACM
Whenever XML data must be shared by heterogeneous applications, transformations between different applicationspecific XML formats are necessary. The state-of-the-art method transf...
144
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MIS
2004
Springer
15 years 9 months ago
2004
Springer
When similarity queries over multimedia databases are processed by splitting the overall query condition into a set of sub-queries, the problem of how to efficiently and effectiv...
136
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SIGMOD
1995
ACM
15 years 7 months ago
1995
ACM
A warehouse is a repository of integrated information drawn from remote data sources. Since a warehouse e ectively implements materialized views, we must maintain the views as the...