9509 search results - page 1665 / 1902 » Complex Event Processing |
215
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PVLDB
2008
15 years 6 months ago
2008
The diversity and large volumes of data processed in the Natural Sciences today has led to a proliferation of highlyspecialized and autonomous scientific databases with inherent a...
186
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PVLDB
2008
15 years 6 months ago
2008
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...
205
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PVLDB
2008
15 years 6 months ago
2008
This paper studies, for the first time, the management of type information for an important class of semi-structured data: nested DAGs (Directed Acyclic Graphs) that describe exec...
162
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PVLDB
2008
15 years 6 months ago
2008
A fundamental problem in information integration is to precisely specify the relationships, called mappings, between schemas. Designing mappings is a time-consuming process. To al...
178
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PVLDB
2008
15 years 6 months ago
2008
Abstract Existing solutions to the automated physical design problem in database systems attempt to minimize execution costs of input workloads for a given storage constraint. In t...