6650 search results - page 451 / 1330 » Mutating database queries |
203
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PODS
1992
ACM
15 years 10 months ago
1992
ACM
: We study the problem of determining whether a given recursive Datalog program is equivalent to a given nonrecursive Datalog program. Since nonrecursive Datalog programs are equiv...
150
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ERCIMDL
2006
Springer
15 years 10 months ago
2006
Springer
Libraries, museums, and other organizations make their electronic contents available to a growing number of users on the Web. A large fraction of the information published is store...
132
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BTW
2009
Springer
15 years 10 months ago
2009
Springer
: BLINK is a prototype of an in-memory based query processor that exploits heavily the underlying CPU infrastructure. It is very sensitive to the processor’s caches and instructi...
268
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DEBS
2011
ACM
2011
ACM
DejaVu: a complex event processing system for pattern matching over live and historical data streams
14 years 10 months ago
This short paper provides an overview of the DejaVu complex event processing (CEP) system, with an emphasis on its novel architecture and query optimization techniques for correla...
173
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SIGMOD
2002
ACM
16 years 7 months ago
2002
ACM
Recently several important relational database tasks such as index selection, histogram tuning, approximate query processing, and statistics selection have recognized the importan...