3471 search results - page 381 / 695 » Data Stream Query Processing |
127
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PODS
1999
ACM
15 years 7 months ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
138
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IFIP
1998
Springer
15 years 7 months ago
1998
Springer
The flexible integration of a range of disparate IT applications is a key requirement for today's global enterprises. The virtual enterprise, formed by a collection of collab...
121
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ADC
2007
Springer
15 years 9 months ago
2007
Springer
Histograms are used extensively for selectivity estimation and approximate query processing. Workloadaware dynamic histograms can self-tune itself based on query feedback without ...
135
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BIRTE
2006
15 years 6 months ago
2006
Real-time enterprises rely on user queries being answered in a timely fashion and using fresh data. This is relatively easy when systems are lightly loaded and both queries and upd...
160
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CIDR
2011
14 years 6 months ago
2011
End-to-end data processing environments are often comprised of several independently-developed (sub-)systems, e.g. for engineering, organizational or historical reasons. Unfortuna...