8491 search results - page 1286 / 1699 » Forecasting in Database Systems |
265
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
281
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...
302
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
While traditional database systems optimize for performance on one-shot queries, emerging large-scale monitoring applications require continuous tracking of complex aggregates and...
195
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SIGMOD
2002
ACM
16 years 7 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
189
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PODS
2005
ACM
16 years 7 months ago
2005
ACM
Suppose we have a large table T of items i, each with a weight wi, e.g., people and their salary. In a general preprocessing step for estimating arbitrary subset sums, we assign e...