3471 search results - page 369 / 695 » Data Stream Query Processing |
155
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EDBT
2002
ACM
16 years 3 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
126
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DKE
1998
15 years 2 months ago
1998
Disk I/O is a major bottleneck for query processing in database applications. This bottleneck is especially a problem for temporal databases because of their large size. Reduction...
154
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PODS
2006
ACM
16 years 3 months ago
2006
ACM
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...
121
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ACSC
2005
IEEE
15 years 8 months ago
2005
IEEE
Segmentation is the first step in managing data for many information retrieval tasks. Automatic audio transcriptions and digital video footage are typically continuous data sourc...
128
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KAIS
2008
15 years 3 months ago
2008
Abstract Vector data and in particular road networks are being queried, hosted and processed in many application domains such as in mobile computing. Many client systems such as PD...