530 search results - page 42 / 106 » Extensible Query Processing in Starburst |
CIDR
2007
14 years 11 months ago
2007
Sensor networks are becoming an important part of the IT landscape. Existing systems, however, are limited in two fundamental ways: lack of data independence, and poor integration...
ADC
2007
Springer
15 years 4 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 ...
170
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relations...
DBISP2P
2006
Springer
15 years 1 months ago
2006
Springer
The processing of k-NN queries has been studied extensively both in a centralized computing environment and in a structured P2P environment. However, the problem over an unstructur...
102
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EDBT
2002
ACM
15 years 10 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...