6660 search results - page 253 / 1332 » Data Analysis for Query Processing |
196
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CIDR
2007
15 years 7 months ago
2007
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...
174
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MDM
2009
Springer
16 years 27 days ago
2009
Springer
—A nearest neighbor query is an important notion in spatial databases and moving object databases. In the emerging application fields of moving object technologies, such as mobi...
182
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APWEB
2008
Springer
15 years 8 months ago
2008
Springer
Abstract. Nowadays, we have witnessed the widely recognized phenomenon of high speed data streams. Various statistics computation over data streams is often required by many applic...
290
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GIS
2007
ACM
16 years 7 months ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
148
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SENSYS
2003
ACM
15 years 11 months ago
2003
ACM
Wireless sensor networks enable dense sensing of the environment, offering unprecedented opportunities for observing the physical world. Centralized data collection and analysis a...