1851 search results - page 241 / 371 » Querying XML streams |
302
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Abstract-- We investigate techniques to automatically decompose any XQuery query into subqueries, that can be executed near their data sources; i.e., function-shipping. In this sce...
170
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ICDE
2007
IEEE
16 years 24 days ago
2007
IEEE
Adaptive query processing is of utmost importance for the scalability of data stream processing systems due to the long-running queries and fluctuating stream characteristics. An...
189
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JACM
2012
13 years 9 months ago
2012
A fundamental problem in data management is to draw and maintain a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With la...
291
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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 ...
256
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
In distributed stream processing environments, large numbers of continuous queries are distributed onto multiple servers. When one or more of these servers become overloaded due t...