1160 search results - page 99 / 232 » Query Processing and Optimization for Pictorial Query Trees |
148
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WWW
2011
ACM
14 years 8 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
197
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
193
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ICDE
2008
IEEE
16 years 2 months ago
2008
IEEE
Abstract-- We introduce join scheduling algorithms that employ a balanced network utilization metric to optimize the use of all network paths in a global-scale database federation....
130
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EDBT
2009
ACM
14 years 11 months ago
2009
ACM
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...
185
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SIGMOD
2006
ACM
16 years 1 months ago
2006
ACM
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...