1302 search results - page 147 / 261 » Multi-objective Query Processing for Database Systems |
208
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SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
128
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SIGMOD
2011
ACM
14 years 5 months ago
2011
ACM
Scheduling data processing workflows (dataflows) on the cloud is a very complex and challenging task. It is essentially an optimization problem, very similar to query optimizati...
105
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WWW
2007
ACM
16 years 2 months ago
2007
ACM
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...
111
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PODC
2010
ACM
15 years 6 months ago
2010
ACM
This paper deals with pipelined queries over services. The execution plan of such queries defines an order in which the services are called. We present the theoretical underpinni...
203
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GIS
2007
ACM
16 years 3 months ago
2007
ACM
Robust, global, address geocoding is challenging because there is no single address format that applies to all geographies, and in any case, users may not restrict themselves to w...