2853 search results - page 196 / 571 » On the Efficiency of Provenance Queries |
189
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PERCOM
2005
ACM
16 years 6 months ago
2005
ACM
Topographic querying is the process of extracting data from a sensor network for understanding the graphic delineation of features of interest in a terrain. Query processing techn...
215
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BTW
2003
Springer
15 years 11 months ago
2003
Springer
Abstract: Optimization of nested queries, in particular finding equivalent “flattened” queries for queries that employ the SQL sub-query construct, has been researched extensiv...
169
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JUCS
2008
15 years 6 months ago
2008
: Query transformation is a serious hurdle on semantic peer-to-peer environment. For interoperability between peers, queries sent from a source peer have to be efficiently transfor...
238
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PVLDB
2008
15 years 5 months ago
2008
A Reverse k-Nearest-Neighbor (RkNN) query finds the objects that take the query object as one of their k nearest neighbors. In this paper we propose new solutions for evaluating R...
156
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
With the proliferation of geographic data and resources over the Internet, there is an increasing demand for integration services that allow a transparent access to massive reposit...