799 search results - page 132 / 160 » Query Brokers for Distributed and Flexible Query Evaluation |
101
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CIKM
2005
Springer
15 years 5 months ago
2005
Springer
Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...
109
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BTW
2007
Springer
15 years 3 months ago
2007
Springer
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
134
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MIR
2006
ACM
15 years 5 months ago
2006
ACM
We describe a framework for automatically selecting a summary set of photos from a large collection of geo-referenced photographs. Such large collections are inherently difficult ...
117
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VLDB
2004
ACM
15 years 5 months ago
2004
ACM
A frequent type of query in spatial networks (e.g., road networks) is to find the K nearest neighbors (KNN) of a given query object. With these networks, the distances between ob...
113
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CIKM
2010
Springer
14 years 10 months ago
2010
Springer
Computing shortest paths between two given nodes is a fundamental operation over graphs, but known to be nontrivial over large disk-resident instances of graph data. While a numbe...