1832 search results - page 162 / 367 » Querying RDF Data Using A Multigraph-based Approach |
147
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ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
— Research on query optimization has traditionally focused on exhaustive enumeration of an exponential number of candidate plans. Alternatively, heuristics for query optimization...
210
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SIGIR
2011
ACM
14 years 9 months ago
2011
ACM
Test collections are the primary drivers of progress in information retrieval. They provide a yardstick for assessing the effectiveness of ranking functions in an automatic, rapi...
214
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MM
1994
ACM
15 years 10 months ago
1994
ACM
In this paper we propose a technique for segmenting images by texture content with application to indexing images in a large image database. Using a quad-tree decomposition, textu...
192
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ICDE
2005
IEEE
16 years 2 days ago
2005
IEEE
Many location-based applications require constant monitoring of k-nearest neighbor (k-NN) queries over moving objects within a geographic area. Existing approaches to this problem...
169
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DASFAA
2003
IEEE
15 years 11 months ago
2003
IEEE
To integrate many data sources we use a peer mediator framework where views defined in the peers are logically composed in terms of each other. A common approach to execute queri...