3969 search results - page 359 / 794 » Query Processing Using Ontologies |
234
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
Traditional approaches for efficiently processing historical queries, where a history is a multidimensional timeseries, employ a two step filter-and-refine scheme. In the filter s...
169
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SSDBM
2006
IEEE
15 years 10 months ago
2006
IEEE
Although the processing of data streams has been the focus of many research efforts in several areas, the case of remotely sensed streams in scientific contexts has received less...
137
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WWW
2004
ACM
16 years 5 months ago
2004
ACM
A technical infrastructure for storing, querying and managing RDF data is a key element in the current semantic web development. Systems like Jena, Sesame or the ICS-FORTH RDF Sui...
131
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract—A text filtering system monitors a stream of incoming documents, to identify those that match the interest profiles of its users. The user interests are registered at ...
169
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ICDE
2005
IEEE
15 years 10 months 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...