2409 search results - page 430 / 482 » On Extended Regular Expressions |
ICDE
2012
IEEE
13 years 9 days ago
2012
IEEE
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
107
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CVPR
2012
IEEE
13 years 8 days ago
2012
IEEE
Attribute-based query offers an intuitive way of image retrieval, in which users can describe the intended search targets with understandable attributes. In this paper, we develop...
135
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CVPR
2012
IEEE
13 years 8 days ago
2012
IEEE
We consider the problem of finding a few representatives for a dataset, i.e., a subset of data points that efficiently describes the entire dataset. We assume that each data poi...
165
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
XML schema design has two opposing goals: elimination of update anomalies requires that the schema be as normalized as possible; yet higher query performance and simpler query exp...
168
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
Relational data streams and XML streams have previously provided two separate research foci, but their unified support by a single Data Stream Management System (DSMS) is very des...