951 search results - page 93 / 191 » Groupwise Processing of Relational Queries |
202
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CIKM
2011
Springer
14 years 6 months ago
2011
Springer
A fundamental problem related to RDF query processing is selectivity estimation, which is crucial to query optimization for determining a join order of RDF triple patterns. In thi...
159
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AMR
2005
Springer
15 years 12 months ago
2005
Springer
Abstract. Different strategies to learn user semantic queries from dissimilarity representations of video audio-visual content are presented. When dealing with large corpora of vi...
169
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Research on spatial network databases has so far considered that there is a single cost value associated with each road segment of the network. In most real-world situations, howev...
177
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ICDE
2010
IEEE
16 years 3 months ago
2010
IEEE
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
166
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PVLDB
2010
15 years 4 months ago
2010
We present in this paper ObjectRunner, a system for extracting, integrating and querying structured data from the Web. Our system harvests real-world items from template-based HTM...