2635 search results - page 341 / 527 » Algorithms for the Database Layout Problem |
237
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ICDE
2011
IEEE
14 years 10 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
197
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ICDE
2012
IEEE
13 years 8 months 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...
189
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ICDE
2012
IEEE
13 years 8 months ago
2012
IEEE
— Location-based services (LBS) have been widely accepted by mobile users. Many LBS users have direction-aware search requirement that answers must be in a search direction. Howe...
279
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
260
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...