2987 search results - page 492 / 598 » Multiobjective Query Optimization |
189
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ICDE
1997
IEEE
16 years 2 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
131
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ICIP
2009
IEEE
2009
IEEE
Localized Null Space Representation For Dynamic Updating And Downdating In Image And Video Databases
16 years 2 months ago
Event/object classification and recognition is an extremely challenging problem, particularly when the query or stored data undergo an affine transformation due to camera motion. ...
192
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SIGMOD
2008
ACM
16 years 1 months ago
2008
ACM
Scientific workflow systems are increasingly used to automate complex data analyses, largely due to their benefits over traditional approaches for workflow design, optimization, a...
181
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
In response to the widespread use of the XML format for document representation and message exchange, major database vendors support XML in terms of persistence, querying and inde...
170
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SIGMOD
2005
ACM
16 years 1 months ago
2005
ACM
We present a method to evaluate path queries based on the novel concept of partial path instances. Our method (1) maximizes performance by means of sequential scans or asynchronou...