2338 search results - page 306 / 468 » Using UML to model relational database operations |
143
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CIKM
2009
Springer
15 years 9 months ago
2009
Springer
Answering queries using views is a well-established technique in databases. In this context, two outstanding problems can be formulated. The first one consists in deciding whethe...
140
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WIDM
2004
ACM
15 years 10 months ago
2004
ACM
The use of relational database management systems (RDBMSs) to store and query XML data has attracted considerable interest with a view to leveraging their powerful and reliable da...
186
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VLDB
2001
ACM
15 years 9 months ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
124
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JLP
2011
14 years 7 months ago
2011
A Concurrent Kleene Algebra offers two composition operators, related by a weak version of an exchange law: when applied in a trace model of program semantics, one of them stands...
149
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ICASSP
2010
IEEE
15 years 5 months ago
2010
IEEE
We propose an aspect-model-based reference speaker weighting. The main idea of the approach is that the adapted model is a linear combination of a set of reference speakers like r...