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218
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ICDT
2009
ACM
16 years 6 months ago
2009
ACM
World-set algebra is a variable-free query language for uncertain databases. It constitutes the core of the query language implemented in MayBMS, an uncertain database system. Thi...
214
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
This article proposes a core query algebra for probabilistic databases. In essence, this core is part of the query languages of most probabilistic database systems proposed so far...
148
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BTW
2005
Springer
15 years 11 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
158
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PVLDB
2008
15 years 5 months ago
2008
Given a dataset containing sensitive personal information, a statistical database answers aggregate queries in a manner that preserves individual privacy. We consider the problem ...