2228 search results - page 237 / 446 » On Database Theory and XML |
232
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ICDT
2009
ACM
16 years 2 months ago
2009
ACM
A formal semantics of uncertain databases typically takes an algebraic approach by mapping an uncertain database to a set of relational databases, or possible worlds. We present a...
214
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BTW
2003
Springer
16 years 13 days ago
2003
Springer
Dissemination systems are used to route information received from many publishers individually to multiple subscribers. The core of a dissemination system consists of an efficient...
173
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DGO
2004
15 years 8 months ago
2004
cipal high-level goal of the research is to develop abstractions, theory and methodology and software tools that allow federal statistical agencies to disseminate useful informatio...
286
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
According to a survey of the University of Berkeley [6], about 5 Exabytes of new information has been created in 2002. This information explosion affects also the database volumes...
203
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PODS
2007
ACM
16 years 7 months ago
2007
ACM
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...