525 search results - page 82 / 105 » On Query Algebras for Probabilistic Databases |
100
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JASIS
2000
14 years 11 months ago
2000
In the logical approach to information retrieval (IR), retrieval is considered as uncertain inference. Whereas classical IR models are based on propositional logic, we combine Dat...
119
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CIKM
2010
Springer
14 years 10 months ago
2010
Springer
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...
ER
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. As several mature implementations of data warehousing systems are fully operational, a crucial role in preserving their up-to-dateness is played by the ability to manage ...
111
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ICDE
2005
IEEE
15 years 5 months ago
2005
IEEE
— XQuery, the defacto XML query language, is a functional language with operational semantics, which precludes the direct application of classical query optimization techniques. ...
110
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PODS
2008
ACM
15 years 11 months ago
2008
ACM
We present a novel definition of privacy in the framework of offline (retroactive) database query auditing. Given information about the database, a description of sensitive data, ...