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» On Query Algebras for Probabilistic Databases
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130
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JASIS
2000
120views more  JASIS 2000»
15 years 3 months ago
Probabilistic datalog: Implementing logical information retrieval for advanced applications
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...
Norbert Fuhr
155
Voted
CIKM
2010
Springer
15 years 2 months ago
Skyline query processing for uncertain data
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...
Mohamed E. Khalefa, Mohamed F. Mokbel, Justin J. L...
ER
2004
Springer
93views Database» more  ER 2004»
15 years 9 months ago
Schema Versioning in Data Warehouses
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 ...
Matteo Golfarelli, Jens Lechtenbörger, Stefan...
152
Voted
ICDE
2005
IEEE
101views Database» more  ICDE 2005»
15 years 9 months ago
Optimization of Nested XQuery Expressions with Orderby Clauses
— XQuery, the defacto XML query language, is a functional language with operational semantics, which precludes the direct application of classical query optimization techniques. ...
Song Wang, Elke A. Rundensteiner, Murali Mani
168
Voted
PODS
2008
ACM
174views Database» more  PODS 2008»
16 years 3 months ago
Epistemic privacy
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, ...
Alexandre V. Evfimievski, Ronald Fagin, David P. W...