525 search results - page 22 / 105 » On Query Algebras for Probabilistic Databases |
103
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VLDB
1994
ACM
15 years 3 months ago
1994
ACM
Most declarative SQL-like query languagesfor object-oriented database systems (OOSQL) are orthogonal languages allowing for arbitrary nesting of expressions in the select-, from-,...
PODS
2007
ACM
15 years 11 months ago
2007
ACM
Many applications today need to manage large data sets with uncertainties. In this paper we describe the foundations of managing data where the uncertainties are quantified as pro...
172
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ICDE
2008
IEEE
16 years 27 days ago
2008
IEEE
We study the problem of computing query results with confidence values in ULDBs: relational databases with uncertainty and lineage. ULDBs, which subsume probabilistic databases, o...
PVLDB
2008
14 years 11 months ago
2008
There has been a recent surge in work in probabilistic databases, propelled in large part by the huge increase in noisy data sources -from sensor data, experimental data, data fro...
103
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ICDT
2001
ACM
15 years 4 months ago
2001
ACM
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...