148 search results - page 4 / 30 » Query Selectivity Estimation for Uncertain Data |
SSD
2005
Springer
14 years 29 days ago
2005
Springer
Abstract. Query optimization is an important functionality of modern database systems and often based on estimating the selectivity of queries before actually executing them. Well-...
ICDE
2008
IEEE
14 years 8 months 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...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
The problem of privacy-preserving data mining has been studied extensively in recent years because of the increased amount of personal information which is available to corporation...
ECIR
2003
Springer
13 years 8 months ago
2003
Springer
Uncertain inference is a probabilistic generalisation of the logical view on databases, ranking documents according to their probabilities that they logically imply the query. For ...
ICDE
2002
IEEE
14 years 8 months ago
2002
IEEE
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...