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121
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ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
— Array database systems are architected for scientific and engineering applications. In these applications, the value of a cell is often imprecise and uncertain. There are at le...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
In an “uncertain database”, an object o is associated with a multi-dimensional probability density function (pdf), which describes the likelihood that o appears at each positi...
109
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CIKM
2010
Springer
14 years 8 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...
157
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SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
Uncertain data arises in a number of domains, including data integration and sensor networks. Top-k queries that rank results according to some user-defined score are an important...
SCCC
1997
IEEE
15 years 1 months ago
1997
IEEE
A cooperative database allows the user to specify approximate or vague query conditions. A vague query requires the database system to rank the retrieved answers according to thei...