511 search results - page 40 / 103 » Approximate Selection Queries over Imprecise Data |
190
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
170
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SIGMOD
1997
ACM
15 years 10 months ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
212
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SIGMOD
2012
ACM
13 years 8 months ago
2012
ACM
In this demo, we will present Tiresias, the first how-to query engine. How-to queries represent fundamental data analysis questions of the form: “How should the input change in...
217
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ICDT
2011
ACM
14 years 9 months ago
2011
ACM
Given a set of points with uncertain locations, we consider the problem of computing the probability of each point lying on the skyline, that is, the probability that it is not do...
162
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CIKM
2006
Springer
15 years 9 months ago
2006
Springer
We present a hierarchical tree structure for online maintenance of time-decaying synopses over streaming data. We exemplify such an amnesic behavior over streams of locations take...