511 search results - page 15 / 103 » Approximate Selection Queries over Imprecise Data |
152
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VLDB
2007
ACM
15 years 11 months ago
2007
ACM
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
180
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CIKM
2009
Springer
16 years 5 days ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
247
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ICDE
2004
IEEE
16 years 7 months ago
2004
IEEE
Queries with (equality or LIKE) selection predicates over string attributes are widely used in relational databases. However, state-of-the-art techniques for estimating selectivit...
169
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EUC
2007
Springer
15 years 11 months ago
2007
Springer
Cooperative caching is an important technique to support efficient data dissemination and sharing in Mobile Ad hoc Networks (MANETs). In order to ensure valid data access, the cach...
159
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DKE
2000
15 years 5 months ago
2000
A range query applies an aggregation operation (e.g., SUM) over all selected cells of an OLAP data cube where the selection is speci