1588 search results - page 56 / 318 » Consistent query answering in databases |
143
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ECAI
2008
Springer
15 years 5 months ago
2008
Springer
Abstract. We study privacy guarantees for the owner of an information system who wants to share some of the information in the system with clients while keeping some other informat...
123
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PVLDB
2010
15 years 2 months ago
2010
We consider the problem of efficiently finding the top-k answers for join queries over web-accessible databases. Classical algorithms for finding top-k answers use branch-and-b...
173
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ICDT
2012
ACM
13 years 6 months ago
2012
ACM
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
166
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ICDE
2012
IEEE
13 years 6 months ago
2012
IEEE
— Uncertainties in data arise for a number of reasons: when the data set is incomplete, contains conflicting information or has been deliberately perturbed or coarsened to remov...
255
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ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...