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PODS
2010
ACM
14 years 1 months ago
2010
ACM
Abiteboul et al. initiated the systematic study of distributed XML documents consisting of several logical parts, possibly located on different machines. The physical distributio...
PODS
2010
ACM
14 years 1 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
PODS
2010
ACM
14 years 1 months ago
2010
ACM
In the last few years, a lot of attention has been paid to the specification and subsequent manipulation of schema mappings, a problem which is of fundamental importance in metad...
PODS
2010
ACM
13 years 10 months ago
2010
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas; they are considered to be the essential building blocks in data exchange...
PODS
2010
ACM
14 years 1 months ago
2010
ACM
Differential privacy is a robust privacy standard that has been successfully applied to a range of data analysis tasks. But despite much recent work, optimal strategies for answe...