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ICDE
2007
IEEE
126views Database» more  ICDE 2007»
14 years 9 months ago
Efficient Approximation Algorithms for Repairing Inconsistent Databases
We consider the problem of repairing a database that is inconsistent wrt a set of integrity constraints by updating numerical values. In particular, we concentrate on denial integ...
Andrei Lopatenko, Loreto Bravo
COMPGEOM
2004
ACM
14 years 1 months ago
On the least median square problem
We consider the exact and approximate computational complexity of the multivariate LMS linear regression estimator. The LMS estimator is among the most widely used robust linear s...
Jeff Erickson, Sariel Har-Peled, David M. Mount
SMA
2009
ACM
134views Solid Modeling» more  SMA 2009»
14 years 2 months ago
Exact Delaunay graph of smooth convex pseudo-circles: general predicates, and implementation for ellipses
We examine the problem of computing exactly the Delaunay graph (and the dual Voronoi diagram) of a set of, possibly intersecting, smooth convex pseudo-circles in the Euclidean pla...
Ioannis Z. Emiris, Elias P. Tsigaridas, George M. ...
CIAC
2010
Springer
194views Algorithms» more  CIAC 2010»
14 years 19 days ago
An Algorithmic Framework for Motif Discovery Problems in Weighted Sequences
A weighted sequence is a string in which a set of characters may appear at each position with respective probabilities of occurrence. A common task is to locate a given motif in a ...
Hui Zhang, Qing Guo, Costas S. Iliopoulos
PDPTA
2007
13 years 9 months ago
Brokering Algorithms for Composing Low Cost Distributed Storage Resources
Abstract In this paper we investigate the composition of cheap network storage resources to meet specific availability and capacity requirements. We show that the problem of find...
Jimmy Secretan, Malachi Lawson, Ladislau Böl&...