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DIS
2007
Springer
15 years 6 months ago
On Approximating Minimum Infrequent and Maximum Frequent Sets
The maximum cardinality of a frequent set as well as the minimum cardinality of an infrequent set are important characteristic numbers in frequent (item) set mining. Gunopulos et a...
Mario Boley
FSTTCS
2003
Springer
15 years 5 months ago
An Improved Approximation Scheme for Computing Arrow-Debreu Prices for the Linear Case
Recently, Jain, Mahdian and Saberi [5] had given a FPTAS for the problem of computing a market equilibrium in the Arrow-Debreu setting, when the utilities are linear functions. The...
Nikhil R. Devanur, Vijay V. Vazirani
STOC
2010
ACM
186views Algorithms» more  STOC 2010»
15 years 4 months ago
Faster approximation schemes for fractional multicommodity flow problems via dynamic graph algorithms
We combine the work of Garg and K¨onemann, and Fleischer with ideas from dynamic graph algorithms to obtain faster (1 − ε)-approximation schemes for various versions of the mu...
Aleksander Madry
SODA
2001
ACM
147views Algorithms» more  SODA 2001»
15 years 1 months ago
Sublinear time approximate clustering
Clustering is of central importance in a number of disciplines including Machine Learning, Statistics, and Data Mining. This paper has two foci: 1 It describes how existing algori...
Nina Mishra, Daniel Oblinger, Leonard Pitt
WSCG
2003
163views more  WSCG 2003»
15 years 1 months ago
Constructing Approximate Voronoi Diagrams from Digital Images of Generalized Polygons and Circular Objects
In this paper we present the geometrical construction of an approximate generalized Voronoi diagram for generalized polygons and circular objects based on their minimum geometrica...
W. L. Roque, D. Doering