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APPROX
2009
Springer
142views Algorithms» more  APPROX 2009»
14 years 2 months ago
Truthful Mechanisms via Greedy Iterative Packing
An important research thread in algorithmic game theory studies the design of efficient truthful mechanisms that approximate the optimal social welfare. A fundamental question is ...
Chandra Chekuri, Iftah Gamzu
SODA
2001
ACM
166views Algorithms» more  SODA 2001»
13 years 8 months ago
Better approximation algorithms for bin covering
Bin covering takes as input a list of items with sizes in (0 1) and places them into bins of unit demand so as to maximize the number of bins whose demand is satis ed. This is in ...
János Csirik, David S. Johnson, Claire Keny...
ISAAC
2005
Springer
97views Algorithms» more  ISAAC 2005»
14 years 28 days ago
A Min-Max Relation on Packing Feedback Vertex Sets
Let G be a graph with a nonnegative integral function w defined on V (G). A collection F of subsets of V (G) (repetition is allowed) is called a feedback vertex set packing in G ...
Xujin Chen, Guoli Ding, Xiaodong Hu, Wenan Zang
SIAMDM
1998
86views more  SIAMDM 1998»
13 years 7 months ago
Combinatorial Properties and Constructions of Traceability Schemes and Frameproof Codes
In this paper, we investigate combinatorialproperties and constructions of two recent topics of cryptographic interest, namely frameproof codes for digital ngerprinting, and trace...
Douglas R. Stinson, Ruizhong Wei
ICANNGA
2007
Springer
128views Algorithms» more  ICANNGA 2007»
14 years 1 months ago
A Demonstration of Clustering in Protein Contact Maps for Alpha Helix Pairs
Abstract. The purpose of this work is to demonstrate that it is possible to cluster contact maps for pairs of alpha helices such that each of the clusters corresponds to a group of...
Robert Fraser, Janice I. Glasgow