554 search results - page 6 / 111 » Approximation algorithms and hardness results for labeled co... |
FOCS
2008
IEEE
14 years 2 months ago
2008
IEEE
The central problem in computational mechanism design is the tension between incentive compatibility and computational ef ciency. We establish the rst significant approximability ...
SWAT
2004
Springer
14 years 26 days ago
2004
Springer
In this paper, we investigate the test set problem and its variations that appear in a variety of applications. In general, we are given a universe of objects to be “distinguish...
COCO
2006
Springer
13 years 11 months ago
2006
Springer
We provide the first hardness result for the Covering Radius Problem on lattices (CRP). Namely, we show that for any large enough p there exists a constant cp > 1 such that C...
ESA
2007
Springer
14 years 1 months ago
2007
Springer
Given a (directed or undirected) graph with edge costs, the power of a node is the maximum cost of an edge leaving it, and the power of the graph is the sum of the powers of its n...
ECCC
2006
13 years 7 months ago
2006
Given a graph G and a collection of source-sink pairs in G, what is the least integer c such that each source can be connected by a path to its sink, with at most c paths going th...