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» Hard Instances of the Constrained Discrete Logarithm Problem
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CPM
2009
Springer
121views Combinatorics» more  CPM 2009»
14 years 2 months ago
LCS Approximation via Embedding into Local Non-repetitive Strings
A classical measure of similarity between strings is the length of the longest common subsequence(LCS) between the two given strings. The search for efficient algorithms for findi...
Gad M. Landau, Avivit Levy, Ilan Newman
DAGSTUHL
2007
13 years 9 months ago
Weighted Voronoi Region Algorithms for Political Districting
Automated political districting shares with electronic voting the aim of preventing electoral manipulation and pursuing an impartial electoral mechanism. Political districting can...
Bruno Simeone, Federica Ricca, Andrea Scozzari
PODC
2010
ACM
13 years 11 months ago
A new technique for distributed symmetry breaking
We introduce Multi-Trials, a new technique for symmetry breaking for distributed algorithms and apply it to various problems in general graphs. For instance, we present three rand...
Johannes Schneider, Roger Wattenhofer
AI
2000
Springer
13 years 7 months ago
A Lagrangian reconstruction of GENET
GENET is a heuristic repair algorithm which demonstrates impressive e ciency in solving some large-scale and hard instances of constraint satisfaction problems (CSPs). In this pap...
Kenneth M. F. Choi, Jimmy Ho-Man Lee, Peter J. Stu...
SODA
2010
ACM
174views Algorithms» more  SODA 2010»
13 years 5 months ago
Differentially Private Combinatorial Optimization
Consider the following problem: given a metric space, some of whose points are "clients," select a set of at most k facility locations to minimize the average distance f...
Anupam Gupta, Katrina Ligett, Frank McSherry, Aaro...