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SODA
2010
ACM
164views Algorithms» more  SODA 2010»
16 years 4 months ago
Differentially Private Approximation Algorithms
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...
ICC
2007
IEEE
16 years 1 months ago
Utility Maximization for OFDMA Systems Over Discrete Sets
— The main task in OFDM downlink scheduling design is to maximize some kind of utility considering user specific as well as system induced constraints. A typical example is the ...
Chan Zhou, Gerhard Wunder, Thomas Michel
STOC
2010
ACM
261views Algorithms» more  STOC 2010»
15 years 11 months ago
An Improved LP-based Approximation for Steiner Tree
The Steiner tree problem is one of the most fundamental ÆÈ-hard problems: given a weighted undirected graph and a subset of terminal nodes, find a minimum weight tree spanning ...
Jaroslaw Byrka, Fabrizio Grandoni, Thomas Rothvoss...
STOC
1990
ACM
135views Algorithms» more  STOC 1990»
15 years 10 months ago
A Separator Theorem for Graphs with an Excluded Minor and its Applications
ions (Extended Abstract) Noga Alon Paul Seymour Robin Thomas Let G be an n-vertex graph with nonnegative weights whose sum is 1 assigned to its vertices, and with no minor isomorp...
Noga Alon, Paul D. Seymour, Robin Thomas
CIAC
2006
Springer
103views Algorithms» more  CIAC 2006»
15 years 10 months ago
Provisioning a Virtual Private Network Under the Presence of Non-communicating Groups
Virtual private network design in the hose model deals with the reservation of capacities in a weighted graph such that the terminals in this network can communicate with one anoth...
Friedrich Eisenbrand, Edda Happ