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» Iterative Rounding for Multi-Objective Optimization Problems
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STOC
2007
ACM
239views Algorithms» more  STOC 2007»
14 years 6 months ago
Approximating minimum bounded degree spanning trees to within one of optimal
In the MINIMUM BOUNDED DEGREE SPANNING TREE problem, we are given an undirected graph with a degree upper bound Bv on each vertex v, and the task is to find a spanning tree of min...
Mohit Singh, Lap Chi Lau
SODA
2010
ACM
371views Algorithms» more  SODA 2010»
14 years 3 months ago
Online Learning with Queries
The online learning problem requires a player to iteratively choose an action in an unknown and changing environment. In the standard setting of this problem, the player has to ch...
Chao-Kai Chiang, Chi-Jen Lu
TKDE
2012
199views Formal Methods» more  TKDE 2012»
11 years 8 months ago
Subscriber Assignment for Wide-Area Content-Based Publish/Subscribe
— We study the problem of assigning subscribers to brokers in a wide-area content-based publish/subscribe system. A good assignment should consider both subscriber interests in t...
Albert Yu, Pankaj K. Agarwal, Jun Yang
STOC
2010
ACM
261views Algorithms» more  STOC 2010»
13 years 10 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...
GLOBECOM
2008
IEEE
14 years 7 days ago
Comparison of Routing and Wavelength Assignment Algorithms in WDM Networks
- We design and implement various algorithms for solving the static RWA problem with the objective of minimizing the maximum number of requested wavelengths based on LP relaxation ...
Kostas Christodoulopoulos, Konstantinos Manousakis...