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» The VPN Problem with Concave Costs
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NETWORKS
2007
14 years 9 months ago
Heuristic solutions for general concave minimum cost network flow problems
Dalila B. M. M. Fontes, José Fernando Gon&c...
87
Voted
INFOCOM
2002
IEEE
15 years 2 months ago
Restoration Algorithms for Virtual Private Networks in the Hose Model
—A Virtual Private Network (VPN) aims to emulate the services provided by a private network over the shared Internet. The endpoints of e connected using abstractions such as Virt...
Giuseppe F. Italiano, Rajeev Rastogi, Bülent ...
ALGORITHMICA
2006
93views more  ALGORITHMICA 2006»
14 years 9 months ago
Simultaneous Optimization via Approximate Majorization for Concave Profits or Convex Costs
For multi-criteria problems and problems with poorly characterized objective, it is often desirable to simultaneously approximate the optimum solution for a large class of objecti...
Ashish Goel, Adam Meyerson
AICCSA
2006
IEEE
126views Hardware» more  AICCSA 2006»
15 years 3 months ago
Restricted Shortest Path Routing with Concave Costs
Multi-constraint quality-of-service routing has become increasingly important as the Internet evolves to support real-time services. Restricted shortest path (RSP) is one of the i...
Pejman Khadivi, Shadrokh Samavi, Hossein Saidi
SODA
2008
ACM
84views Algorithms» more  SODA 2008»
14 years 11 months ago
Robust cost colorings
We consider graph coloring problems where the cost of a coloring is the sum of the costs of the colors, and the cost of a color is a monotone concave function of the total weight ...
Takuro Fukunaga, Magnús M. Halldórss...