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DCG
2010
137views more  DCG 2010»
14 years 10 months ago
Improved Results on Geometric Hitting Set Problems
We consider the problem of computing minimum geometric hitting sets in which, given a set of geometric objects and a set of points, the goal is to compute the smallest subset of p...
Nabil H. Mustafa, Saurabh Ray
INFORMS
2008
241views more  INFORMS 2008»
14 years 10 months ago
Solving the Capacitated Local Access Network Design Problem
We propose an exact solution method for a routing and capacity installation problem in networks. Given an input graph, the problem is to route traffic from a set of source nodes t...
F. Sibel Salman, R. Ravi, John N. Hooker
SIAMCOMP
2008
108views more  SIAMCOMP 2008»
14 years 10 months ago
The Euclidean Orienteering Problem Revisited
We consider the rooted orienteering problem: Given a set P of n points in the plane, a starting point r P, and a length constraint B, one needs to find a path starting from r tha...
Ke Chen 0006, Sariel Har-Peled
APPROX
2008
Springer
135views Algorithms» more  APPROX 2008»
15 years 21 hour ago
The Directed Minimum Latency Problem
We study the directed minimum latency problem: given an n-vertex asymmetric metric (V, d) with a root vertex r V , find a spanning path originating at r that minimizes the sum of...
Viswanath Nagarajan, R. Ravi
SIAMJO
2008
76views more  SIAMJO 2008»
14 years 10 months ago
Identification and Elimination of Interior Points for the Minimum Enclosing Ball Problem
Given A := {a1, . . . , am} Rn, we consider the problem of reducing the input set for the computation of the minimum enclosing ball of A. In this note, given an approximate soluti...
S. Damla Ahipasaoglu, E. Alper Yildirim