106 search results - page 14 / 22 » On the Approximability of the Steiner Tree Problem in Phylog... |
STOC
2003
ACM
14 years 7 months ago
2003
ACM
In this paper, we show that any n point metric space can be embedded into a distribution over dominating tree metrics such that the expected stretch of any edge is O(log n). This ...
WINET
2008
13 years 7 months ago
2008
This paper addresses the following relay sensor placement problem: given the set of duty sensors in the plane and the upper bound of the transmission range, compute the minimum nu...
STOC
2004
ACM
14 years 7 months ago
2004
ACM
Several combinatorial optimization problems choose elements to minimize the total cost of constructing a feasible solution that satisfies requirements of clients. In the STEINER T...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Increasing prevalence of large-scale distributed monitoring and computing environments such as sensor networks, scientific federations, Grids etc., has led to a renewed interest in...
ICALP
2005
Springer
14 years 1 months ago
2005
Springer
Virtual Private Network Design is the following NP-hard problem. We are given a communication network, represented as a weighted graph with thresholds on the nodes which represent...