60 search results - page 6 / 12 » Approximating a Finite Metric by a Small Number of Tree Metr... |
PDCAT
2005
Springer
14 years 27 days ago
2005
Springer
We consider the practical NP-complete problem of finding a minimum weight spanning tree with both edge weights and inner nodes weights. We present two polynomial time algorithms ...
FOCS
2004
IEEE
13 years 11 months ago
2004
IEEE
Concurrent with recent theoretical interest in the problem of metric embedding, a growing body of research in the networking community has studied the distance matrix defined by n...
FOCS
1998
IEEE
13 years 11 months ago
1998
IEEE
In the Finite Capacity Dial-a-Ride problem the input is a metric space, a set of objects {di}, each specifying a source si and a destination ti, and an integer k--the capacity of t...
COMPGEOM
2008
ACM
13 years 9 months ago
2008
ACM
We introduce a hierarchical partitioning scheme of the Euclidean plane, called circular partitions. Such a partition consists of a hierarchy of convex polygons, each having small ...
APPROX
2009
Springer
14 years 2 months ago
2009
Springer
We consider adding k shortcut edges (i.e. edges of small fixed length δ ≥ 0) to a graph so as to minimize the weighted average shortest path distance over all pairs of vertices...