47 search results - page 3 / 10 » A tight bound on approximating arbitrary metrics by tree met... |
CORR
2010
Springer
13 years 5 months ago
2010
Springer
In this paper we show how the complexity of performing nearest neighbor (NNS) search on a metric space is related to the expansion of the metric space. Given a metric space we loo...
SODA
2008
ACM
13 years 6 months ago
2008
ACM
We study a generalization of the k-median problem with respect to an arbitrary dissimilarity measure D. Given a finite set P, our goal is to find a set C of size k such that the s...
SODA
2001
ACM
13 years 6 months ago
2001
ACM
Consider an edge-weighted tree T = (V, E, w : E R+ ), in which a subset R of the nodes (called the required nodes) are colored red and the remaining nodes in S = V \R are colored ...
SIROCCO
2004
13 years 6 months ago
2004
In this paper we study the range assignment problem in static ad-hoc networks on metric spaces. We consider the h-strong connectivity and h-broadcast problems on trees, high dimens...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
We introduce a problem that is a common generalization of the uncapacitated facility location (UFL) and minimum latency (ML) problems, where facilities not only need to be opened ...