316 search results - page 11 / 64 » Approximation algorithms for hierarchical location problems |
SIGECOM
2003
ACM
15 years 2 months ago
2003
ACM
Strategyproof cost-sharing mechanisms, lying in the core, that recover 1/a fraction of the cost, are presented for the set cover and facility location games: a=O(log n) for the fo...
BIODATAMINING
2008
14 years 9 months ago
2008
Background: Agglomerative hierarchical clustering (AHC) is a common unsupervised data analysis technique used in several biological applications. Standard AHC methods require that...
PVLDB
2008
14 years 9 months ago
2008
In this paper we propose a novel document retrieval model in which text queries are augmented with multi-dimensional taxonomy restrictions. These restrictions may be relaxed at a ...
NIPS
2004
14 years 11 months ago
2004
We study the problem of hierarchical classification when labels corresponding to partial and/or multiple paths in the underlying taxonomy are allowed. We introduce a new hierarchi...
STOC
1998
ACM
15 years 1 months ago
1998
ACM
In the k-median problem we are given a set S of n points in a metric space and a positive integer k. We desire to locate k medians in space, such that the sum of the distances fro...