106 search results - page 21 / 22 » On the Approximability of the Steiner Tree Problem in Phylog... |
SODA
2010
ACM
13 years 5 months ago
2010
ACM
Consider the following problem: given a metric space, some of whose points are "clients," select a set of at most k facility locations to minimize the average distance f...
INFOCOM
2008
IEEE
14 years 1 months ago
2008
IEEE
—The problem of minimum cost in-network fusion of measurements, collected from distributed sensors via multihop routing is considered. A designated fusion center performs an opti...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
—Upon the occurrence of a phenomenon of interest in a wireless sensor network, multiple sensors may be activated, leading to data implosion and redundancy. Data aggregation and/o...
CIC
2004
13 years 8 months ago
2004
As a key issue in multicast routing with quality of service (QoS) support, constrained minimum Steiner tree (CMST) problem has been a research focus for more than a decade, and ten...
EWSN
2004
Springer
14 years 25 days ago
2004
Springer
Abstract. In this paper, we consider the minimization of a relevant energy consumption related cost function in the context of sensor networks where correlated sources are generate...