106 search results - page 8 / 22 » On the Approximability of the Steiner Tree Problem in Phylog... |
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract--We study the problem of maintaining group communication between m mobile agents, tracked and helped by n static networked sensors. We develop algorithms to maintain a O(l...
SODA
1992
ACM
13 years 8 months ago
1992
ACM
We present a general approximation technique for a large class of graph problems. Our technique mostly applies to problems of covering, at minimum cost, the vertices of a graph wit...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—With the explosive deployment of “triple play” (voice, video and data services) over the same access network, guaranteeing a certain-level of survivability for the access ne...
SODA
2000
ACM
13 years 8 months ago
2000
ACM
The Steiner tree problem in weighted graphs seeks a minimum weight connected subgraph containing a given subset of the vertices terminals. We present a new polynomial-time heurist...
ICDE
2009
IEEE
14 years 2 months ago
2009
IEEE
— Large graphs and networks are abundant in modern information systems: entity-relationship graphs over relational data or Web-extracted entities, biological networks, social onl...