632 search results - page 104 / 127 » On the Approximability of the Steiner Tree Problem |
FOCS
1997
IEEE
13 years 11 months ago
1997
IEEE
We introduce a new approach to the maximum flow problem. This approach is based on assigning arc lengths based on the residual flow value and the residual arc capacities. Our appro...
STACS
2004
Springer
14 years 29 days ago
2004
Springer
OrthogonalVariableSpreadingFactor(OVSF)codesareusedinUMTStosharetheradiospectrum among several connections of possibly different bandwidth requirements. The combinatorial core of t...
INFOCOM
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— Sensors typically use wireless transmitters to communicate with each other. However, sensors may be located in a way that they cannot even form a connected network (e.g...
APPROX
2009
Springer
14 years 2 months ago
2009
Springer
We explore the average-case “Vickrey” cost of structures in a random setting: the Vickrey cost of a shortest path in a complete graph or digraph with random edge weights; the V...
SPAA
2004
ACM
14 years 1 months ago
2004
ACM
In this paper, we examine the problem of large-volume data dissemination via overlay networks. A natural way to maximize the throughput of an overlay multicast session is to split...