796 search results - page 134 / 160 » Approximating the centroid is hard |
MOBIHOC
2007
ACM
14 years 7 months ago
2007
ACM
The non-existence of an end-to-end path poses a challenge in adapting the traditional routing algorithms to delay tolerant networks (DTNs). Previous works include centralized rout...
MOBIHOC
2003
ACM
14 years 7 months ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
MOBIHOC
2003
ACM
14 years 7 months ago
2003
ACM
In this paper, we address the problem of energy-conscious cache placement in wireless ad hoc networks. We consider a network comprising a server with an interface to the wired net...
POPL
2010
ACM
14 years 5 months ago
2010
ACM
The definition of type equivalence is one of the most important design issues for any typed language. In dependentlytyped languages, because terms appear in types, this definition...
SODA
2010
ACM
14 years 5 months ago
2010
ACM
We consider the following model for fire containment. We are given an undirected graph G = (V, E) with a source vertex s where the fire starts. At each time step, the firefighters...