1254 search results - page 126 / 251 » Making Hard Problems Harder |
SIGMOD
2009
ACM
14 years 10 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
PODS
2006
ACM
14 years 10 months ago
2006
ACM
Finding icebergs ? items whose frequency of occurrence is above a certain threshold ? is an important problem with a wide range of applications. Most of the existing work focuses ...
PODS
2008
ACM
14 years 10 months ago
2008
ACM
A fundamental problem in distributed computation is the distributed evaluation of functions. The goal is to determine the value of a function over a set of distributed inputs, in ...
MOBIHOC
2006
ACM
14 years 10 months ago
2006
ACM
To date, topology control in wireless ad hoc and sensor networks--the study of how to compute from the given communication network a subgraph with certain beneficial properties--h...
MOBIHOC
2005
ACM
14 years 10 months ago
2005
ACM
The throughput of wireless networks can be significantly improved by multi-channel communications compared with single-channel communications since the use of multiple channels ca...