1439 search results - page 225 / 288 » Fast approximation of centrality |
EDBT
2008
ACM
14 years 10 months ago
2008
ACM
Sensor networks have been widely used to collect data about the environment. When analyzing data from these systems, people tend to ask exploratory questions--they want to find su...
ICIAP
2005
ACM
14 years 10 months ago
2005
ACM
This paper presents an efficient implementation of moving least square(MLS) approximation for 3D surface reconstruction. The smoothness of the MLS is mainly determined by the weigh...
SODA
2010
ACM
14 years 7 months ago
2010
ACM
We consider the problem of detecting a vector of symbols that is being transmitted over a fading multiple?input multiple?output (MIMO) channel, where each symbol is an ?th root of...
EWSN
2010
Springer
14 years 7 months ago
2010
Springer
Abstract. Several localization algorithms exist for wireless sensor networks that use angle of arrival measurements to estimate node position. However, there are limited options fo...
ICDM
2009
IEEE
14 years 4 months ago
2009
IEEE
Although mixed-membership models have achieved great success in unsupervised learning, they have not been widely applied to classification problems. In this paper, we propose a f...