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GIS
2009
ACM
14 years 8 months ago
From GPS Traces to a Routable Road Map
This paper presents a method for automatically converting raw GPS traces from everyday vehicles into a routable road network. The method begins by smoothing raw GPS traces using a...
Lili Cao, John Krumm
KDD
2009
ACM
173views Data Mining» more  KDD 2009»
14 years 8 months ago
Constant-factor approximation algorithms for identifying dynamic communities
We propose two approximation algorithms for identifying communities in dynamic social networks. Communities are intuitively characterized as "unusually densely knit" sub...
Chayant Tantipathananandh, Tanya Y. Berger-Wolf
MOBISYS
2006
ACM
14 years 7 months ago
Efficient and transparent dynamic content updates for mobile clients
We introduce a novel infrastructure supporting automatic updates for dynamic content browsing on resource constrained mobile devices. Currently, the client is forced to continuous...
Trevor Armstrong, Olivier Trescases, Cristiana Amz...
EWSN
2009
Springer
14 years 2 months ago
SCOPES: Smart Cameras Object Position Estimation System
In this paper we present SCOPES, a distributed Smart Camera Object Position Estimation sensor network System that provides maps of distribution of people in indoors environments. ...
Ankur Kamthe, Lun Jiang, Matthew Dudys, Alberto Ce...
IMC
2009
ACM
14 years 2 months ago
Modeling user activities in a large IPTV system
Internet Protocol Television (IPTV) has emerged as a new delivery method for TV. In contrast with native broadcast in traditional cable and satellite TV system, video streams in I...
Tongqing Qiu, Zihui Ge, Seungjoon Lee, Jia Wang, J...