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IMC
2009
ACM
14 years 4 months ago
Understanding online social network usage from a network perspective
Online Social Networks (OSNs) have already attracted more than half a billion users. However, our understanding of which OSN features attract and keep the attention of these users...
Fabian Schneider, Anja Feldmann, Balachander Krish...
IMC
2009
ACM
14 years 4 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...
IMC
2009
ACM
14 years 4 months ago
Impact of transient CSMA/CA access delays on active bandwidth measurements
WLAN devices based on CSMA/CA access schemes have become a fundamental component of network deployments. In such wireless scenarios, traditional networking applications, tools, an...
Marc Portoles-Comeras, Albert Cabellos-Aparicio, J...
MM
2009
ACM
252views Multimedia» more  MM 2009»
14 years 4 months ago
Localizing volumetric motion for action recognition in realistic videos
This paper presents a novel motion localization approach for recognizing actions and events in real videos. Examples include StandUp and Kiss in Hollywood movies. The challenge ca...
Xiao Wu, Chong-Wah Ngo, Jintao Li, Yongdong Zhang
MOBICOM
2009
ACM
14 years 4 months ago
Mobility increases the connectivity of K-hop clustered wireless networks
In this paper we investigate the connectivity for large-scale clustered wireless sensor and ad hoc networks. We study the effect of mobility on the critical transmission range fo...
Qingsi Wang, Xinbing Wang, Xiaojun Lin