Sciweavers

2009 search results - page 99 / 402
» Dense Interest Points
Sort
View
WWW
2008
ACM
14 years 8 months ago
Social and semantics analysis via non-negative matrix factorization
Social media such as Web forum often have dense interactions between user and content where network models are often appropriate for analysis. Joint non-negative matrix factorizat...
Zhi-Li Wu, Chi-Wa Cheng, Chun-hung Li
PERCOM
2005
ACM
14 years 7 months ago
Supporting Topographic Queries in a Class of Networked Sensor Systems
Topographic querying is the process of extracting data from a sensor network for understanding the graphic delineation of features of interest in a terrain. Query processing techn...
Mitali Singh, Viktor K. Prasanna
WWW
2010
ACM
14 years 3 months ago
On the high density of leadership nuclei in endorsement social networks
In this paper we study the community structure of endorsement networks, i.e., social networks in which a directed edge u → v is asserting an action of support from user u to use...
Guillermo Garrido, Francesco Bonchi, Aristides Gio...
ICRA
2009
IEEE
248views Robotics» more  ICRA 2009»
14 years 2 months ago
Moving obstacle detection in highly dynamic scenes
Abstract— We address the problem of vision-based multiperson tracking in busy pedestrian zones using a stereo rig mounted on a mobile platform. Specifically, we are interested i...
Andreas Ess, Bastian Leibe, Konrad Schindler, Luc ...
SIGCOMM
2009
ACM
14 years 2 months ago
Opportunistic forwarding in workplaces
So far, the search for Opportunistic Network (ON) applications has focused on urban/rural scenarios where the combined use of mobility and the store-carry-and-forward paradigm hel...
Sabrina Gaito, Elena Pagani, Gian Paolo Rossi