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ICCV
2011
IEEE
12 years 7 months ago
A String of Feature Graphs Model for Recognition of Complex Activities in Natural Videos
Videos usually consist of activities involving interactions between multiple actors, sometimes referred to as complex activities. Recognition of such activities requires modeling ...
Utkarsh Gaur, Yingying Zhu, Bi Song, Amit Roy-Chow...
CLOUD
2010
ACM
14 years 21 days ago
Hermes: clustering users in large-scale e-mail services
Hermes is an optimization engine for large-scale enterprise e-mail services. Such services could be hosted by a virtualized e-mail service provider, or by dedicated enterprise dat...
Thomas Karagiannis, Christos Gkantsidis, Dushyanth...
KDD
2008
ACM
165views Data Mining» more  KDD 2008»
14 years 8 months ago
Colibri: fast mining of large static and dynamic graphs
Low-rank approximations of the adjacency matrix of a graph are essential in finding patterns (such as communities) and detecting anomalies. Additionally, it is desirable to track ...
Hanghang Tong, Spiros Papadimitriou, Jimeng Sun, P...
TROB
2008
128views more  TROB 2008»
13 years 7 months ago
Convergence-Preserving Switching for Topology-Dependent Decentralized Systems
Abstract-- Stability analysis of decentralized control mechanisms for networked, coordinating systems has generally focused on specific controller implementations, such as nearest ...
Brian Shucker, Todd D. Murphey, John K. Bennett
TASLP
2008
123views more  TASLP 2008»
13 years 7 months ago
Normalized Cuts for Predominant Melodic Source Separation
The predominant melodic source, frequently the singing voice, is an important component of musical signals. In this paper, we describe a method for extracting the predominant sourc...
Mathieu Lagrange, Luis Gustavo Martins, Jennifer M...