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SAC
2008
ACM
15 years 6 months ago
Particle methods for maximum likelihood estimation in latent variable models
Standard methods for maximum likelihood parameter estimation in latent variable models rely on the Expectation-Maximization algorithm and its Monte Carlo variants. Our approach is ...
Adam M. Johansen, Arnaud Doucet, Manuel Davy
PVLDB
2010
119views more  PVLDB 2010»
15 years 5 months ago
An Architecture for Parallel Topic Models
This paper describes a high performance sampling architecture for inference of latent topic models on a cluster of workstations. Our system is faster than previous work by over an...
Alexander J. Smola, Shravan Narayanamurthy
PERVASIVE
2009
Springer
16 years 1 months ago
Situvis: A Visual Tool for Modeling a User's Behaviour Patterns in a Pervasive Environment
Abstract. One of the key challenges faced when developing contextaware pervasive systems is to capture the set of inputs that we want a system to adapt to. Arbitrarily specifying r...
Adrian K. Clear, Ross Shannon, Thomas Holland, Aar...
CCS
2006
ACM
15 years 10 months ago
On the modeling and analysis of obligations
Traditional security policies largely focus on access control requirements, which specify who can access what under what circumstances. Besides access control requirements, the av...
Keith Irwin, Ting Yu, William H. Winsborough
CSSE
2008
IEEE
16 years 1 months ago
Modeling and Implementation for Embedded DC Motor Ethernet Control System
—In this paper, a model of Embedded DC Motor Ethernet Control System is proposed with analysis on transmission time delay and data packet dropout. Based on this model, the ECS is...
Lingbo Zhu, Guanzhong Dai, Li Shin, Xuefang Lin-Sh...