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ICASSP
2011
IEEE
14 years 3 months ago
Langevin and hessian with fisher approximation stochastic sampling for parameter estimation of structured covariance
We have studied two efficient sampling methods, Langevin and Hessian adapted Metropolis Hastings (MH), applied to a parameter estimation problem of the mathematical model (Lorent...
Cornelia Vacar, Jean-François Giovannelli, ...
CHI
2011
ACM
14 years 3 months ago
Modeling and predicting pointing errors in two dimensions
Recently, Wobbrock et al. (2008) derived a predictive model of pointing accuracy to complement Fitts’ law’s predictive model of pointing speed. However, their model was based ...
Jacob O. Wobbrock, Alex Jansen, Kristen Shinohara
SIGCOMM
2012
ACM
13 years 2 months ago
Revealing contact interval patterns in large scale urban vehicular ad hoc networks
Contact interval between moving vehicles is one of the key metrics in vehicular ad hoc networks (VANETs), which is important to routing schemes and network capacity. In this work,...
Yong Li, Depeng Jin, Pan Hui, Li Su, Lieguang Zeng
ACL
2012
13 years 2 months ago
Historical Analysis of Legal Opinions with a Sparse Mixed-Effects Latent Variable Model
We propose a latent variable model to enhance historical analysis of large corpora. This work extends prior work in topic modelling by incorporating metadata, and the interactions...
William Yang Wang, Elijah Mayfield, Suresh Naidu, ...
FC
2010
Springer
150views Cryptology» more  FC 2010»
15 years 27 days ago
A Case Study in Ethical Decision Making Regarding Remote Mitigation of Botnets
Abstract. It is becoming more common for researchers to find themselves in a position of being able to take over control of a malicious botnet. If this happens, should they use thi...
David Dittrich, Felix Leder, Tillmann Werner