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» Equivalences on Observable Processes
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IPMI
2009
Springer
14 years 11 months ago
Tractography Segmentation Using a Hierarchical Dirichlet Processes Mixture Model
In this paper, we propose a new nonparametric Bayesian framework to cluster white matter fiber tracts into bundles using a hierarchical Dirichlet processes mixture (HDPM) model. Th...
Carl-Fredrik Westin, W. Eric L. Grimson, Xiaogang ...
DCC
2004
IEEE
14 years 9 months ago
On the Entropy of a Hidden Markov Process
We study the entropy rate of a hidden Markov process (HMP) defined by observing the output of a binary symmetric channel whose input is a first-order binary Markov process. Despit...
Philippe Jacquet, Gadiel Seroussi, Wojciech Szpank...
HICSS
2009
IEEE
143views Biometrics» more  HICSS 2009»
14 years 5 months ago
Bridge Methods: Using a Balanced Project Practice Portfolio to Integrate Agile and Formal Process Methodologies
This paper examines the non-linear nature of progress on software projects. It asserts that this uneven accomplishment stems from the continuous need to drive value quickly in res...
Stephen J. Cohen, William H. Money
IPPS
2009
IEEE
14 years 4 months ago
Elastic scaling of data parallel operators in stream processing
We describe an approach to elastically scale the performance of a data analytics operator that is part of a streaming application. Our techniques focus on dynamically adjusting th...
Scott Schneider, Henrique Andrade, Bugra Gedik, Al...
IPPS
2007
IEEE
14 years 4 months ago
Fast Failure Detection in a Process Group
Failure detectors represent a very important building block in distributed applications. The speed and the accuracy of the failure detectors is critical to the performance of the ...
Xinjie Li, Monica Brockmeyer