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TIT
2008
84views more  TIT 2008»
15 years 5 months ago
A Note on Rate-Distortion Functions for Nonstationary Gaussian Autoregressive Processes
Source coding theorems and Shannon rate-distortion functions were studied for the discrete-time Wiener process by Berger and generalized to nonstationary Gaussian autoregressive p...
Robert M. Gray, Takeshi Hashimoto
JMIV
2010
98views more  JMIV 2010»
15 years 5 months ago
Expectations of Random Sets and Their Boundaries Using Oriented Distance Functions
Shape estimation and object reconstruction are common problems in image analysis. Mathematically, viewing objects in the image plane as random sets reduces the problem of shape es...
Hanna K. Jankowski, Larissa I. Stanberry
JMLR
2010
143views more  JMLR 2010»
15 years 5 months ago
A Quasi-Newton Approach to Nonsmooth Convex Optimization Problems in Machine Learning
We extend the well-known BFGS quasi-Newton method and its memory-limited variant LBFGS to the optimization of nonsmooth convex objectives. This is done in a rigorous fashion by ge...
Jin Yu, S. V. N. Vishwanathan, Simon Günter, ...
JUCS
2010
141views more  JUCS 2010»
15 years 5 months ago
How is e-Government Progressing? A Data Driven Approach to E-government Monitoring
: As ICT provide a lot of possibilities, high expectancies exist towards the electronic public service provision. All governments are increasingly establishing their e-strategies. ...
Jeroen Stragier, Pieter Verdegem, Gino Verleye
KESAMSTA
2010
Springer
15 years 5 months ago
Modeling and Verifying Business Interactions via Commitments and Dialogue Actions
A variety of business interactions in open environments can be captured in terms of creation and manipulation of social commitments among the agents. Such interactions include B2B ...
Mohamed El-Menshawy, Jamal Bentahar, Rachida Dssou...