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CORR
2006
Springer
76views Education» more  CORR 2006»
13 years 9 months ago
Inconsistent parameter estimation in Markov random fields: Benefits in the computation-limited setting
Consider the problem of joint parameter estimation and prediction in a Markov random field: i.e., the model parameters are estimated on the basis of an initial set of data, and th...
Martin J. Wainwright
CORR
2006
Springer
105views Education» more  CORR 2006»
13 years 9 months ago
Capacity Results for Block-Stationary Gaussian Fading Channels with a Peak Power Constraint
Abstract--A peak-power-limited single-antenna block-stationary Gaussian fading channel is studied, where neither the transmitter nor the receiver knows the channel state informatio...
Jun Chen, Venugopal V. Veeravalli
CORR
2007
Springer
110views Education» more  CORR 2007»
13 years 9 months ago
Information-theoretic limits on sparsity recovery in the high-dimensional and noisy setting
The problem of recovering the sparsity pattern of a fixed but unknown vector β∗ ∈ Rp based on a set of n noisy observations arises in a variety of settings, including subset...
Martin J. Wainwright
CORR
2007
Springer
150views Education» more  CORR 2007»
13 years 9 months ago
Social Information Processing in Social News Aggregation
The rise of social media sites — blogs, wikis, and Digg — underscores the transformation of the Web to a participatory medium in which users are collaboratively creating, eval...
Kristina Lerman
CORR
2007
Springer
138views Education» more  CORR 2007»
13 years 9 months ago
On the Performance Evaluation of Encounter-based Worm Interactions Based on Node Characteristics
An encounter-based network is a frequently-disconnected wireless ad-hoc network requiring nearby neighbors to store and forward data utilizing mobility and encounters over time. U...
Sapon Tanachaiwiwat, Ahmed Helmy