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NIPS
2008
13 years 10 months ago
Covariance Estimation for High Dimensional Data Vectors Using the Sparse Matrix Transform
Covariance estimation for high dimensional vectors is a classically difficult problem in statistical analysis and machine learning. In this paper, we propose a maximum likelihood ...
Guangzhi Cao, Charles A. Bouman
PST
2008
13 years 10 months ago
An Access Control Scheme for Protecting Personal Data
This paper presents a new personal data access control (PDAC) scheme that is inspired by the protection schemes practiced in communities for sharing valuable commodities. The PDAC...
Wilfred Villegas, Bader Ali, Muthucumaru Maheswara...
SDM
2008
SIAM
123views Data Mining» more  SDM 2008»
13 years 10 months ago
Constrained Co-clustering of Gene Expression Data
In many applications, the expert interpretation of coclustering is easier than for mono-dimensional clustering. Co-clustering aims at computing a bi-partition that is a collection...
Ruggero G. Pensa, Jean-François Boulicaut
PDPTA
2007
13 years 10 months ago
Python-based Distributed Programming with Trickle
Abstract Trickle is a an extension to the Python programming language that provides explicit but simple mechanisms to write distributed scripts and programs. Trickle links together...
Gregory Benson, Alexey Fedosov
SIROCCO
2007
13 years 10 months ago
Data Aggregation in Sensor Networks: Balancing Communication and Delay Costs
In a sensor network the sensors, or nodes, obtain data and have to communicate these data to a central node. Because sensors are battery powered they are highly energy constrained....
Peter Korteweg, Alberto Marchetti-Spaccamela, Leen...