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» A Critical View of Context
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TVCG
2011
100views more  TVCG 2011»
14 years 4 months ago
Tugging Graphs Faster: Efficiently Modifying Path-Preserving Hierarchies for Browsing Paths
—Many graph visualization systems use graph hierarchies to organize a large input graph into logical components. These approaches detect features globally in the data and place t...
Daniel Archambault, Tamara Munzner, David Auber
JORS
2010
134views more  JORS 2010»
14 years 4 months ago
An overview and framework for PD backtesting and benchmarking
In order to manage model risk, financial institutions need to set up validation processes so as to monitor the quality of the models on an ongoing basis. Validation can be conside...
G. Castermans, David Martens, Tony Van Gestel, B. ...
CORR
2011
Springer
168views Education» more  CORR 2011»
14 years 4 months ago
Submodular meets Spectral: Greedy Algorithms for Subset Selection, Sparse Approximation and Dictionary Selection
We study the problem of selecting a subset of k random variables from a large set, in order to obtain the best linear prediction of another variable of interest. This problem can ...
Abhimanyu Das, David Kempe
AGI
2011
14 years 1 months ago
Compression and Intelligence: Social Environments and Communication
Compression has been advocated as one of the principles which pervades inductive inference and prediction - and, from there, it has also been recurrent in definitions and tests of...
David L. Dowe, José Hernández-Orallo...
FGR
2011
IEEE
271views Biometrics» more  FGR 2011»
14 years 1 months ago
Active conditional models
— Matching images with large geometric and iconic changes (e.g. faces under different poses and facial expressions) is an open research problem in computer vision. There are two ...
Ying Chen, Fernando De la Torre