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ICASSP
2009
IEEE
16 years 1 months ago
Multi-layer ratio Semi-Definite Classifiers
We develop a novel extension to the Ratio Semi-definite Classifier, a discriminative model formulated as a ratio of semi-definite polynomials. By adding a hidden layer to the m...
Jonathan Malkin, Jeff Bilmes
WG
2009
Springer
16 years 29 days ago
A New Intersection Model and Improved Algorithms for Tolerance Graphs
Tolerance graphs model interval relations in such a way that intervals can tolerate a certain degree of overlap without being in conflict. This class of graphs, which generalizes...
George B. Mertzios, Ignasi Sau, Shmuel Zaks
PKDD
2009
Springer
92views Data Mining» more  PKDD 2009»
16 years 27 days ago
A Generic Approach to Topic Models
This article contributes a generic model of topic models. To define the problem space, general characteristics for this class of models are derived, which give rise to a represent...
Gregor Heinrich
CIE
2009
Springer
16 years 29 days ago
Computational Heuristics for Simplifying a Biological Model
Abstract. Computational biomodelers adopt either of the following approaches: build rich, as complete as possible models in an effort to obtain very realistic models, or on the co...
Ion Petre, Andrzej Mizera, Ralph-Johan Back
WINE
2009
Springer
145views Economy» more  WINE 2009»
16 years 29 days ago
The Complexity of Models of International Trade
We show a range of complexity results for the Ricardo and Heckscher-Ohlin models of international trade (as Arrow-Debreu production markets). For both models, we show three types o...
Christopher A. Wilkens