2295 search results - page 204 / 459 » Learning Overcomplete Representations |
177
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ICML
2003
IEEE
16 years 7 months ago
2003
IEEE
We study the common problem of approximating a target matrix with a matrix of lower rank. We provide a simple and efficient (EM) algorithm for solving weighted low-rank approximat...
168
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AIED
2009
Springer
16 years 1 months ago
2009
Springer
The core problem we address in this paper is how to take a declarative conceptual representation of a complex system and produce an agent-based simulation of that model. In particu...
148
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CANDC
2009
ACM
16 years 1 months ago
2009
ACM
We present a sub-symbolic computational model for effecting knowledge re-representation and insight. Given a set of data, manifold learning is used to automatically organize the d...
155
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ECML
2007
Springer
16 years 20 days ago
2007
Springer
Choosing a suitable feature representation for structured data is a non-trivial task due to the vast number of potential candidates. Ideally, one would like to pick a small, but in...
172
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AIED
2005
Springer
16 years 1 days ago
2005
Springer
This paper discusses the extensions that we have made to Betty’s Brain teachable agent system to help students learn about dynamic processes in a river ecosystem. Students first ...