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13 years 11 months ago
Bayesian multitask inverse reinforcement learning
We generalise the problem of inverse reinforcement learning to multiple tasks, from multiple demonstrations. Each one may represent one expert trying to solve a different task, or ...
Christos Dimitrakakis, Constantin A. Rothkopf
IR
2011
14 years 7 months ago
Learning to rank for why-question answering
In this paper, we evaluate a number of machine learning techniques for the task of ranking answers to why-questions. We use TF-IDF together with a set of 36 linguistically motivate...
Suzan Verberne, Hans van Halteren, Daphne Theijsse...
76
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COMBINATORICA
2010
14 years 6 months ago
Asymptotic enumeration of integer matrices with large equal row and column sums
Let s, t, m, n be positive integers such that sm = tn. Let M(m, s; n, t) be the number of m
E. Rodney Canfield, Brendan D. McKay
107
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JMLR
2010
136views more  JMLR 2010»
14 years 7 months ago
Reducing Label Complexity by Learning From Bags
We consider a supervised learning setting in which the main cost of learning is the number of training labels and one can obtain a single label for a bag of examples, indicating o...
Sivan Sabato, Nathan Srebro, Naftali Tishby
CVPR
2012
IEEE
13 years 2 months ago
Unsupervised learning of translation invariant occlusive components
We study unsupervised learning of occluding objects in images of visual scenes. The derived learning algorithm is based on a probabilistic generative model which parameterizes obj...
Zhenwen Dai, Jörg Lücke