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  Prediction-Directed Compression of POMDPs

Boularias, A., Izadi, M., & Chaib-Draa, B. (2008). Prediction-Directed Compression of POMDPs. In A. Wani, X.-W. Chen, D. Casasent, L. Kurgan, T. Hu, & K. Hafeez (Eds.), 2008 Seventh International Conference on Machine Learning and Applications (pp. 99-105). Piscataway, NJ, USA: IEEE.

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 Creators:
Boularias, A1, Author              
Izadi, M, Author
Chaib-Draa, B, Author
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1External Organizations, ou_persistent22              

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 Abstract: High dimensionality of belief space in partially observable Markov decision processes (POMDPs) is one of the major causes that severely restricts the applicability of this model. Previous studies have demonstrated that the dimensionality of a POMDP can eventually be reduced by transforming it into an equivalent predictive state representation (PSR). In this paper, we address the problem of finding an approximate and compact PSR model corresponding to a given POMDP model. We formulate this problem in an optimization framework. Our algorithm tries to minimize the potential error that missing some core tests may cause. We also present an empirical evaluation on benchmark problems, illustrating the performance of this approach.

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 Dates: 2008-12
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1109/ICMLA.2008.115
BibTex Citekey: 6829
 Degree: -

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Title: Seventh International Conference on Machine Learning and Applications
Place of Event: San Diego, CA, USA
Start-/End Date: 2008-12-11 - 2008-12-13

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Title: 2008 Seventh International Conference on Machine Learning and Applications
Source Genre: Proceedings
 Creator(s):
Wani, A, Editor
Chen, X-W, Editor
Casasent, D, Editor
Kurgan, LA, Editor
Hu, T, Editor
Hafeez, K, Editor
Affiliations:
-
Publ. Info: Piscataway, NJ, USA : IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 99 - 105 Identifier: ISBN: 978-0-7695-3495-4