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Predictive Memory for an Inaccessible Environment.
Mike Bowling,
Peter Stone, and Manuela Veloso.
In
Proceedings of the IROS-96 Workshop on RoboCup, pp. 28–34, Osaka, Japan, November 1996.
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version.
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Inaccessible and nondeterministic environments are very common in real-world problems. One of the difficulties in these environments is representing the knowledge about the unknown aspects of the state. We present a solution to this problem for the robotic soccer domain, an inaccessible and nondeterministic environment. We developed a predictive memory model that builds a probabilistic representation of the state based on past observations. By making the right assumptions, an effective model can be created that can store and update knowledge for even the inaccessible parts of the environment. Experiments were conducted to compare the effectiveness of our approach with a simpler approach, which ignored the inaccessible parts of the environment. The experiments consisted of using the memory models in a situation of a free ball, where two players are racing after the ball to be the first to pass it or kick it to one of their teammates or the goal. The results obtained demonstrate that this predictive approach does generate an effective memory model, which outperforms a non-predictive model.
@InProceedings(IROS96b,
author="Mike Bowling and Peter Stone and Manuela Veloso",
title ="Predictive Memory for an Inaccessible Environment",
booktitle ="Proceedings of the IROS-96 Workshop on {R}obo{C}up",
pages="28--34",
address="Osaka, Japan",
month ="November",year="1996",
abstract={
Inaccessible and nondeterministic environments are
very common in real-world problems. One of the
difficulties in these environments is representing
the knowledge about the unknown aspects of the
state. We present a solution to this problem for
the robotic soccer domain, an inaccessible and
nondeterministic environment. We developed a
predictive memory model that builds a probabilistic
representation of the state based on past
observations. By making the right assumptions, an
effective model can be created that can store and
update knowledge for even the inaccessible parts of
the environment. Experiments were conducted to
compare the effectiveness of our approach with a
simpler approach, which ignored the inaccessible
parts of the environment. The experiments consisted
of using the memory models in a situation of a free
ball, where two players are racing after the ball to
be the first to pass it or kick it to one of their
teammates or the goal. The results obtained
demonstrate that this predictive approach does
generate an effective memory model, which
outperforms a non-predictive model.
},
wwwnote={<a href="http://www.cs.utexas.edu/~pstone/Papers/96iros/memory/final-paper.html">HTML version</a>.},
)
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