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Much of artificial intelligence research is focused on devising
optimal solutions for challenging and well-defined but highly
constrained problems.  However, as we begin creating autonomous agents
to operate in the rich environments of modern videogames and computer
simulations, it becomes important to devise agent behaviors that
display the visible attributes of intelligence, rather than simply
performing optimally.  Such visibly intelligent behavior is difficult
to specify with rules or characterize in terms of quantifiable
objective functions, but it is possible to utilize human intuitions to
directly guide a learning system toward the desired sorts of behavior.
Policy induction from human-generated examples is a promising approach
to training such agents.  In this paper, such a method is
developed and tested using Lamarckian neuroevolution. Artificial
neural networks are evolved to control autonomous agents in a strategy
game. The evolution is guided by human-generated examples of play, and
the system effectively learns the policies that were used by the
player to generate the examples.  I.e., the agents learn visibly
intelligent behavior.  In the future, such methods are likely to play
a central role in creating autonomous agents for complex environments,
making it possible to generate rich behaviors derived from nothing
more formal than the intuitively generated examples of designers, players,
or subject-matter experts.


Bobby D. Bryant and Risto Miikkulainen (2007).
Acquiring Visibly Intelligent Behavior with Example-Guided Neuroevolution.
''Proceedings of the Twenty-Second National Conference on Artificial Intelligence (AAAI-07)'', pp. 801-808. Menlo Park, CA: AAAI Press.

* Self-archived [http://nebl.cse.unr.edu/archive/papers/bryant-2007-aaai.pdf PDF]

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