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@InProceedings{AAMAS11-urieli,
  author="Daniel Urieli and Patrick MacAlpine and Shivaram Kalyanakrishnan and Yinon Bentor and Peter Stone",
  title="On Optimizing Interdependent Skills: A Case Study in Simulated 3D Humanoid Robot Soccer",
  booktitle="Proc. of 10th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS)",
  month="May",
  year="2011",
  abstract={ In several realistic domains an agent's behavior
  is composed of multiple \textit{interdependent} skills. For example, 
  consider a humanoid robot that must play soccer, as is the focus of this
  paper. In order to succeed, it is clear that the robot needs to walk
  quickly, turn sharply, and kick the ball far. However, these
  individual skills are ineffective if the robot falls down when
  switching from walking to turning, or if it cannot position itself
  behind the ball for a kick.
  This paper presents a learning architecture for a humanoid robot
  soccer agent that has been fully deployed and tested within the
  RoboCup 3D simulation environment. First, we demonstrate that
  individual skills such as walking and turning can be parameterized and
  optimized to match the best performance statistics reported in the
  literature.  These results are achieved through effective use of the
  CMA-ES optimization algorithm. Next, we describe a framework for
  optimizing skills \textit{in conjunction} with one another, a
  little-understood problem with substantial practical
  significance. Over several phases of learning, a total of roughly 100--150
  parameters are optimized. Detailed experiments show that an agent thus
  optimized performs comparably with the top teams from the RoboCup 2010
  competitions, while taking relatively few man-hours for development. },
  wwwnote={Accompanying videos at <a href="http://www.cs.utexas.edu/~AustinVilla/sim/3dsimulation/AustinVilla3DSimulationFiles/2010/html/skilloptimization2010.html">http://www.cs.utexas.edu/~AustinVilla/sim/3dsimulation/AustinVilla3DSimulationFiles/2010/html/skilloptimization2010.html</a>},
  ISBN =      "978-0-9826571-5-7",
  editor =    "Tumer, Kagan and Yolum, Pinar and Sonenberg, Liz and Stone, Peter",
  volume =    "2",
  publisher = "IFAAMAS",
  pages =     "769--776",
}