@InProceedings{Sachi11ICRA,
  author =       {S. Hemachandra and T. Kollar and N. Roy and S. Teller},
  title =        {Following and Interpreting Narrated Guided Tours}
  booktitle =    {Proceedings of the IEEE International Conference on
Robotics and Automation}
  year =         {2011},
  address =      {Shanghai, China},
}