@InCollection{Hammond2002NaturalAbstract,
  author =       {Tracy Hammond and Kalani Oshiro and Randall Davis},
  title =        {Natural Editing and Recognition of UML Class Diagrams},
  booktitle =    {MIT Artificial Intelligence Laboratory Annual Abstract},
  publisher =    {MIT AI Lab},
  year =         2001,
  month =        {September},
  keywords =     {multimodal}
}