@InProceedings{PaekGandheChickeringJu2007,
  author = 	 {Tim Paek and Sudeep Gandhe and Max Chickering and Yun Chen Ju},
  title = 	 {Handling out-of-grammar commands in mobile speech interaction using backoff filler models},
  booktitle = 	 {Proceedings of the ACL Workshop on Grammar-Based Approaches to Spoken Language Processing},
  pages =	 {33--40},
  year =	 2007
}