@InProceedings{Modeling_Conversation_Policies_using_Permissions_and_Obligations,
  author = "Lalana  Kagal and Tim  Finin",
  title = "{Modeling Conversation Policies using Permissions and Obligations}",
  month = "July",
  year = "2004",
  booktitle = "AAMAS 2004 Workshop on Agent Communication (AC2004)",
}