@InCollection{A_Policy_Language_for_A_Pervasive_Computing_Environment,
  author = "Lalana  Kagal and Tim  Finin and Anupam  Joshi",
  title = "{A Policy Language for A Pervasive Computing Environment}",
  month = "June",
  year = "2003",
  booktitle = " IEEE 4th International Workshop on Policies for Distributed Systems and Networks",
}