@Article{Security_Policies_and_Trust_in_Ubiquitous_Computing,
  author = "Anupam  Joshi and Tim  Finin and Lalana  Kagal and Jim  Parker and Anand  Patwardhan",
  title = "{Security Policies and Trust in Ubiquitous Computing}",
  month = "October",
  year = "2008",
  pages = "3769-3780",
  number = "1881",
  volume = "366",
  journal = "Philosophical Transactions of the Royal Society A",
  publisher = "Royal Society Publishing",
}