@Article{An_Ontology_for_Context_Aware_Pervasive_Computing_Environments,
  author = "Harry  Chen and Anupam  Joshi",
  title = "{An Ontology for Context-Aware Pervasive Computing Environments}",
  month = "May",
  year = "2004",
  pages = "197--207",
  number = "3",
  volume = "18",
  journal = "Special Issue on Ontologies for Distributed Systems, Knowledge Engineering Review",
  publisher = "Cambridge University Press",
}