@TechReport{A_Pervasive_Computing_Ontology_for_User_Privacy_Protection_in_the_Context_Broker_Architecture, author = "Harry Chen, Tim Finin, and Anupam Joshi", title = "{A Pervasive Computing Ontology for User Privacy Protection in the Context Broker Architecture}", month = "July", year = "2004", number = "TR-CS-04-08", institution = "University of Maryland, Baltimore County", }