@TechReport{A_Service_for_Aggregating_and_Interpreting_Contextual_Information,
	author = "Filip Perich",
	title = "{A Service for Aggregating and Interpreting Contextual Information}",
	month = "August",
	year = "2002",
	address = "Palo Alto, CA",
	institution = "Hewlett-Packard Laboratories",
}