@TechReport{Collaborative_Joins_in_a_Pervasive_Computing_Environment,
	author = "Filip Perich, Anupam Joshi, Yelena Yesha, and Tim Finin",
	title = "{Collaborative Joins in a Pervasive Computing Environment}",
	month = "August",
	year = "2003",
	institution = "University of Maryland, Baltimore County",
}