@Article{Security_and_Privacy_Challenges_in_Open_and_Dynamic_Environments,
	author = "Lalana Kagal, Tim Finin, Anupam Joshi, and Sol Greenspan",
	title = "{Security and Privacy Challenges in Open and Dynamic Environments}",
	month = "June",
	year = "2006",
	organization = "IEEE",
	pages = "89-91",
	number = "6",
	volume = "39",
	journal = "Computer",
}