@InProceedings{lopsil,
 author = "Jay Ligatti and Billy Rickey and Nalin Saigal",
 title = "{LoPSiL}: A Location-based Policy-specification Language",
 booktitle = "Proceedings of the International Conference on Security and Privacy in Mobile Information and Communication Systems ({MobiSec})",
 year = 2009,
 month = jun,
 pages = {265--277},
}