@techreport{tripathi:coordination, author = {Anand Tripathi, Tanvir Ahmed, Richa Kumar, Shremattie Jaman}, title = {{A Coordination Model for Secure Distributed Collaboration}}, institution = {Department of Computer Science, University of Minnesota}, year = {2001}, month = {December}, note = {To appear in Proceedings of Workshop on Internet Process Coordination and Ubiquitous Computing, CRC Press} }