Susan Chapin Donald B. Faatz Sushil Jajodia Amgad Fayad Consistent policy enforcement in distributed systems using mobile policies. 261-280 2002 43 Data Knowl. Eng. 3 db/journals/dke/dke43.html#ChapinFJF02 http://dx.doi.org/10.1016/S0169-023X(02)00128-3