Lapadula, Alessandro and Pugliese, Rosario and Tiezzi, Francesco  Regulating Data Exchange in Service Oriented Applications.   In:  International Symposium on Fundamentals of Software Engineering (FSEN 2007).   Lecture Notes in Computer Science, 4767 .  Springer, pp. 223-239.  ISBN 978-3-540-75697-2      (2007)