Karl Krukow Mogens Nielsen From Simulations to Theorems: A Position Paper on Research in the Field of Computational Trust. 96-111 2006 conf/ifip1-7/2006 Formal Aspects in Security and Trust http://dx.doi.org/10.1007/978-3-540-75227-1_7 db/conf/ifip1-7/fast2006.html#KrukowN06