@inproceedings{JLMM14, author = {Zhang Jie and Yang Liu and Sjouke Mauw and Tim Muller}, title = {On robustness of trust systems}, booktitle = {Proc.\ 8th IFIP WG 11.11 International Conference on Trust Management (IFIPTM'14)}, publisher = {IFIP}, pages = {44--60}, address = {Singapore}, month = {July 7-10}, year = {2014} }