Escape from the matrix: lessons from a case-study in access-control requirements.

Kathi Fisler Shriram Krishnamurthi Escape from the matrix: lessons from a case-study in access-control requirements. 2009 SOUPS http://doi.acm.org/10.1145/1572532.1572567 conf/soups/2009 db/conf/soups/soups2009.html#FislerK09