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Enhancing the Security of Image CAPTCHAs Through Noise Addition.

, , , , and . SEC, volume 455 of IFIP Advances in Information and Communication Technology, page 354-368. Springer, (2015)

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Supporting Delegation in Secure Workflow Management Systems., , , and . DBSec, volume 142 of IFIP, page 190-202. Kluwer/Springer, (2003)SecureFlow: A Secure Web-Enabled Workflow Management System., and . ACM Workshop on Role-Based Access Control, page 83-94. ACM, (1999)Security of Data and Transaction Processing - Guest Editor's Introduction., and . Distributed Parallel Databases, 8 (1): 5-6 (2000)An authorization model for temporal and derived data: securing information portals., and . ACM Trans. Inf. Syst. Secur., 5 (1): 62-94 (2002)Security analysis of ABAC under an administrative model., , , and . IET Inf. Secur., 13 (2): 96-103 (2019)Alternative Correctness Criteria for Concurrent Execution of Transactions in Multilevel Secure Databases., , and . IEEE Trans. Knowl. Data Eng., 8 (5): 839-854 (1996)AMTRAC: An administrative model for temporal role-based access control., , , and . Comput. Secur., (2013)Geospatial Database Security., and . Handbook of Database Security, Springer, (2008)Selective View Materialization in a Spatial Data Warehouse., , and . DaWaK, volume 3589 of Lecture Notes in Computer Science, page 157-167. Springer, (2005)Poster: Constrained Policy Mining in Attribute Based Access Control., , , , and . SACMAT, page 121-123. ACM, (2017)