Ravi S. Sandhu

Mukesh Singhal, Santosh Chandrasekhar, Tingjian Ge, Ravi S. Sandhu, Ram Krishnan, Gail-Joon Ahn, Elisa Bertino: Collaboration in Multicloud Computing Environments: Framework and Security Issues. IEEE Computer 46(2): 76-84 (2013)

Lianshan Sun, Jaehong Park, Ravi S. Sandhu: Engineering access control policies for provenance-aware systems. CODASPY 2013: 285-292

Elisa Bertino, Ravi S. Sandhu, Lujo Bauer, Jaehong Park (Eds.): Third ACM Conference on Data and Application Security and Privacy, CODASPY'13, San Antonio, TX, USA, February 18-20, 2013. ACM 2013, isbn 978-1-4503-1890-7

Ravi S. Sandhu: Speculations on the science of web user security. Computer Networks 56(18): 3891-3895 (2012)

Ravi S. Sandhu: Editorial. IEEE Trans. Dependable Sec. Comput. 9(1): 1 (2012)

Khalid Zaman Bijon, Tahmina Ahmed, Ravi S. Sandhu, Ram Krishnan: A lattice interpretation of group-centric collaboration with expedient insiders. CollaborateCom 2012: 200-209

Khalid Zaman Bijon, Ravi S. Sandhu, Ram Krishnan: A group-centric model for collaboration with expedient insiders in multilevel systems. CTS 2012: 419-426

Yuan Cheng, Jaehong Park, Ravi S. Sandhu: A User-to-User Relationship-Based Access Control Model for Online Social Networks. DBSec 2012: 8-24

Xin Jin, Ram Krishnan, Ravi S. Sandhu: A Unified Attribute-Based Access Control Model Covering DAC, MAC and RBAC. DBSec 2012: 41-55

Khalid Zaman Bijon, Ram Krishnan, Ravi S. Sandhu: Risk-Aware RBAC Sessions. ICISS 2012: 59-74

Dang Nguyen, Jaehong Park, Ravi S. Sandhu: Integrated provenance data for access control in group-centric collaboration. IRI 2012: 255-262

Xin Jin, Ravi S. Sandhu, Ram Krishnan: RABAC: Role-Centric Attribute-Based Access Control. MMM-ACNS 2012: 84-96

Jaehong Park, Dang Nguyen, Ravi S. Sandhu: A provenance-based access control model. PST 2012: 137-144

Ravi S. Sandhu: The authorization leap from rights to attributes: maturation or chaos? SACMAT 2012: 69-70

Yuan Cheng, Jaehong Park, Ravi S. Sandhu: Relationship-Based Access Control for Online Social Networks: Beyond User-to-User Relationships. SocialCom/PASSAT 2012: 646-655

Elisa Bertino, Ravi S. Sandhu (Eds.): Second ACM Conference on Data and Application Security and Privacy, CODASPY 2012, San Antonio, TX, USA, February 7-9, 2012. ACM 2012, isbn 978-1-4503-1091-8

Ludwig Fuchs, Günther Pernul, Ravi S. Sandhu: Roles in information security - A survey and classification of the research area. Computers & Security 30(8): 748-769 (2011)

Jaehong Park, Ravi S. Sandhu, Yuan Cheng: A User-Activity-Centric Framework for Access Control in Online Social Networks. IEEE Internet Computing 15(5): 62-65 (2011)

Jaehong Park, Ravi S. Sandhu, Yuan Cheng: A User-Activity-Centric Framework for Access Control in Online Social Networks. IEEE Internet Computing 15(5): 62-65 (2011)

Ram Krishnan, Jianwei Niu, Ravi S. Sandhu, William H. Winsborough: Group-Centric Secure Information-Sharing Models for Isolated Groups. ACM Trans. Inf. Syst. Secur. 14(3): 23 (2011)

Savith Kandala, Ravi S. Sandhu, Venkata Bhamidipati: An Attribute Based Framework for Risk-Adaptive Access Control Models. ARES 2011: 236-241

Jaehong Park, Ravi S. Sandhu, Yuan Cheng: ACON: Activity-Centric Access Control for Social Computing. ARES 2011: 242-247

Ravi S. Sandhu: The challenge of data and application security and privacy (DASPY): are we up to it. CODASPY 2011: 1-2

Jaehong Park, Dang Nguyen, Ravi S. Sandhu: On data provenance in group-centric secure collaboration. CollaborateCom 2011: 221-230

Ravi S. Sandhu, Khalid Zaman Bijon, Xin Jin, Ram Krishnan: RT-based administrative models for community cyber security information sharing. CollaborateCom 2011: 473-478

Ram Krishnan, Ravi S. Sandhu: Authorization Policy Specification and Enforcement for Group-Centric Secure Information Sharing. ICISS 2011: 102-115

Jose Andre Morales, Michael Main, Weiliang Luo, Shouhuai Xu, Ravi S. Sandhu: Building malware infection trees. MALWARE 2011: 50-57

Bruce S. N. Cheung, Lucas Chi Kwong Hui, Ravi S. Sandhu, Duncan S. Wong (Eds.): Proceedings of the 6th ACM Symposium on Information, Computer and Communications Security, ASIACCS 2011, Hong Kong, China, March 22-24, 2011. ACM 2011, isbn 978-1-4503-0564-8

Ravi S. Sandhu, Elisa Bertino (Eds.): First ACM Conference on Data and Application Security and Privacy, CODASPY 2011, San Antonio, TX, USA, February 21-23, 2011, Proceedings. ACM 2011, isbn 978-1-4503-0466-5

Moonam Ko, Gorrell P. Cheek, Mohamed Shehab, Ravi S. Sandhu: Social-Networks Connect Services. IEEE Computer 43(8): 37-43 (2010)

Ravi S. Sandhu: Editorial. IEEE Trans. Dependable Sec. Comput. 7(1): 4 (2010)

Ravi S. Sandhu: Editorial. IEEE Trans. Dependable Sec. Comput. 7(3): 225 (2010)

Erhan J. Kartaltepe, Jose Andre Morales, Shouhuai Xu, Ravi S. Sandhu: Social Network-Based Botnet Command-and-Control: Emerging Threats and Countermeasures. ACNS 2010: 511-528

Ravi S. Sandhu, Raj Boppana, Ram Krishnan, Jeff Reich, Todd Wolff, Josh Zachry: Towards a discipline of mission-aware cloud computing. CCSW 2010: 13-18

Jaehong Park, Yuan Cheng, Ravi S. Sandhu: Towards a framework for cyber social status based trusted open collaboration. CollaborateCom 2010: 1-8

Ravi S. Sandhu, Ram Krishnan, G. B. White: Towards Secure Information Sharing models for community Cyber Security. CollaborateCom 2010: 1-6

Jose Andre Morales, Ravi S. Sandhu, Shouhuai Xu: Evaluating detection and treatment effectiveness of commercial anti-malware programs. MALWARE 2010: 31-38

Ravi S. Sandhu, Ram Krishnan, Jianwei Niu, William H. Winsborough: Group-Centric Models for Secure and Agile Information Sharing. MMM-ACNS 2010: 55-69

Jose Andre Morales, Erhan J. Kartaltepe, Shouhuai Xu, Ravi S. Sandhu: Symptoms-Based Detection of Bot Processes. MMM-ACNS 2010: 229-241

Jose Andre Morales, Areej Al-Bataineh, Shouhuai Xu, Ravi S. Sandhu: Analyzing and Exploiting Network Behaviors of Malware. SecureComm 2010: 20-34

Shouhuai Xu, Haifeng Qian, Fengying Wang, Zhenxin Zhan, Elisa Bertino, Ravi S. Sandhu: Trustworthy Information: Concepts and Mechanisms. WAIM 2010: 398-404

Justin Leonard, Shouhuai Xu, Ravi S. Sandhu: A First Step towards Characterizing Stealthy Botnets. ARES 2009: 106-113

Justin Leonard, Shouhuai Xu, Ravi S. Sandhu: A Framework for Understanding Botnets. ARES 2009: 917-922

Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William H. Winsborough: A conceptual framework for Group-Centric secure information sharing. ASIACCS 2009: 384-387

Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William H. Winsborough: Towards a framework for group-centric secure collaboration. CollaborateCom 2009: 1-10

Ravi S. Sandhu: The PEI framework for application-centric security. CollaborateCom 2009: 1-5

Ram Krishnan, Ravi S. Sandhu: A Hybrid Enforcement Model for Group-centric Secure Information Sharing. CSE (3) 2009: 189-194

Shouhuai Xu, Ravi S. Sandhu, Elisa Bertino: TIUPAM: A Framework for Trustworthiness-Centric Information Sharing. IFIPTM 2009: 164-175

Tim Finin, Anupam Joshi, Hillol Kargupta, Yelena Yesha, Joel Sachs, Elisa Bertino, Ninghui Li, Chris Clifton, Gene Spafford, Bhavani M. Thuraisingham, Murat Kantarcioglu, Alain Bensoussan, Nathan Berg, Latifur Khan, Jiawei Han, ChengXiang Zhai, Ravi S. Sandhu, Shouhuai Xu, Jim Massaro, Lada A. Adamic: Assured Information Sharing Life Cycle. ISI 2009: 307-309

Shouhuai Xu, Qun Ni, Elisa Bertino, Ravi S. Sandhu: A Characterization of the problem of secure provenance management. ISI 2009: 310-314

Jose Andre Morales, Areej Al-Bataineh, Shouhuai Xu, Ravi S. Sandhu: Analyzing DNS activities of bot processes. MALWARE 2009: 98-103

Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William H. Winsborough: Foundations for group-centric secure information sharing models. SACMAT 2009: 115-124

Qun Ni, Shouhuai Xu, Elisa Bertino, Ravi S. Sandhu, Weili Han: An Access Control Language for a General Provenance Model. Secure Data Management 2009: 68-88

Xinwen Zhang, Masayuki Nakae, Michael J. Covington, Ravi S. Sandhu: Toward a Usage-Based Security Framework for Collaborative Computing Systems. ACM Trans. Inf. Syst. Secur. 11(1) (2008)

Ram Krishnan, Jianwei Niu, Ravi S. Sandhu, William H. Winsborough: Stale-safe security properties for group-based secure information sharing. FMSE 2008: 53-62

Ravi S. Sandhu: The ASCAA Principles for access control interpreted for collaboration systems. CTS 2008: 532

Roshan K. Thomas, Ravi S. Sandhu, Elisa Bertino, Ismailcem Budak Arpinar, Shouhuai Xu: Privacy-Preserving Accountable Accuracy Management Systems (PAAMS). ISIPS 2008: 115-121

Vana Kalogeraki, Dimitrios Gunopulos, Ravi S. Sandhu, Bhavani M. Thuraisingham: QoS Aware Dependable Distributed Stream Processing. ISORC 2008: 69-75

Jong Hyuk Park, Bart Preneel, Ravi S. Sandhu, André Zúquete: IS 2008 PC Co-chairs' Message. OTM Conferences (2) 2008: 937

Timothy W. Finin, Anupam Joshi, Lalana Kagal, Jianwei Niu, Ravi S. Sandhu, William H. Winsborough, Bhavani M. Thuraisingham: ROWLBAC: representing role based access control in OWL. SACMAT 2008: 73-82

Xinwen Zhang, Jean-Pierre Seifert, Ravi S. Sandhu: Security Enforcement Model for Distributed Usage Control. SUTC 2008: 10-18

David F. Ferraiolo, D. Richard Kuhn, Ravi S. Sandhu: RBAC Standard Rationale: Comments on "A Critique of the ANSI Standard on Role-Based Access Control". IEEE Security & Privacy 5(6): 51-53 (2007)

Xinwen Zhang, Michael J. Covington, Songqing Chen, Ravi S. Sandhu: SecureBus: towards application-transparent trusted computing with mandatory access control. ASIACCS 2007: 117-126

Shouhuai Xu, Ravi S. Sandhu: A Scalable and Secure Cryptographic Service. DBSec 2007: 144-160

Baoxian Zhao, Ravi S. Sandhu, Xinwen Zhang, Xiaolin Qin: Towards a Times-Based Usage Control Model. DBSec 2007: 227-242

Ezedin Barka, Ravi S. Sandhu: Framework for Agent-Based Role Delegation. ICC 2007: 1361-1367

Min Xu, Xuxian Jiang, Ravi S. Sandhu, Xinwen Zhang: Towards a VMM-based usage control framework for OS kernel integrity protection. SACMAT 2007: 71-80

Ram Krishnan, Ravi S. Sandhu, Kumar Ranganathan: PEI models towards scalable, usable and high-assurance information sharing. SACMAT 2007: 145-150

Ravi S. Sandhu, Xinwen Zhang, Kumar Ranganathan, Michael J. Covington: Client-side access control enforcement using trusted computing and PEI models. J. High Speed Networks 15(3): 229-245 (2006)

Sejong Oh, Ravi S. Sandhu, Xinwen Zhang: An effective role administration model using organization structure. ACM Trans. Inf. Syst. Secur. 9(2): 113-137 (2006)

Elisa Bertino, Latifur R. Khan, Ravi S. Sandhu, Bhavani M. Thuraisingham: Secure knowledge management: confidentiality, trust, and privacy. IEEE Transactions on Systems, Man, and Cybernetics, Part A 36(3): 429-438 (2006)

Ravi S. Sandhu, Kumar Ranganathan, Xinwen Zhang: Secure information sharing enabled by Trusted Computing and PEI models. ASIACCS 2006: 2-12

Xinwen Zhang, Ravi S. Sandhu, Francesco Parisi-Presicce: Safety analysis of usage control authorization models. ASIACCS 2006: 243-254

Masayuki Nakae, Xinwen Zhang, Ravi S. Sandhu: A general design towards secure ad-hoc collaboration. ASIACCS 2006: 358

Xinwen Zhang, Francesco Parisi-Presicce, Ravi S. Sandhu: Towards Remote Policy Enforcement for Runtime Protection of Mobile Code Using Trusted Computing. IWSEC 2006: 179-195

Xinwen Zhang, Masayuki Nakae, Michael J. Covington, Ravi S. Sandhu: A usage-based authorization framework for collaborative computing systems. SACMAT 2006: 180-189

Xinwen Zhang, Songqing Chen, Ravi S. Sandhu: Enhancing Data Authenticity and Integrity in P2P Systems. IEEE Internet Computing 9(6): 42-49 (2005)

Elisa Bertino, Ravi S. Sandhu: Database Security-Concepts, Approaches, and Challenges. IEEE Trans. Dependable Sec. Comput. 2(1): 2-19 (2005)

Ravi S. Sandhu: Editorial. ACM Trans. Inf. Syst. Secur. 8(1): 1 (2005)

Xinwen Zhang, Francesco Parisi-Presicce, Ravi S. Sandhu, Jaehong Park: Formal model and policy specification of usage control. ACM Trans. Inf. Syst. Secur. 8(4): 351-387 (2005)

Ravi S. Sandhu, Xinwen Zhang: Peer-to-peer access control architecture using trusted computing technology. SACMAT 2005: 147-158

Jaehong Park, Ravi S. Sandhu: The UCON_ABC usage control model. ACM Trans. Inf. Syst. Secur. 7(1): 128-174 (2004)

Ezedin Barka, Ravi S. Sandhu: Role-Based Delegation Model/ Hierarchical Roles (RBDM1). ACSAC 2004: 396-404

Mohammad A. Al-Kahtani, Ravi S. Sandhu: Mohammad A. Al-Kahtani, Ravi Sandhu. ACSAC 2004: 405-415

Jaehong Park, Xinwen Zhang, Ravi S. Sandhu: Attribute Mutability in Usage Control. DBSec 2004: 15-29

Ravi S. Sandhu: A Perspective on Graphs and Access Control Models. ICGT 2004: 2-12

Shouhuai Xu, William Robert Nelson Jr., Ravi S. Sandhu: Enhancing Anonymity via Market Competition. ITCC (1) 2004: 30-34

Roshan K. Thomas, Ravi S. Sandhu: Models, Protocols, and Architectures for Secure Pervasive Computing: Challenges and Research Directions. PerCom Workshops 2004: 164-170

Roshan K. Thomas, Ravi S. Sandhu: Towards a Multi-dimensional Characterization of Dissemination Control. POLICY 2004: 197-200

Xinwen Zhang, Jaehong Park, Francesco Parisi-Presicce, Ravi S. Sandhu: A logical specification for usage control. SACMAT 2004: 1-10

Elisa Bertino, Bruno Crispo, James Joshi, Wengliang (Kevin) Du, Ravi S. Sandhu: Security for grid-based computing systems issues and challenges. SACMAT 2004: 125

Ravi S. Sandhu: IEEE Internet Computing: Security Track - Good Enough Security. IEEE Distributed Systems Online 4(1) (2003)

Duncan A. Buell, Ravi S. Sandhu: IEEE Internet Computing: Guest Editors' Introduction - Identity Management. IEEE Distributed Systems Online 4(12) (2003)

Ravi S. Sandhu: Good-Enough Security: Toward a Pragmatic Business-Driven Discipline. IEEE Internet Computing 7(1): 66-68 (2003)

Duncan A. Buell, Ravi S. Sandhu: Guest Editors' Introduction: Identity Management. IEEE Internet Computing 7(6): 26-28 (2003)

Shouhuai Xu, Ravi S. Sandhu: Two Efficient and Provably Secure Schemes for Server-Assisted Threshold Signatures. CT-RSA 2003: 355-372

Xinwen Zhang, Jaehong Park, Ravi S. Sandhu: Schema Based XML Security: RBAC Approach. DBSec 2003: 330-343

Ravi S. Sandhu, Jaehong Park: Usage Control: A Vision for Next Generation Access Control. MMM-ACNS 2003: 17-31

Mohammad A. Al-Kahtani, Ravi S. Sandhu: Induced role hierarchies with attribute-based RBAC. SACMAT 2003: 142-148

Xinwen Zhang, Sejong Oh, Ravi S. Sandhu: PBDM: a flexible delegation model in RBAC. SACMAT 2003: 149-157

Ravi S. Sandhu: IEEE Internet Computing: Guest Editor's Introduction - The Technology of Trust. IEEE Distributed Systems Online 3(11) (2002)

Ravi S. Sandhu: Guest Editor's Introduction: The Technology of Trust. IEEE Internet Computing 6(6): 28-29 (2002)

Mohammad A. Al-Kahtani, Ravi S. Sandhu: A Model for Attribute-Based User-Role Assignment. ACSAC 2002: 353-362

Jaehong Park, Ravi S. Sandhu: Originator Control in Usage Control. POLICY 2002: 60-66

Shouhuai Xu, Ravi S. Sandhu: Authenticated multicast immune to denial-of-service attack. SAC 2002: 196-200

Jaehong Park, Ravi S. Sandhu: Towards usage control models: beyond traditional access control. SACMAT 2002: 57-64

Elisa Bertino, Trent Jaeger, Jonathan D. Moffett, Sylvia L. Osborn, Ravi S. Sandhu: Making access control more usable. SACMAT 2002: 141

Sejong Oh, Ravi S. Sandhu: A model for role administration using organization structure. SACMAT 2002: 155-162

Gail-Joon Ahn, Ravi S. Sandhu: Decentralized user group assignment in Windows NT. Journal of Systems and Software 56(1): 39-49 (2001)

Joon S. Park, Ravi S. Sandhu, Gail-Joon Ahn: Role-based access control on the web. ACM Trans. Inf. Syst. Secur. 4(1): 37-71 (2001)

David F. Ferraiolo, Ravi S. Sandhu, Serban I. Gavrila, D. Richard Kuhn, Ramaswamy Chandramouli: Proposed NIST standard for role-based access control. ACM Trans. Inf. Syst. Secur. 4(3): 224-274 (2001)

Pete Epstein, Ravi S. Sandhu: Engineering of Role/Permission Assignments. ACSAC 2001: 127-136

Joon S. Park, Gail-Joon Ahn, Ravi S. Sandhu: Role-based Access Control on the Web Using LDAP. DBSec 2001: 19-30

Savith Kandala, Ravi S. Sandhu: Secure Role-Based Workflow Models. DBSec 2001: 45-58

Ravi S. Sandhu: Future Directions in Role-Based Access Control Models. MMM-ACNS 2001: 22-26

Ravi S. Sandhu, Elisa Bertino, Trent Jaeger, D. Richard Kuhn, Carl E. Landwehr: Panel: The next generation of acess control models (panel session): do we need them and what should they be? SACMAT 2001: 53

Peter J. Denning, Ravi Athale, Nada Dabbagh, Daniel A. Menascé, Jeff Offutt, J. Mark Pullen, Steve Ruth, Ravi S. Sandhu: Designing an IT College. WCCE 2001: 541-550

Mihir Bellare, Ravi S. Sandhu: The Security of Practical Two-Party RSA Signature Schemes. IACR Cryptology ePrint Archive 2001: 60 (2001)

Joon S. Park, Ravi S. Sandhu: Secure Cookies on the Web. IEEE Internet Computing 4(4): 36-44 (2000)

Li Gong, Ravi S. Sandhu: Guest Editors' Introduction: What Makes Security Technologies Relevant? IEEE Internet Computing 4(6): 38-41 (2000)

Sylvia L. Osborn, Ravi S. Sandhu, Qamar Munawer: Configuring role-based access control to enforce mandatory and discretionary access control policies. ACM Trans. Inf. Syst. Secur. 3(2): 85-106 (2000)

Gail-Joon Ahn, Ravi S. Sandhu: Role-based authorization constraints specification. ACM Trans. Inf. Syst. Secur. 3(4): 207-226 (2000)

Joon S. Park, Ravi S. Sandhu: Binding Identities and Attributes using Digitally Signed Certificates. ACSAC 2000: 120-127

Ezedin Barka, Ravi S. Sandhu: Framework for Role-based Delegation Models. ACSAC 2000: 168-

Jaehong Park, Ravi S. Sandhu, J. Schifalacqua: Security Architectures for Controlled Digital Information Dissemination. ACSAC 2000: 224-

Gail-Joon Ahn, Ravi S. Sandhu, Myong H. Kang, Joon S. Park: Injecting RBAC to secure a Web-based workflow system. ACM Workshop on Role-Based Access Control 2000: 1-10

Ravi S. Sandhu, David F. Ferraiolo, D. Richard Kuhn: The NIST model for role-based access control: towards a unified standard. ACM Workshop on Role-Based Access Control 2000: 47-63

Ravi S. Sandhu: Engineering authority and trust in cyberspace: the OM-AM and RBAC way. ACM Workshop on Role-Based Access Control 2000: 111-119

Ravi S. Sandhu, Venkata Bhamidipati: Role-based Administration of User-Role Assignment: The URA97 Model and its Oracle Implementation. Journal of Computer Security 7(4): 317-342 (1999)

Gail-Joon Ahn, Ravi S. Sandhu: Towards role-based administration in network information services. J. Network and Computer Applications 22(3): 199-213 (1999)

Ravi S. Sandhu: Editorial. ACM Trans. Inf. Syst. Secur. 2(1): 1-2 (1999)

Ravi S. Sandhu, Venkata Bhamidipati, Qamar Munawer: The ARBAC97 Model for Role-Based Administration of Roles. ACM Trans. Inf. Syst. Secur. 2(1): 105-135 (1999)

Ravi S. Sandhu, Qamar Munawer: The ARBAC99 Model for Administration of Roles. ACSAC 1999: 229-238

Blaine Burnham, Cynthia E. Irvine, Charles Reynolds, Ravi S. Sandhu, Rayford B. Vaughn: Information Security Education for the Next Millennium: Building the Next Generation of Practitioners (Forum). ACSAC 1999: 265-

Joon S. Park, Ravi S. Sandhu, SreeLatha Ghanta: RBAC on the Web by Secure Cookies. DBSec 1999: 49-62

Savith Kandala, Ravi S. Sandhu: Extending The BFA Workflow Authorization Model to Express Weighted Voting. DBSec 1999: 145-159

Joon S. Park, Ravi S. Sandhu: RBAC on the Web by Smart Certificates. ACM Workshop on Role-Based Access Control 1999: 1-9

Gail-Joon Ahn, Ravi S. Sandhu: The RSL99 Language for Role-Based Separation of Duty Constraints. ACM Workshop on Role-Based Access Control 1999: 43-54

Pete Epstein, Ravi S. Sandhu: Towards a UML Based Approach to Role Engineering. ACM Workshop on Role-Based Access Control 1999: 135-143

Ravi S. Sandhu: Role-Based Access Control. Advances in Computers 46: 237-286 (1998)

Ravi S. Sandhu: Editorial. ACM Trans. Inf. Syst. Secur. 1(1): 1-2 (1998)

Ravi S. Sandhu, Fang Chen: The Multilevel Relational (MLR) Data Model. ACM Trans. Inf. Syst. Secur. 1(1): 93-132 (1998)

Ravi S. Sandhu, Qamar Munawer: The RRA97 Model for Role-Based Administration of Role Hierarchies. ACSAC 1998: 39-49

P. C. Hyland, Ravi S. Sandhu: Concentric Supervision of Security Applications: A New Security Management Paradigm. ACSAC 1998: 59-68

Ravi S. Sandhu, Joon S. Park: Decentralized User-role Assignment for Web-based Intranets. ACM Workshop on Role-Based Access Control 1998: 1-12

Ravi S. Sandhu, Venkata Bhamidipati: An Oracle Implementation of the PRA97 Model for Permission-Role Assignment. ACM Workshop on Role-Based Access Control 1998: 13-21

Ravi S. Sandhu: Role Activation Hierarchies. ACM Workshop on Role-Based Access Control 1998: 33-40

Ravi S. Sandhu, Qamar Munawer: How to Do Discretionary Access Control Using Roles. ACM Workshop on Role-Based Access Control 1998: 47-54

Ravi S. Sandhu, Pierangela Samarati: Authentication, Access Controls, and Intrusion Detection. The Computer Science and Engineering Handbook 1997: 1929-1948

T. F. Himdi, Ravi S. Sandhu: Lattice Based Models for Controlled Sharing of Confidential Information in the Saudi Hajj System. ACSAC 1997: 164-174

Roshan K. Thomas, Ravi S. Sandhu: Task-Based Authorization Controls (TBAC): A Family of Models for Active and Enterprise-Oriented Autorization Management. DBSec 1997: 166-181

Ravi S. Sandhu, Venkata Bhamidipati: The URA97 Model for Role-Based User-Role Assignment. DBSec 1997: 262-275

P. C. Hyland, Ravi S. Sandhu: SNMP-based Network Security Management. Integrated Network Management 1997: 787-787

Ravi S. Sandhu, Venkata Bhamidipati, Edward J. Coyne, Srinivas Ganta, Charles E. Youman: The ARBAC97 model for role-based administration of roles: preliminary description and outline. ACM Workshop on Role-Based Access Control 1997: 41-50

Pierangela Samarati, Ravi S. Sandhu (Eds.): Database Security Volume X, Status and Prospects, IFIP TC11 / WG11.3 Tenth International Conference on Database Security, 22-24 July 1996, Como, Italy. IFIP Conference Proceedings 79, Chapman & Hall 1997, isbn 0-412-80820-X

Ravi S. Sandhu, Edward J. Coyne, Hal L. Feinstein, Charles E. Youman: Role-Based Access Control Models. IEEE Computer 29(2): 38-47 (1996)

Ravi S. Sandhu, Pierangela Samarati: Authetication, Access Control, and Audit. ACM Comput. Surv. 28(1): 241-243 (1996)

Paul Ammann, Richard J. Lipton, Ravi S. Sandhu: The Expressive Power of Multi-parent Creation in Monotonic Access Control Models. Journal of Computer Security 4(2/3): 149-166 (1996)

Roshan K. Thomas, Ravi S. Sandhu: A Trusted Subject Architecture for Multilevel Secure Object-Oriented Databases. IEEE Trans. Knowl. Data Eng. 8(1): 16-31 (1996)

Ravi S. Sandhu: Access Control: The Neglected Frontier. ACISP 1996: 219-227

Ravi S. Sandhu, J. Campbell: Open Issues in Database Security. DBSec 1996: 169-173

Ravi S. Sandhu, LouAnna Notargiacomo, D. Thomas, Jesse C. Worthington: Implementation Experiences and Prospects. DBSec 1996: 261-271

Ravi S. Sandhu: Role Hierarchies and Constraints for Lattice-Based Access Controls. ESORICS 1996: 65-79

Roshan K. Thomas, Elisa Bertino, Pierangela Samarati, Hans Hermann Brüggemann, Bret Hartman, Ravi S. Sandhu, T. C. Ting: Panel Discussion: Role-Based Access Control and Next-Generation Security Models. DBSec 1995: 289-298

Fang Chen, Ravi S. Sandhu: Constraints for role-based access control. ACM Workshop on Role-Based Access Control 1995

Jeremy Epstein, Ravi S. Sandhu: NetWare 4 as an example of role-based access control. ACM Workshop on Role-Based Access Control 1995

Ravi S. Sandhu: Workshop summary. ACM Workshop on Role-Based Access Control 1995

Ravi S. Sandhu: Issues in RBAC. ACM Workshop on Role-Based Access Control 1995

Ravi S. Sandhu: Roles versus groups. ACM Workshop on Role-Based Access Control 1995

Ravi S. Sandhu: Rationale for the RBAC96 family of access control models. ACM Workshop on Role-Based Access Control 1995

Fang Chen, Ravi S. Sandhu: The semantics and expressive power of the MLR data model. IEEE Symposium on Security and Privacy 1995: 128-142

Ravi Ganesan, Ravi S. Sandhu: Securing Cyberspace - Introduction to the Special Section. Commun. ACM 37(11): 28-31 (1994)

Bhavani M. Thuraisingham, T. C. Ting, Peter J. Sell, Ravi S. Sandhu, Thomas F. Keefe: Integrating security technology and object-oriented technology (panel). OOPS Messenger 5(2): 59-61 (1994)

Bhavani M. Thuraisingham, Ravi S. Sandhu, T. C. Ting: Security for object-oriented systems. OOPS Messenger 5(2): 77-78 (1994)

William R. Herndon, Ravi S. Sandhu, Steve Demurjian: The standards are coming! Standards for security in object-oriented systems. OOPS Messenger 5(4): 92-95 (1994)

Ravi S. Sandhu, Roshan K. Thomas: Conceptual Foundations for a Model of Task-based Authorizations. CSFW 1994: 66-79

Ravi S. Sandhu, Paul Ammann: One-Representative Safety Analysis in the Non-Monotonic Transform Model. CSFW 1994: 139-149

Ravi S. Sandhu, Srinivas Ganta: On the Expressive Power of the Unary Transformation Model. ESORICS 1994: 301-318

Roshan K. Thomas, Ravi S. Sandhu: Supporting Object-Based High-Assurance Write-up in Multilevel Databases for the Replicated Architecture. ESORICS 1994: 403-428

Dorothy E. Denning, Raymond Pyle, Ravi Ganesan, Ravi S. Sandhu (Eds.): CCS '94, Proceedings of the 2nd ACM Conference on Computer and Communications Security, Fairfax, Virginia, USA, November 2-4, 1994. ACM 1994, isbn 0-89791-732-4

Bhavani M. Thuraisingham, Ravi S. Sandhu, T. C. Ting (Eds.): Security for Object-Oriented Systems, Proceedings of the OOPSLA-93 Conference Workshop on Security for Object-Oriented Systems, Washington, DC, USA, 26 September 1993. Workshops in Computing, Springer 1994, isbn 3-540-19877-6

Ravi S. Sandhu, Gurpreet S. Suri: A distributed capability-based architecture for the transform model. Computers & Security 12(3): 285-303 (1993)

Ravi S. Sandhu: Lattice-Based Access Control Models. IEEE Computer 26(11): 9-19 (1993)

Roshan K. Thomas, Ravi S. Sandhu: A Kernelized Architecture for Multilevel Secure Object-Oriented Databases Supporting Write-Up. Journal of Computer Security 2(2-3): 231-275 (1993)

Ravi S. Sandhu, Srinivas Ganta: On Testing for Absence of Rights in Access Control Models. CSFW 1993: 109-118

Ravi S. Sandhu: On Five Definitions of Data Integrity. DBSec 1993: 257-267

Roshan K. Thomas, Ravi S. Sandhu: Towards a Unified Framework and Theory for Reasoning about Security and Correctness of Transactions in Multilevel databases. DBSec 1993: 309-328

Bhavani M. Thuraisingham, Ravi S. Sandhu, T. C. Ting: Security for Object-Oriented Systems: An Editorial Overview. Security for Object-Oriented Systems 1993: 1-7

Roshan K. Thomas, Ravi S. Sandhu: Concurrency, Synchronization, and Scheduling to Support High-Assurance Write-Up in Multilevel Object-Based Computing. Security for Object-Oriented Systems 1993: 218-228

Ravi S. Sandhu: Security for OODBMS (Or Systems) - Panel. OOPSLA 1993: 307

Dorothy E. Denning, Raymond Pyle, Ravi Ganesan, Ravi S. Sandhu, Victoria Ashby (Eds.): CCS '93, Proceedings of the 1st ACM Conference on Computer and Communications Security, Fairfax, Virginia, USA, November 3-5, 1993. ACM 1993, isbn 0-89791-629-8

Ravi S. Sandhu, Sushil Jajodia: Eliminating polyinstantiation securely. Computers & Security 11(6): 547-562 (1992)

Ravi S. Sandhu: Lattice-based enforcement of Chinese Walls. Computers & Security 11(8): 753-763 (1992)

Ravi S. Sandhu: Expressive Power of the Schematic Protection Model. Journal of Computer Security 1(1): 59-98 (1992)

Paul Ammann, Ravi S. Sandhu: The Extended Schematic Protection Model. Journal of Computer Security 1(3-4): 335-384 (1992)

Ravi S. Sandhu: Undecidability of Safety for the Schematic Protection Model with Cyclic Creates. J. Comput. Syst. Sci. 44(1): 141-159 (1992)

Paul Ammann, Richard J. Lipton, Ravi S. Sandhu: The Expressive Power of Multi-Parent Creation in a Monotonic Access Control Model. CSFW 1992: 148-156

Roshan K. Thomas, Ravi S. Sandhu: Implementing the Message Filter Object-Oriented Security Model without Trusted Subjects. DBSec 1992: 15-34

Ravi S. Sandhu, Sushil Jajodia: Polyinstantation for Cover Stories. ESORICS 1992: 307-328

Ravi S. Sandhu, Sushil Jajodia: Integrity principles and mechanisms in database management systems. Computers & Security 10(5): 413-427 (1991)

Ravi S. Sandhu, Roshan K. Thomas, Sushil Jajodia: A Secure Kernelized Architecture for Multiple Object-Oriented Databases. CSFW 1991: 139-152

Ravi S. Sandhu, Roshan K. Thomas, Sushil Jajodia: Supporting Timing-Channel Free Computations in Multilevel Secure Object-Oriented Databases. DBSec 1991: 297-314

Sushil Jajodia, Ravi S. Sandhu: Towards a Multilevel Secure Relational Data Model. SIGMOD Conference 1991: 50-59

Paul Ammann, Ravi S. Sandhu: Safety Analysis for the Extended Schematic Protection Model. IEEE Symposium on Security and Privacy 1991: 87-97

Sushil Jajodia, Ravi S. Sandhu: A Novel Decomposition of Multilevel Relations into Single-Level Relations. IEEE Symposium on Security and Privacy 1991: 300-315

Sushil Jajodia, Ravi S. Sandhu: Database Security: Current Status and Key Issues. SIGMOD Record 19(4): 123-126 (1990)

Sushil Jajodia, Ravi S. Sandhu: A Formal Framework for Single Level Decomposition of Multilevel Relations. CSFW 1990: 152-158

Ravi S. Sandhu, Sushil Jajodia, Teresa F. Lunt: A New Polyinstantiation Integrity Constraint for Multilevel Relations. CSFW 1990: 159-165

Ravi S. Sandhu: Separation of Duties in Computerized Information Systems. DBSec 1990: 179-190

Sushil Jajodia, Ravi S. Sandhu: Polyinstantiation Integrity in Multilevel Relations Revisited. DBSec 1990: 297-308

Sushil Jajodia, Ravi S. Sandhu: Polyinstantiation Integrity in Multilevel Relations. IEEE Symposium on Security and Privacy 1990: 104-115

Ravi S. Sandhu: The Reflected Tree Hierarchy for Protection and Sharing. Inf. Process. Lett. 30(1): 21-26 (1989)

Ravi S. Sandhu: The Demand Operation in the Schematic Protection Model. Inf. Process. Lett. 32(4): 213-219 (1989)

Ravi S. Sandhu: Recognizing Immediacy in an N-Tree Hierarchy and Its Application to Protection Groups. IEEE Trans. Software Eng. 15(12): 1518-1525 (1989)

Ravi S. Sandhu: Mandatory Controls for Database Integrity. DBSec 1989: 143-150

Ravi S. Sandhu: Discussion Summary. DBSec 1989: 353-365

Ravi S. Sandhu: Transformation of Access Rights. IEEE Symposium on Security and Privacy 1989: 259-268

Ravi S. Sandhu: Cryptographic Implementation of a Tree Hierarchy for Access Control. Inf. Process. Lett. 27(2): 95-98 (1988)

Ravi S. Sandhu: The schematic protection model: its definition and analysis for acyclic attenuating schemes. J. ACM 35(2): 404-432 (1988)

Ravi S. Sandhu: The NTree: A Two Dimension Partial Order for Protection Groups. ACM Trans. Comput. Syst. 6(2): 197-222 (1988)

Ravi S. Sandhu: Expressive Power of the Schematic Protection Model. CSFW 1988: 188-193

Ravi S. Sandhu, M. E. Share: Some Owner Based Schemes with Dynamic Groups in the Schematic Protection Model. IEEE Symposium on Security and Privacy 1986: 61-70