A Logic of Access Control. - Jason Crampton; George Loizou; Greg O'Shea (Comput. J., 2001)

Authorisation and antichains. - Jason Crampton; George Loizou (ACM SIGOPS Oper. Syst. Rev., 2001)

Administrative scope and role hierarchy operations. - Jason Crampton (SACMAT, 2002)

Authorization and antichains. - Jason Alexis Valentine Crampton (2002)

On permissions, inheritance and role hierarchies. - Jason Crampton (CCS, 2003)

Specifying and enforcing constraints in role-based access control. - Jason Crampton (SACMAT, 2003)

Access control in a distributed object environment using XML and roles. - Jason Crampton; Hemanth Khambhammettu (South Afr. Comput. J., 2003)

Administrative scope: A foundation for role-based administrative models. - Jason Crampton; George Loizou (ACM Trans. Inf. Syst. Secur., 2003)

The Consistency of Task-Based Authorization Constraints in Workflow Systems. - Kaijun Tan; Jason Crampton; Carl A. Gunter (CSFW, 2004)

Introduction. - Jason Crampton (Inf. Secur. Tech. Rep., 2004)

Understanding and developing role-based administrative models. - Jason Crampton (CCS, 2005)

ICARUS: intelligent coupon allocation for retailers using search. - Stephen Swift; Amy Shi; Jason Crampton; Allan Tucker (Congress on Evolutionary Computation, 2005)

A reference monitor for workflow systems with constrained task execution. - Jason Crampton (SACMAT, 2005)

RGFGA: An Efficient Representation and Crossover for Grouping Genetic Algorithms. - Allan Tucker; Jason Crampton; Stephen Swift (Evol. Comput., 2005)

Introduction to February 2005 issue of ISTR. - Jason Crampton (Inf. Secur. Tech. Rep., 2005)

On Key Assignment for Hierarchical Access Control. - Jason Crampton; Keith M. Martin; Peter R. Wild (CSFW, 2006)

Discretionary and Mandatory Controls for Role-Based Administration. - Jason Crampton (DBSec, 2006)

Access Control and Authorization Constraints for WS-BPEL. - Elisa Bertino; Jason Crampton; Federica Paci (ICWS, 2006)

The secondary and approximate authorization model and its application to Bell-LaPadula policies. - Jason Crampton; Wing Leung; Konstantin Beznosov (SACMAT, 2006)

Applying hierarchical and role-based access control to XML documents. - Jason Crampton (Comput. Syst. Sci. Eng., 2006)

The interpretation and utility of three cohesion metrics for object-oriented design. - Steve Counsell; Stephen Swift; Jason Crampton (ACM Trans. Softw. Eng. Methodol., 2006)

Extended privilege inheritance in RBAC. - M. A. C. Dekker; J. G. Cederquist; Jason Crampton; Sandro Etalle (AsiaCCS, 2007)

An improved restricted growth function genetic algorithm for the consensus clustering of retinal nerve fibre data. - Stephen Swift; Allan Tucker; Jason Crampton; David Garway-Heath (GECCO, 2007)

Efficiency updates for the restricted growth function GA for grouping problems. - Allan Tucker; Stephen Swift; Jason Crampton (GECCO, 2007)

Applications of the Oriented Permission Role-Based Access Control Model. - Liang Chen; Jason Crampton (IPCCC, 2007)

Inter-domain role mapping and least privilege. - Liang Chen; Jason Crampton (SACMAT, 2007)

What can identity-based cryptography offer to web services? - Jason Crampton; Hoon Wei Lim; Kenneth G. Paterson (SWS, 2007)

The monitorability of service-level agreements for application-service provision. - James Skene; Allan Skene; Jason Crampton; Wolfgang Emmerich (WOSP, 2007)

On spatio-temporal constraints and inheritance in role-based access control. - Liang Chen; Jason Crampton (AsiaCCS, 2008)

Panel Session: What Are the Key Challenges in Distributed Security?. - Steve Barker; David W. Chadwick; Jason Crampton; Emil Lupu; Bhavani Thuraisingham (DBSec, 2008)

On delegation and workflow execution models. - Jason Crampton; Hemanth Khambhammettu (SAC, 2008)

Delegation and satisfiability in workflow systems. - Jason Crampton; Hemanth Khambhammettu (SACMAT, 2008)

RBAC administration in distributed systems. - M. A. C. Dekker; Jason Crampton; Sandro Etalle (SACMAT, 2008)

Authorization recycling in RBAC systems. - Qiang Wei; Jason Crampton; Konstantin Beznosov; Matei Ripeanu (SACMAT, 2008)

Role Signatures for Access Control in Open Distributed Systems. - Jason Crampton; Hoon Wei Lim (SEC, 2008)

Delegation in role-based access control. - Jason Crampton; Hemanth Khambhammettu (Int. J. Inf. Sec., 2008)

An Access-Control Framework for WS-BPEL. - Federica Paci; Elisa Bertino; Jason Crampton (Int. J. Web Serv. Res., 2008)

A Framework for Enforcing Constrained RBAC Policies. - Jason Crampton; Hemanth Khambhammettu (CSE (3), 2009)

Set Covering Problems in Role-Based Access Control. - Liang Chen; Jason Crampton (ESORICS, 2009)

Trade-Offs in Cryptographic Implementations of Temporal Access Control. - Jason Crampton (NordSec, 2009)

Cryptographically-enforced hierarchical access control with multiple keys. - Jason Crampton (J. Log. Algebraic Methods Program., 2009)

Constructing Key Assignment Schemes from Chain Partitions. - Jason Crampton; Rosli Daud; Keith M. Martin (DBSec, 2010)

An Authorization Framework Resilient to Policy Evaluation Failures. - Jason Crampton; Michael Huth 001 (ESORICS, 2010)

Cryptographic Enforcement of Role-Based Access Control. - Jason Crampton (Formal Aspects in Security and Trust, 2010)

A Framework for the Modular Specification and Orchestration of Authorization Policies. - Jason Crampton; Michael Huth 001 (NordSec, 2010)

An Auto-delegation Mechanism for Access Control Systems. - Jason Crampton; Charles Morisset (STM, 2010)

Practical Constructions for the Efficient Cryptographic Enforcement of Interval-Based Access Control Policies - Jason Crampton (CoRR, 2010)

Towards an Access-Control Framework for Countering Insider Threats. - Jason Crampton; Michael Huth 001 (Insider Threats in Cyber Security, 2010)

On the Modeling and Verification of Security-Aware and Process-Aware Information Systems. - Jason Crampton; Michael Huth 001 (Business Process Management Workshops (2), 2011)

Time-Storage Trade-Offs for Cryptographically-Enforced Access Control. - Jason Crampton (ESORICS, 2011)

Risk-Aware Role-Based Access Control. - Liang Chen; Jason Crampton (STM, 2011)

User-friendly and certificate-free grid security infrastructure. - Jason Crampton; Hoon Wei Lim; Kenneth G. Paterson; Geraint Price (Int. J. Inf. Sec., 2011)

Practical and efficient cryptographic enforcement of interval-based access control policies. - Jason Crampton (ACM Trans. Inf. Syst. Secur., 2011)

Authorization recycling in hierarchical RBAC systems. - Qiang Wei; Jason Crampton; Konstantin Beznosov; Matei Ripeanu (ACM Trans. Inf. Syst. Secur., 2011)

Authorization Enforcement in Workflows: Maintaining Realizability Via Automated Reasoning. - Jason Crampton; Michael Huth 001; Jim Huan-Pu Kuo (PAAR@IJCAR, 2012)

On the parameterized complexity of the workflow satisfiability problem. - Jason Crampton; Gregory Z. Gutin; Anders Yeo (CCS, 2012)

PTaCL: A Language for Attribute-Based Access Control in Open Systems. - Jason Crampton; Charles Morisset (POST, 2012)

Obligations in risk-aware access control. - Liang Chen; Jason Crampton; Martin J. Kollingbaum; Timothy J. Norman (PST, 2012)

Towards A Generic Formal Framework for Access Control Systems - Jason Crampton; Charles Morisset (CoRR, 2012)

Fixed-Parameter Tractability of Workflow Satisfiability in the Presence of Seniority Constraints. - Jason Crampton; Robert Crowston; Gregory Z. Gutin; Mark Jones 001; M. S. Ramanujan 001 (FAW-AAIM, 2013)

Sleeping android: the danger of dormant permissions. - James Sellwood; Jason Crampton (SPSM@CCS, 2013)

On the Use of Key Assignment Schemes in Authentication Protocols. - James Alderman; Jason Crampton (NSS, 2013)

Policy templates for relationship-based access control. - Evangelos Aktoudianakis; Jason Crampton; Steve A. Schneider; Helen Treharne; Adrian Waller (PST, 2013)

Constraint expressions and workflow satisfiability. - Jason Crampton; Gregory Z. Gutin (SACMAT, 2013)

Pattern-Based Plan Construction for the Workflow Satisfiability Problem. - David A. Cohen; Jason Crampton; Gregory Z. Gutin; Mark Jones 001 (CoRR, 2013)

Verifiably Secure Process-Aware Information Systems (Dagstuhl Seminar 13341). - Rafael Accorsi; Jason Crampton; Michael Huth 001; Stefanie Rinderle-Ma (Dagstuhl Reports, 2013)

A personal tribute to Steve Barker. - Jason Crampton (Sci. Comput. Program., 2013)

On the Parameterized Complexity and Kernelization of the Workflow Satisfiability Problem. - Jason Crampton; Gregory Z. Gutin; Anders Yeo (ACM Trans. Inf. Syst. Secur., 2013)

Attribute-Based Encryption for Access Control Using Elementary Operations. - Jason Crampton; Alexandre Pinto (CSF, 2014)

Engineering Algorithms for Workflow Satisfiability Problem with User-Independent Constraints. - David A. Cohen; Jason Crampton; Andrei Gagarin; Gregory Z. Gutin; Mark Jones 001 (FAW, 2014)

Path conditions and principal matching: a new approach to access control. - Jason Crampton; James Sellwood (SACMAT, 2014)

Monotonicity and Completeness in Attribute-Based Access Control. - Jason Crampton; Charles Morisset (STM, 2014)

Caching and Auditing in the RPPM Model. - Jason Crampton; James Sellwood (STM, 2014)

Publicly Verifiable Outsourced Computation with a Key Distribution Centre. - James Alderman; Carlos Cid; Jason Crampton; Christian Janson (CoRR, 2014)

Revocation in Publicly Verifiable Outsourced Computation. - James Alderman; Carlos Cid; Jason Crampton; Christian Janson (IACR Cryptol. ePrint Arch., 2014)

Access Control in Publicly Verifiable Outsourced Computation. - James Alderman; Carlos Cid; Jason Crampton; Christian Janson (IACR Cryptol. ePrint Arch., 2014)

Iterative Plan Construction for the Workflow Satisfiability Problem. - David A. Cohen; Jason Crampton; Andrei Gagarin; Gregory Z. Gutin; Mark Jones 001 (J. Artif. Intell. Res., 2014)

Authorized workflow schemas: deciding realizability through $$ mathsf{LTL }( mathsf{F })$$ model checking. - Jason Crampton; Michael Huth 001; Jim Huan-Pu Kuo (Int. J. Softw. Tools Technol. Transf., 2014)

Cryptographic Enforcement of Information Flow Policies Without Public Information. - Jason Crampton; Naomi Farley; Gregory Z. Gutin; Mark Jones 001; Bertram Poettering (ACNS, 2015)

Optimal Constructions for Chain-Based Cryptographic Enforcement of Information Flow Policies. - Jason Crampton; Naomi Farley; Gregory Z. Gutin; Mark Jones 001 (DBSec, 2015)

On the Workflow Satisfiability Problem with Class-independent Constraints. - Jason Crampton; Andrei V. Gagarin; Gregory Z. Gutin; Mark Jones 001 (IPEC, 2015)

Valued Workflow Satisfiability Problem. - Jason Crampton; Gregory Z. Gutin; Daniel Karapetyan (SACMAT, 2015)

On Missing Attributes in Access Control: Non-deterministic and Probabilistic Attribute Retrieval. - Jason Crampton; Charles Morisset; Nicola Zannone (SACMAT, 2015)

Relationship-Based Access Control for an Open-Source Medical Records System. - Syed Zain R. Rizvi; Philip W. L. Fong; Jason Crampton; James Sellwood (SACMAT, 2015)

Obligations in PTaCL. - Jason Crampton; Conrad Williams (STM, 2015)

Relationships, Paths and Principal Matching: A New Approach to Access Control. - Jason Crampton; James Sellwood (CoRR, 2015)

Relationship-Based Access Control for OpenMRS. - Syed Zain R. Rizvi; Philip W. L. Fong; Jason Crampton; James Sellwood (CoRR, 2015)

Hybrid Publicly Verifiable Computation. - James Alderman; Christian Janson; Carlos Cid; Jason Crampton (IACR Cryptol. ePrint Arch., 2015)

A Multivariate Approach for Checking Resiliency in Access Control. - Jason Crampton; Gregory Z. Gutin; Rémi Watrigant (AAIM, 2016)

ARPPM: Administration in the RPPM Model. - Jason Crampton; James Sellwood (CODASPY, 2016)

Inter-ReBAC: Inter-operation of Relationship-Based Access Control Model Instances. - Jason Crampton; James Sellwood (DBSec, 2016)

Resiliency Policies in Access Control Revisited. - Jason Crampton; Gregory Z. Gutin; Rémi Watrigant (SACMAT, 2016)

On Completeness in Languages for Attribute-Based Access Control. - Jason Crampton; Conrad Williams (SACMAT, 2016)

An Approach to Parameterized Resiliency Problems Using Integer Linear Programming. - Jason Crampton; Gregory Z. Gutin; Rémi Watrigant (CoRR, 2016)

Algorithms for the workflow satisfiability problem engineered for counting constraints. - David A. Cohen; Jason Crampton; Andrei Gagarin; Gregory Z. Gutin; Mark Jones 001 (J. Comb. Optim., 2016)

On the Workflow Satisfiability Problem with Class-Independent Constraints for Hierarchical Organizations. - Jason Crampton; Andrei Gagarin; Gregory Z. Gutin; Mark Jones 001; Magnus Wahlström (ACM Trans. Priv. Secur., 2016)

Parameterized Resiliency Problems via Integer Linear Programming. - Jason Crampton; Gregory Z. Gutin; Martin Koutecký; Rémi Watrigant (CIAC, 2017)

Canonical Completeness in Lattice-Based Languages for Attribute-Based Access Control. - Jason Crampton; Conrad Williams (CODASPY, 2017)

Tree-Based Cryptographic Access Control. - James Alderman; Naomi Farley; Jason Crampton (ESORICS (1), 2017)

A Framework for the Cryptographic Enforcement of Information Flow Policies. - James Alderman; Jason Crampton; Naomi Farley (SACMAT, 2017)

On the Satisfiability of Workflows with Release Points. - Jason Crampton; Gregory Z. Gutin; Rémi Watrigant (SACMAT, 2017)

Attribute Expressions, Policy Tables and Attribute-Based Access Control. - Jason Crampton; Conrad Williams (SACMAT, 2017)

Cryptographic enforcement of information flow policies without public information via tree partitions. - Jason Crampton; Naomi Farley; Gregory Z. Gutin; Mark Jones 001; Bertram Poettering (J. Comput. Secur., 2017)

The bi-objective workflow satisfiability problem and workflow resiliency. - Jason Crampton; Gregory Z. Gutin; Daniel Karapetyan; Rémi Watrigant (J. Comput. Secur., 2017)

Bounded and Approximate Strong Satisfiability in Workflows. - Jason Crampton; Gregory Z. Gutin; Diptapriyo Majumdar (SACMAT, 2019)

Parameterized resiliency problems. - Jason Crampton; Gregory Z. Gutin; Martin Koutecký; Rémi Watrigant (Theor. Comput. Sci., 2019)

The Authorization Policy Existence Problem. - Pierre Bergé; Jason Crampton; Gregory Z. Gutin; Rémi Watrigant (IEEE Trans. Dependable Secur. Comput., 2020)

Valued Authorization Policy Existence Problem. - Jason Crampton; Eduard Eiben; Gregory Z. Gutin; Daniel Karapetyan; Diptapriyo Majumdar (SACMAT, 2021)

Towards Better Understanding of User Authorization Query Problem via Multi-variable Complexity Analysis. - Jason Crampton; Gregory Z. Gutin; Diptapriyo Majumdar (ACM Trans. Priv. Secur., 2021)

Generalized Noise Role Mining. - Jason Crampton; Eduard Eiben; Gregory Z. Gutin; Daniel Karapetyan; Diptapriyo Majumdar (SACMAT, 2022)

Valued Authorization Policy Existence Problem: Theory and Experiments. - Jason Crampton; Eduard Eiben; Gregory Z. Gutin; Daniel Karapetyan; Diptapriyo Majumdar (ACM Trans. Priv. Secur., 2022)

Bi-objective Optimization in Role Mining. - Jason Crampton; Eduard Eiben; Gregory Z. Gutin; Daniel Karapetyan; Diptapriyo Majumdar (CoRR, 2024)