Journal publications

[8] R.A. Botha and J.H.P. Eloff, An Access Control Architecture for XML documents in Workflow Environments, South African Computer Journal, Number 28, 2002, pp. 3 – 10. pdf BibTex

[7] R.A. Botha and J.H.P. Eloff, Separation of Duties for Access Control Enforcement in Workflow Environments, IBM Systems Journal, Volume 40, Number 3, 2001, pp. 666 – 682. pdf BibTex web

[6] R.A. Botha and J.H.P. Eloff, A Framework for Access Control in Workflow Systems, Information Management and Computer Security, Volume 9, Number 3, 2001, pp. 126 – 133. pdf BibTex

[5] R.A. Botha and J.H.P. Eloff, Access Control in Document-centric Workflow Systems – An Agent-based Approach, Computers & Security, Volume 20, Number 6, 2001, pp. 525 – 532. pdf BibTex

[4] S. Perelson and R.A. Botha and J.H.P. Eloff, Separation of Duty Administration, South African Computer Journal, Number 27, 2001, pp. 64 – 69. pdf BibTex

[3] C. Papenfus and R.A. Botha, An XML-based Approach to Enforcing History-based Separation of Duty Policies in Heterogeneous Workflow Environments, South African Computer Journal - Special Issue'00, No. 26, pp. 60 – 68. pdf BibTex

[2] S. Perelson and R.A. Botha, Conflict Analysis as a Means of Enforcing Static Separation of Duty Requirements in Workflow Environments, South African Computer Journal - Special Issue'00, No. 26, pp. 212 – 216. pdf BibTex

[1] R.A. Botha and J.H.P. Eloff, Information Security in a client/server environment, Elektron, Vol. 14, No. 2, 1997 BibTeX

International Conference Publications

[8] J. Ophoff and R.A. Botha, Architectural considerations for Reachability Management in Mobile Communications, INC2006, July 2006, Plymouth, England pdf BibTeX

[7] W Olivier and R.A.Botha, Detection, Measurement, and Classification of Computer Abuse by Students through Facility Management ,WCCE2005, 7-10 July 2005, Stellenbosch, South Africa pdf BibTeX

[6] P. de Villiers and R.A. Botha, An architecture for selling XML Content, Emerging Applications for Mobile Computing Workshop (MoBEA), 20 May 2003, Budapest, Hungary. pdf BibTeX

[5] R.A. Botha, Towards Semantic Integrity in Relational Database Systems, IFIP SEC2002, 6 – 8 May 2002, Cairo, Egypt. (pp. 287 – 297) pdf BibTeX

[4] R.A. Botha and J.H.P. Eloff, Designing role hierarchies for access control in workflow systems, COMPSAC2001, 8 – 12 October 2001, Chicago, USA. pdf BibTeX

[3] D.G. Cholewka, R.A. Botha and J.H.P. Eloff, A Context-sensitive Access Control Model and Prototype Implementation, IFIP SEC2000, 22 – 24 August 2000, Beijing, China. pdf BibTeX

[2] R.A. Botha and J.H.P. Eloff, A Security Interpretation of the Workflow Reference Model, 6th Working Conference of WG11.1 and WG11.2 of IFIP TC11, 2 September 1998, en route Vienna -- Budapest. pdf BibTeX

[1] R.A. Botha and J.H.P. Eloff, Management considerations for securing a distributed client/server infrastructure, 2nd International Working Conference on Information Security aspects of Small Systems -- Proceedings of WG11.2 '97. May 1997. pdf BibTeX

Local Conference Publications

[20] J Ophoff and R.A. Botha, Revisiting Reachability Management as a multilateral Security Mechanism, ISSA 2005, 29 June - 1 July 2005, Johannesburg, South Africa pdf BibTeX

[19] A. Rutherford, R.A. Botha and M. Olivier, Towards a Hippocratic Log File Architecture, SAICSIT 2004, October 2004, Stellenbosch, South Africa pdf BibTeX

[18] A. Rutherford, R.A. Botha and M. Olivier, Towards Hippocratic Log Files, ISSA 2004, 30 June -- 2 July 2004, Gallagher Estate, Johannesburg, South Africa pdf BibTeX

[17] S. Perelson and R.A. Botha. An Investigation into Access Control for Mobile Devices, ISSA 2004, 30 June -- 2 July 2004, Gallagher Estate, Johannesburg, South Africa pdf BibTeX

[16] H.J. Cameron and R.A. Botha, The role of Real-time information in Risk Management, ISSA 2004 - Research in progress stream. pdf BibTeX

[15] J. van Zyl, D.Pottas, R.A.Botha. Integrity for forms-based input: An XML Schema based approach, ISSA 2003, July 2003, Johannesburg, South Africa pdf BibTeX

[14] A. Reyneke, S. Perelson and R.A. Botha. Access Control requirements for Content Management Systems, ISSA 2003, July 2003, Johannesburg, South Africa pdf BibTeX

[13] J. Oberholzer and R.A. Botha. How Agent Technologies could be used in Supply Chain Management, Post-graduate Research Symposium - SAICSIT 2003. pdf BibTeX

[12] A. Rutherford and R.A. Botha. Towards personalized content, Post-graduate Research Symposium - SAICSIT 2003 pdf BibTeX

[11] H.J. Cameron and R.A. Botha. A framework for the e-enabling of an automotive supply chain. Post-graduate Research Symposium - SAICSIT 2002, 16 September 2002, Port Elizabeth. pdf BibTeX

[10] P.J. de Villiers and R.A. Botha. Towards a Content-based Billing Model: The Synergy between Access Control and Billing, ISSA 2002, July 2002, Hartbeespoort. pdf BibTeX

[9] L.A.K. Ingram and R.A. Botha. Towards a pattern-based approach for achieving semantic integrity in (object-)relational databases, ISSA 2002, July 2002, Hartbeespoort. pdf BibTeX

[8] W. Engelbrecht, R. Harmse and R.A. Botha. Access control and separation of duty in agent-based workflow environments, ISSA 2002, July 2002, Hartbeespoort. pdf BibTeX

[7] R.A. Botha and J.H.P. Eloff. An Access Control Architecture for XML documents in Workflow Environments, SAICSIT 2001, 26 -- 27 September 2001, Pretoria, South Africa. (superceded by Journal publication [8])

[6] C. Papenfus and R.A. Botha. An XML-based Approach to Enforcing History-based Separation of Duty Policies in Heterogeneous Workflow Environments, SAICSIT 2000, 1 -- 3 November 2000, Cape Town. (published as Journal Publication [3])

[5] S. Perelson and R.A. Botha, Conflict Analysis as a Means of Enforcing Static Separation of Duty Requirements in Workflow
Environments, SAICSIT 2000, 1 -- 3 November 2000, Cape Town. (published in Journal Publication [2])

[4] S. Perelson and R.A. Botha. Securing Web-based workflow interactions, SAICSIT 1999, 17 -- 19 November 1999, Hartebeespoort. pdf BibTeX

[3] R.A. Botha and J.H.P. Eloff. A Security interpretation of the Workflow Reference Model, SAICSIT 1998, 23 -- 24 November 1998, Gordons Bay, pp. 3 -- 8. (also as International Conference [2])

[2] C. Papenfus and R.A. Botha. A shell-based approach to information security, SAICSIT 1998, 23 -- 24 November 1998, Gordons Bay, pp. 15 -- 19. pdf BibTeX

[1] R.A. Botha. Access control needs in an electronic workflow environment, SAICSIT 1997, 13 -- 14 November 1997, Vanderbijlpark. pdf BibTeX

Dissertations & theses (Own and supervised students')

[8] Y. Sing-Min. The Development of a Model for Organizing Educational Resources on an Intranet. M Tech dissertation, Faculty of Computer Studies, Port Elizabeth Technikon, 2002 pdf BibTeX

[7] J. Ophoff. WSP³: A Web Services Model for Personal Privacy Protection. M Tech dissertation, Faculty of Computer Studies, Port Elizabeth Technikon, 2002 pdf BibTeX

[6] P. de Villiers. CBiX: A Model for Content-based Billing in XML Environments M Tech dissertation, Faculty of Computer Studies, Port Elizabeth Technikon, 2002 pdf BibTeX

[5] H. Cameron. A Conceptual Framework for the e-enabling of Automotive Supply Chains. M Tech dissertation, Faculty of Computer Studies, Port Elizabeth Technikon, 2002 pdf BibTeX

[4] R.A. Botha. CoSAWoE - A model for Context-Sensitive Access Control in Workflow Environments. PhD thesis, Faculty of Natural Sciences, Rand Afrikaans University, April 2002 pdf BibTeX

[3] S. Perelson. SoDA: A Model for the Administration of Separation of Duty Requirements in Workflow Systems. Faculty of Computer Studies, Port Elizabeth Technikon, 2001 pdf BibTeX

[2] C. Papenfus. A model for the enforcement of history-based Separation of Duty. M Tech dissertation, Faculty of Computer Studies, Port Elizabeth Technikon, 2001 pdf BibTeX

[1] R.A. Botha. Information Security in Client/Server Environments. M Sc dissertation, Faculty of Natural Sciences, Rand Afrikaans University, September 1997. pdf BibTeX