selected scholarly activity
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chapters
- Comprehensive Change Impact Analysis Applied to Advanced Automotive Systems. Lecture Notes in Computer Science. 134-149. 2024
- Redesigning Medical Device Assurance: Separating Technological and Clinical Assurance Cases. Lecture Notes in Computer Science. 25-38. 2023
- Literature Review of Computer Tools for the Visually Impaired: A Focus on Search Engines. 237-259. 2022
- Generating Assurance Cases Using Workflow$$^+$$ Models. Lecture Notes in Computer Science. 97-110. 2022
- 3 Software Engineering for Model-Based Development by Domain Experts. 39-64. 2017
- Software Engineering for Model-Based Development by Domain Experts. 39-64. 2017
- New standards for trustworthy cyber-physical systems. 337-367. 2016
- Trustworthy Cyber-Physical Systems Engineering. 237-270. 2016
- Verifying trustworthy cyber-physical systems using closed-loop modeling. 199-235. 2016
- Separating Safety and Control Systems to Reduce Complexity. 85-102. 2012
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conferences
- Simulation-based Analysis of a Novel Loop-based Road Topology for Autonomous Vehicles. 2024 IEEE Intelligent Vehicles Symposium (IV). 1000-1007. 2024
- Lessons Learned Building a Tool for Workflow+. 2023 ACM/IEEE 26th International Conference on Model Driven Engineering Languages and Systems (MODELS). 140-150. 2023
- Assurance Cases for Timing Properties of Automotive TSN Networks. Lecture Notes in Computer Science. 26-31. 2023
- Model-Driven Safety of Autonomous Vehicles. RECENT TRENDS AND ADVANCES IN MODEL BASED SYSTEMS ENGINEERING. 407-417. 2022
- Repository Mining for Changes in Simulink Models. 2021 ACM/IEEE 24th International Conference on Model Driven Engineering Languages and Systems (MODELS). 46-57. 2021
- Change impact analysis in Simulink designs of embedded systems. Proceedings of the 28th ACM Joint Meeting on European Software Engineering Conference and Symposium on the Foundations of Software Engineering. 1274-1284. 2020
- Applying Modular Decomposition in Simulink. 2020 IEEE International Symposium on Software Reliability Engineering Workshops (ISSREW). 31-36. 2020
- A Comparison of Componentization Constructs for Supporting Modularity in Simulink. SAE Technical Papers. 2020
- Systematic Evaluation of (Safety) Assurance Cases. Lecture Notes in Computer Science. 18-33. 2020
- Criteria to Systematically Evaluate (Safety) Assurance Cases. Proceedings - International Symposium on Software Reliability Engineering, ISSRE. 380-390. 2019
- Something is Rotten in the State of Documenting Simulink Models. Proceedings of the 7th International Conference on Model-Driven Engineering and Software Development. 505-512. 2019
- Something is Rotten in the State of Documenting Simulink Models. Proceedings of the 7th International Conference on Model-Driven Engineering and Software Development. 503-510. 2019
- Assurance via model transformations and their hierarchical refinement. Proceedings of the 21th ACM/IEEE International Conference on Model Driven Engineering Languages and Systems. 426-436. 2018
- Assurance cases for scientific computing software. Proceedings - International Conference on Software Engineering. 420-421. 2018
- Documenting Simulink Designs of Embedded Systems. Proceedings of the 21st ACM/IEEE International Conference on Model Driven Engineering Languages and Systems: Companion Proceedings. 47-51. 2018
- Safe and Secure Automotive Over-the-Air Updates. Lecture Notes in Computer Science. 172-187. 2018
- Principles for Systematic Development of an Assurance Case Template from ISO 26262. 2017 IEEE International Symposium on Software Reliability Engineering Workshops (ISSREW). 69-72. 2017
- Use of Tabular Expressions for Refinement Automation. Lecture Notes in Computer Science. 167-182. 2017
- Message from the FVPE 2016 Workshop Organizers. 2016 IEEE International Symposium on Software Reliability Engineering Workshops (ISSREW). xxiii. 2016
- Message from the workshop chairs. Proceedings - International Workshop on Software Engineering in Healthcare Systems, SEHS 2016. vii. 2016
- Formal Translation of IEC 61131-3 Function Block Diagrams to PVS with Nuclear Application. Lecture Notes in Computer Science. 206-220. 2016
- Using STPA in an ISO 26262 Compliant Process. Lecture Notes in Computer Science. 117-129. 2016
- Stateflow to Tabular Expressions. Proceedings of the Sixth International Symposium on Information and Communication Technology. 312-319. 2015
- A Methodology for the Simplification of Tabular Designs in Model-Based Development. 2015 IEEE/ACM 3rd FME Workshop on Formal Methods in Software Engineering. 47-53. 2015
- Formalizing the Cardiac Pacemaker Resynchronization Therapy. Lecture Notes in Computer Science. 374-386. 2015
- Is Current Incremental Safety Assurance Sound?. Lecture Notes in Computer Science. 397-408. 2015
- Stepwise Formal Modelling and Reasoning of Insulin Infusion Pump Requirements. Lecture Notes in Computer Science. 387-398. 2015
- Certifiably safe software-dependent systems: challenges and directions. Future of Software Engineering Proceedings. 182-200. 2014
- Combining Static and Dynamic Impact Analysis for Large-Scale Enterprise Systems. Lecture Notes in Computer Science. 224-238. 2014
- Envisioning a Requirements Specification Template for Medical Device Software. Lecture Notes in Computer Science. 209-223. 2014
- Formalizing and Verifying Function Blocks Using Tabular Expressions and PVS. Communications in Computer and Information Science. 125-141. 2014
- Formalizing the Glucose Homeostasis Mechanism. Lecture Notes in Computer Science. 460-471. 2014
- Impact Analysis via Reachability and Alias Analysis. Lecture Notes in Business Information Processing. 261-270. 2014
- Insulin Pump Software Certification. Lecture Notes in Computer Science. 87-106. 2014
- Committee. 2013 5th International Workshop on Software Engineering in Health Care (SEHC). iii-iv. 2013
- Though this be madness, yet there is method in it? (Keynote). 2013 1st FME Workshop on Formal Methods in Software Engineering (FormaliSE). 1-7. 2013
- A Call Graph Mining and Matching Based Defect Localization Technique. 2013 IEEE Sixth International Conference on Software Testing, Verification and Validation Workshops. 86-95. 2013
- Large-Scale Enterprise Systems: Changes and Impacts. Lecture Notes in Business Information Processing. 274-290. 2013
- Change impact analysis for large-scale enterprise systems. ICEIS 2012 - Proceedings of the 14th International Conference on Enterprise Information Systems. 359-368. 2012
- An Event-B Approach to Timing Issues Applied to the Generic Insulin Infusion Pump. Lecture Notes in Computer Science. 160-176. 2012
- Foundations of Health Informatics Engineering and Systems - First International Symposium, FHIES 2011, Johannesburg, South Africa, August 29-30, 2011. Revised Selected Papers. FHIES. 2012
- Microcontroller Assembly Synthesis from Timed Automaton Task Specifications. Lecture Notes in Computer Science. 63-77. 2012
- Model Checking Workflow Monitors and Its Application to a Pain Management Process. Lecture Notes in Computer Science. 111-128. 2012
- NOVA Workflow: A Workflow Management Tool Targeting Health Services Delivery. Lecture Notes in Computer Science. 75-92. 2012
- Positioning verification in the context of software/system certification. Electronic Communications of the EASST. 2012
- Who Are We, and What Are We Doing Here?. Lecture Notes in Computer Science. 7-9. 2012
- Software certification experience in the canadian nuclear industry. Proceedings of the ninth ACM international conference on Embedded software. 219-225. 2011
- A Technique for Strengthening Weak Passwords in Electronic Medical Record Systems.. FHIES. 207-224. 2011
- Challenges in eHealth: From Enabling to Enforcing Privacy.. FHIES. 195-206. 2011
- Declarative Modelling and Safe Distribution of Healthcare Workflows.. FHIES. 39-56. 2011
- Experiences with a Compositional Model Checker in the Healthcare Domain.. FHIES. 93-110. 2011
- Form Follows Function - Model-Driven Engineering for Clinical Trials.. FHIES. 21-38. 2011
- Formalization of Heart Models Based on the Conduction of Electrical Impulses and Cellular Automata.. FHIES. 140-159. 2011
- Medical Protocol Diagnosis Using Formal Methods.. FHIES. 1-20. 2011
- On the Safety of Electronic Medical Records.. FHIES. 177-194. 2011
- Position Paper: Researching and Developing Open Architectures for National Health Information Systems in Developing African Countries.. FHIES. 129-139. 2011
- Software Certification: Is There a Case against Safety Cases?. Lecture Notes in Computer Science. 206-227. 2011
- Towards a Formal Integrated Model of Collaborative Healthcare Workflows.. FHIES. 57-74. 2011
- Selecting the best strategy in a software certification process. Proceedings of the International Multiconference on Computer Science and Information Technology. 53-58. 2010
- Certification of Software-Driven Medical Devices. Lecture Notes in Computer Science. 293-295. 2010
- On Software Certification: We Need Product-Focused Approaches. Lecture Notes in Computer Science. 250-274. 2010
- Software certification consortium. Proceedings of the 2010 Conference of the Center for Advanced Studies on Collaborative Research - CASCON '10. 434-434. 2010
- Describing and Analyzing Behaviours over Tabular Specifications Using (Dyn)Alloy. Lecture Notes in Computer Science. 155-170. 2009
- Formal Verification of the Implementability of Timing Requirements. Lecture Notes in Computer Science. 119-134. 2009
- Automated Optimal Design for Manufacturability of Sheet/Plate Assemblies. American Society of Mechanical Engineers, Design Engineering Division (Publication) DE. 365-370. 2008
- Symbolic computation and deduction applied to reverse engineering. Informal Proceedings - 13th Symposium on the Integration of Symbolic Computation and Mechanized Reasoning, Calculemus 2006. 132-134. 2006
- Timing Tolerances in Safety-Critical Software. Lecture Notes in Computer Science. 157-172. 2005
- To do or not to do: If the requirements engineering payoff is so good, why aren' t more companies doing it?. Proceedings of the IEEE International Conference on Requirements Engineering. 447-447. 2005
- Lessons Learned from a Successful Implementation of Formal Methods in an Industrial Project. Lecture Notes in Computer Science. 133-153. 2003
- On tabular expressions.. CASCON. 92-106. 2003
- APPLYING SMALL COMPUTERS TO UNDERGRADUATE INSTRUCTION IN ENGINEERING MECHANICS AT THE UNIVERSITY OF MINNESOTA.. Proceedings of the Society for Experimental Stress Analysis. 112-116. 1983
- DEVELOPMENT OF A SYSTEMATIC PROBLEM SOLVING COURSE: AN ALTERNATIVE TO THE USE OF CASE STUDIES.. Proceedings - Frontiers in Education Conference, FIE. 42-46. 1983
- STEREOPHOTOGRAMMETRIC MAPPING OF THE HUMAN FACE FOR CLINICAL ANALYSIS AND RESEARCH IN CRANIOFACIAL SURGERY.. Technical Papers of the American Society of Photogrammetry, Annual Meeting. 274-283. 1983
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journal articles
- Repository mining for changes in Simulink and Stateflow models. Software and Systems Modeling (SoSyM). 22:1713-1732. 2023
- Using Assurance Cases to Prevent Malicious Behaviour from Targeting Safety Vulnerabilities. Lecture Notes in Computer Science. 14182:5-14. 2023
- Fault Detection and Diagnosis of Engine Spark Plugs Using Deep Learning Techniques. SAE International Journal of Engines. 15:515-525. 2022
- System Failure Detection Using Deep Learning Models Integrating Timestamps With Nonuniform Intervals. IEEE Access. 10:17629-17640. 2022
- A formal approach to rigorous development of critical systems. Journal of Software-Evolution and Process. 33. 2021
- Raising the Bar: Assurance Cases for Scientific Software. Computing in Science and Engineering. 23:47-57. 2021
- Building Confidence in Scientific Computing Software Via Assurance Cases 2019
- Secure and trusted partial grey-box verification. International Journal of Information Security. 18:677-700. 2019
- Software engineering practices and Simulink: bridging the gap. International Journal on Software Tools for Technology Transfer. 20:95-117. 2018
- Translation of IEC 61131-3 Function Block Diagrams to PVS for Formal Verification with Real-Time Nuclear Application. Journal of Automated Reasoning. 60:63-84. 2018
- Secure and trusted white-box verification. CoRR. abs/1605.03932. 2016
- Formal verification of function blocks applied to IEC 61131-3. Science of Computer Programming. 113:149-190. 2015
- Can Product-Specific Assurance Case Templates Be Used as Medical Device Standards?. IEEE Design and Test. 32:45-55. 2015
- Formal Verification of Real-Time Function Blocks Using PVS. Electronic Proceedings in Theoretical Computer Science. 184:65-79. 2015
- Understanding Integrity Level Concepts. Computer. 47:99-101. 2014
- The most suitable person to establish quality assurance guidelines for the generation and use of noncommercial clinical software is a medical physicist. Medical Physics. 41:090601. 2014
- The Pacemaker Challenge: Developing Certifiable Medical Devices (Dagstuhl Seminar 14062).. Dagstuhl Reports. 4:17-38. 2014
- Formal Verification of Nuclear Systems: Past, Present, and Future. Information & Security : An International Journal. 28:223-235. 2012
- A memory of debt and mirth. Transactions of the Royal Society of South Africa. 65:142-142. 2010
- Integrated software methodologies – An engineering approach. Transactions of the Royal Society of South Africa. 65:125-136. 2010
- A Software Certification Consortium and its Top 9 Hurdles. Electronic Notes in Theoretical Computer Science. 238:11-17. 2009
- A Product-Focused Approach to Software Certification. Computer. 41:91-93. 2008
- Software tools for safety-critical software development. International Journal on Software Tools for Technology Transfer. 8:337-354. 2006
- Tabular expressions and their relational semantics. Fundamenta Informaticae. 67:343-370. 2005
- Personal computers and modeling in engineering education. CoED. 10:31-46. 1990
- Solving $Ax = b$: A Method with Reduced Storage Requirements. SIAM Journal on Numerical Analysis. 19:197-204. 1982
- A coupled finite element-boundary element method of stress analysis. International Journal of Rock Mechanics and Minings Sciences. 18:475-485. 1981
- A new method for the solution ofAx=b. Numerische Mathematik. 29:287-289. 1978
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other
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preprints
- Simulation-based Analysis of a Novel Loop-based Road Topology for Autonomous Vehicles 2024
- Separating Technological and Clinical Safety Assurance for Medical Devices 2023
- Novel Fundus Image Preprocessing for Retcam Images to Improve Deep Learning Classification of Retinopathy of Prematurity 2023
- Is the Rush to Machine Learning Jeopardizing Safety? Results of a Survey 2021
- Literature Review of Computer Tools for the Visually Impaired: a focus on Search Engines 2020
- Supporting Modularity in Simulink Models 2020
- Assurance via workflow+ modelling and conformance 2019
- Secure and trusted white-box verification 2016
- Formal Verification of Real-Time Function Blocks Using PVS 2015