• Publications
  • Influence
Timestamps in Message-Passing Systems That Preserve the Partial Ordering
TLDR
This paper presents algorithms for timestamping events in both synchronous and asynchronous n1essage-passing programs that allow for access to the partial ordering in a parallel system.
Logical time in distributed computing systems
  • C. Fidge
  • Computer Science
    Computer
  • 1 August 1991
The partial ordering of events as defined by their causal relationships, that is, the ability of one event to directly, or transitively, affect another is defined. Its generalized and practical
Current Research in Risk-aware Business Process Management―Overview, Comparison, and Gap Analysis
TLDR
This paper compares and classifies current approaches in the area of risk-aware business process management in order to identify and explain relevant research gaps and collects and evaluates relevant literature.
Partial orders for parallel debugging
  • C. Fidge
  • Computer Science
    PADD '88
  • 1 November 1988
TLDR
This work explores use of the partially ordered relation “happened before” to augment both centralized and distributed parallel debuggers to ensure that such errors are always detected and that the results produced by the debugger are unaffected by the non-determinism inherent in the partial ordering.
Access Control Requirements for Processing Electronic Health Records
TLDR
Here it is shown how the required level of data security can be achieved through a judicious combination of all three mechanisms, and the traditional security models for access control, Discretionary Access Control, Mandatory Access Control and Role-Based Access Control are reviewed.
Further evidence of a relationship between explaining, tracing and writing skills in introductory programming
TLDR
It is found that students who cannot trace code usually cannot explain code, and students who tend to perform reasonably well at code writing tasks have also usually acquired the ability to both trace code and explain code.
Business Process Simulation for Operational Decision Support
TLDR
This work investigates the requirements for a process simulation environment that allows simulation experiments to start from an intermediate execution state and proposes an architecture addressing these requirements and demonstrates it through a case study conducted using the YAWL workflow engine and CPN simulation tools.
Security Metrics for Object-Oriented Class Designs
TLDR
This work proposes seven security metrics to measure Data Encapsulation and Cohesion of a given object-oriented class from the point of view of potential information flow and defines a number of security metrics that allow designers to discover and fix security vulnerabilities at an early stage.
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