The engineering of high-quality software requirements generally relies on assumptions about the environment in which the software-to-be has to operate. As assumptions are added or changed, so must the software requirements. Ensuring the correctness of this process is challenging and introduces risk to the safe operation of any software that implements them. In this talk, I will be presenting some of our recent work on safe-by-construction adaptations of software systems in which we try to address such problems both at design- and run-time.

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This talk is held at the Risk Institute in our Seminar room, and will be broadcast live on Zoom

This talk describes the research carried out on the Lloyd’s Register Foundation funded project NxGen (Next Generation Prediction Methodologies and Tools for System Safety Analysis) to tackle the issues of current modelling capabilities for complex system safety analysis. The research presented is investigating novel theoretical and computational strategies for overcoming the limitations of common risk assessment methodologies. An overview will be provided of the modelling framework under development, discussing its capabilities, current research challenges and future potential applications.

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Risk is defined, generally, as the chance that something bad could happen. 'Chance' is quantifiable. 'Bad' is not. It is entirely subjective. So the challenge for risk communication is to appreciate the psychological factors that determine how a risk feels, and to demonstrate a sincere respect for those feelings in both actions and messages designed to build trust and therefore enhance the impact of the information the communicator wants to convey.

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