Requirements-Driven Software Reengineering
This event took place on Tuesday 25 April 2006 at 10:00
Dr Yijun Yu University of Toronto
As illustrated by the Horseshoe model, a software reengineering process improves a software system by reverse engineering it into high-level abstractions that can be used in the forward software engineering. Unlike traditional reengineering processes that recover abstractions at the level of architectural design, here I show that more abstract descriptions can be recovered at the requirements level, as goals of the stakeholders. The recovered requirements are then used as the basis to reengineer the system. Combining them with new stakeholder requirements for the system-to-be, a high-variability architectural design can be derived.
Download PowerPoint presentation (2.5Mb ZIP file)
This event took place on Tuesday 25 April 2006 at 10:00
Dr Yijun Yu University of Toronto
As illustrated by the Horseshoe model, a software reengineering process improves a software system by reverse engineering it into high-level abstractions that can be used in the forward software engineering. Unlike traditional reengineering processes that recover abstractions at the level of architectural design, here I show that more abstract descriptions can be recovered at the requirements level, as goals of the stakeholders. The recovered requirements are then used as the basis to reengineer the system. Combining them with new stakeholder requirements for the system-to-be, a high-variability architectural design can be derived.
Download PowerPoint presentation (2.5Mb ZIP file)
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Social Software is...
Interacting with other people not only forms the core of human social and psychological experience, but also lies at the centre of what makes the internet such a rich, powerful and exciting collection of knowledge media. We are especially interested in what happens when such interactions take place on a very large scale -- not only because we work regularly with tens of thousands of distance learners at the Open University, but also because it is evident that being part of a crowd in real life possesses a certain 'buzz' of its own, and poses a natural challenge. Different nuances emerge in different user contexts, so we choose to investigate the contexts of work, learning and play to better understand the trade-offs involved in designing effective large-scale social software for multiple purposes.
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