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Details of Grant 

EPSRC Reference: GR/N00258/01
Title: SCULLY SCALLING UP BAYESIAN NETS FOR SOFTWARE RISK ASSESSMENT
Principal Investigator: Fenton, Professor N
Other Investigators:
Neil, Professor M
Researcher Co-Investigators:
Project Partners:
Hugin Expert A/S Philips
Department: Computer Science
Organisation: Queen Mary University of London
Scheme: Standard Research (Pre-FEC)
Starts: 13 July 2000 Ends: 12 July 2003 Value (£): 203,501
EPSRC Research Topic Classifications:
Software Engineering
EPSRC Industrial Sector Classifications:
Electronics Information Technologies
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Summary on Grant Application Form
ayesian Belief nets (BBNs) provide an ideal framework for software risk assessment and process improvement. Unlike traditional metrics approaches, BBNs can incorporate a range of metrics into a causal model of the software development and testing process. Hence, BBNs provide more accurate Predictions of critical attributes (like cost and quality) than can be achieved by traditional -egression approaches. However, although the breakthrough BBN algorithms of the 1980's finally enabled large BBNs to be EXECUTED, there was little support until very recently for the problems of BUILDING large-scale BBNs. In our own recent projects we have made major technological advances in this area that have enabled us to build real application domain solutions (in the general area of software dependability/ quality) on an unprecedented scale. These applications, however, require significant expert involvement and are not easily tailorable, while the process of using the methods and tools requires highly specialised skills. Hence, this proposal aims to move the process of building large-scale BBNs on to the next evolutionary level. We will develop methods to remove the remaining technological barriers that prevent non-experts from building and using large-scale BBNs. An active User group of existing industrial contacts will validate the methods.
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