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Safety analysis done with the PSA (Probabilistic Safety Analysis) method has shown some promising results. The task of collecting, structuring and interpreting safety-related information has been made simple by the computerisation of the system, thus improving previous safety analyses. This paper presents two methodologies based on new software concepts, knowledge based systems and expert systems. The incorporation of the user's knowledge either in externally created knowledge bases (FORMENTOR) or as an addendum to present knowledge (STARS) is crucial and is one of the major points that makes an expert system out of a conventional system.

Additional information

Authors: SCHEER S, JRC Ispra (IT)
Bibliographic Reference: Paper presented: Seminar workshop on methodological issues of probabilistic safety analysis/human reliability analysis and development of supporting software tools, Gdansk (PL), June 13-17, 1994
Availability: Available from (1) as Paper EN 38474 ORA
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