Computer-Based Systems Important to Safety (COMPSIS) Project: 3 Years of Operation (2005-2007)

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During the mid 1990s a task group was formed within the Organisation for Economic Co-operation and Development/Nuclear Energy Agency (OECD/NEA) to exchange information on events involving computer-based systems. In 2005 the OECD/NEA Steering Committee agreed to establish the international Computer-Based Systems Important to Safety (COMPSIS) project to encourage multilateral co-operation in the collection and analysis of data relating to computer-based system events in nuclear facilities. The main objective of the project is to improve the safety of nuclear facilities by utilising operating experience and providing common resources for the analytical framework of qualitative and quantitative assessments.

This report describes the status of the COMPSIS database after three years of operation and gives some insights into the database structure, coding guidelines, collected computer-based system failure events and a first qualitative insight from the data.