Jim Reese

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For the past 17 years, Professor Leveson and her graduate students have been developing a theoretical foundation for safety in complex systems and building a methodology upon that foundation. The methodology (as described in her book Safeware 2]) includes special management structures and procedures, system hazard analyses, software hazard analysis,(More)
conference reports only, so single failures aren't fatal but only reduce capacity. To answer a query, the Web server (a custom package called gws) queries index servers, document servers (cached pages), and ad servers, in parallel, and keeps trying until it gets a response. Each query may involve a dozen or more servers, using whichever reply comes in the(More)
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