Download Computer Safety, Reliability, and Security: 28th by Anne E. Haxthausen (auth.), Bettina Buth, Gerd Rabe, Till PDF

By Anne E. Haxthausen (auth.), Bettina Buth, Gerd Rabe, Till Seyfarth (eds.)

Computer-based platforms became omnipresent commodities inside of our - vironment. whereas for a wide number of those platforms reminiscent of transportation structures, nuclear or chemical crops, or clinical structures their relation to defense is clear, we frequently don't re?ect that others are as at once regarding dangers pertaining to damage performed to people or subject as, for instance, elevator keep watch over or cell phones. at the very least we aren't conscious of the danger in our day-by-day use of them. Safecomp as a neighborhood and a convention sequence has followed this - velopment for 30 years as much as Safecomp 2009, which used to be the twenty eighth of the sequence. in this time the themes and techniques in addition to the group have und- long past alterations. those adjustments re?ect the necessities of the above-mentioned ubiquitious presence of safety-related platforms. Safecomp has consistently inspired and should additional motivate academia and to percentage and trade their rules and stories. After 30 years, we because the organizers of Safecomp 2009, came upon it central to take inventory: which equipment discovered their method into the applying parts; which new techniques have to be checked for his or her useful applicability. As di?erent program domain names built their very own ways over the former many years, we attempted to draw individuals with di?erent backgrounds for this convention. - although the years 2008 and 2009 weren't effortless with reference to the final worldwide financial scenario, we succeeded with this goal.

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Additional resources for Computer Safety, Reliability, and Security: 28th International Conference, SAFECOMP 2009, Hamburg, Germany, September 15-18, 2009. Proceedings

Sample text

Even with a tool whose aggregated effect is unambiguously positive, its potential for increasing human FNs on specific classes of demands may cause concerns. For example, for a medical decision aid, the net effect may be a transfer of risk from certain patients to others: introducing the aid might reduce risk for the average patient and yet increase risk for the average patient from a certain age or ethnic group. Or the aid may have the effect of improving the performance of most doctors but making it worse for some specific doctors.

In short, this simple computer-assisted task hid subtle effects, easy to miss by designers and assessors [37]. Why Are People’s Decisions Sometimes Worse with Computer Support? Fig. 1. Cause-effect chains leading to omission errors by computer-supported operators 23 24 E. Alberdi et al. 4 Diverse Causes of Errors by Humans with Computer Support Figure 1 shows a graphical representation of cause-effect chains involved in “errors of omission”, as an incomplete but complex account of “automation bias”.

Feucht, and H. Gough the interactions that occur between objects, and hence can ensure system behavior is safe. These contracts are broken down into individual requirements placed on the parts of the system. e. an item addresses rules for a safety-related correct application to the superior architectural level. As explained in section 7 a related topic is the specification, the fulfillment and the evidence of safety requirements. According to [1] safety requirements specifications contain functional safety requirements and systematic and random failure integrity requirements.

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