DSS systems for emergency management and training based on distributed components object models

Decision makers generally have enormous responsibility and sometimes lack of reliable information. In case of such a serious events like nuclear accidents could be, man is usually under stress and stress, of course, is great potential contributor for making errors. Decision makers are often competent people with general knowledge and skills and they are not deeply concerned in some scientific or technical details. Reliable and realistic recommendation for decision makers provide so called supporting groups, established for this purpose and composed of high level skilled experts. Nevertheless, even experts are only human beings and therefore it is of the first importance that they have as much reliable information, methods and tools as possible to help them to evaluate what happened and to predict what can happen in future. Friendly user's interface of supporting tools is essential for correct interpretation of available data and for avoiding errors (author) (ml)