Introduction -- Generalities on fuzzy sets -- Possibilistic indicators -- Possibilistic risk aversion -- Expected utility operators and possibilistic risk aversion -- Multidimensional possibilistic risk aversion -- Risk aversion with mixed parameters -- Credibility theory -- Concluding remarks.

The book deals with some of the fundamental issues of risk assessment in grid computing environments. The book describes the development of a hybrid probabilistic and possibilistic model for assessing the success of a computing task in a grid environment