The goal of this article is to survey the relevant literature on project scheduling with possible activity failures …, the further study of which we would like to foster among the scheduling community. The model has been formulated with R …&D projects in mind, but its study may be useful also for developing scheduling methods in other contexts. We discuss a number of …

although risk can be measured, uncertainty cannot be measured. Even though risk can be measured, a simple symmetric measure … attempt at "measuring" risk or (fundamental) uncertainty is flawed. …