In railway transportation, each train needs to have a timetable that specifies which track at which time will be occupied by it. This task can be addressed by automatization techniques both in generating a timetable and in optimizing an existing one. In this paper, we give an overview on the...

In many organizations, productivity relies not just on individual effort but also on group morale, that is, the willingness of co-workers to help each other perform better at work. Relative performance evaluations (RPE) are known to increase individual work morale but may negatively affect group...