Depending on the attributes in the log, different types of analysis are possible. Figure 4.6 sketches possible results. The Petri net can be discovered by just using the activity attribute (# activity(e)). To measure durations of activities, one needs to have a transactional attribute (# trans(e)) to distinguish start from completion, and timestamps (# time(e)). To measure costs, the costs attribute is used (# costs(e)). Figure 4.6 also shows a role per activity and a social network. These have been discovered using the resource attribute (# resource(e)). For example, activities decide and reinitiate request require the role manager and Sara is the only one having this role. The social network in Fig. 4.6 shows how work is flowing through the organization, e.g., activities done by Sara are often followed by activities of Ellen. The thicker the connecting arc is, the more work is handed over from one person to another.