420 ◾ Jon Espen Ingvaldsen
trace involves these two activities and has such a value (1,000 ms). Question marks
in the dataset represent unknown or missing values. e dataset also shows examples
of categorical features created from relations to ontological elements. Team 2 is one
ontological class related to the rst two as well as the last trace in our dataset.
e last column in the dataset is the classication feature. is feature has a 1
(true) value if the respective trace is a member of the highlighted trace cluster to be
characterized. We want to classify all traces that involve service operators in Team
1. e classication feature has a 1 (true) value if Team 1 is involved and a 0 (false)
value if it is not. Based on such datasets, ...