input role true input http://www.jfsowa.com/ontology/thematic.htm 2018-07-23 Removed parent class, same as this. [Allotrope] A general role if its bearer is the input of the process that realizes the role. The bearer exists at the beginning of the process but not necessarily at its end. [Allotrope] Sowa, Knowledge Representation, Brooks Cole Publishing Co., 2000 formal definition needs FOL input role data input role general role physical input role contextual role role