Techno-economic evaluation of an ontology-based nurse call system via discrete event simulations. - Frederic Vannieuwenborg; Femke Ongenae; Pieter Demyttenaere; Laurens Van Poucke; Jan Van Ooteghem; Stijn Verstichel; Sofie Verbrugge; Didier Colle; Filip De Turck; Mario Pickavet (Healthcom, 2014)