Ontology, Conceptualization and Epistemology for Information Systems, Software Engineering and Service Science 4th International Workshop, ONTOSE 2010, held at CAiSE 2010, Hammamet, Tunisia, June 7-8, 2010, Revised Selected Papers Sicilia Miguel-Angel Heftet / 2010 / Engelsk
Information Systems and e-Business Technologies 2nd International United Information Systems Conference, UNISCON 2008, Klagenfurt, Austria, April 22-25, 2008, Proceedings Kaschek Roland Heftet / 2008 / Engelsk
Conceptual Modeling - ER 2005 24th International Conference on Conceptual Modeling, Klagenfurt, Austria, October 24-28, 2005, Proceedings Kop Christian Heftet / 2005 / Engelsk
Information Systems: Methods, Models, and Applications 4th International United Information Systems Conference, UNISCON 2012, Yalta, Ukraine, June 1-3, 2012, Revised Selected Papers Mayr Heinrich C. Heftet / 2013 / Engelsk
