Advanced Information Systems Engineering 11th International Conference, CAiSE'99, Heidelberg, Germany, June 14-18, 1999, Proceedings Jarke Matthias Heftet / 1999 / Engelsk
Informatik ’97 Informatik als Innovationsmotor 27. Jahrestagung der Gesellschaft für Informatik Aachen, 24.–26. September 1997 Jarke Matthias Heftet / 1997 / Tysk
Advances in Database Technology - EDBT '94 4th International Conference on Extending Database Technology, Cambridge, United Kingdom, March 28 - 31, 1994. Proceedings Jarke Matthias Heftet / 1994 / Engelsk
KI 2002: Advances in Artificial Intelligence 25th Annual German Conference on AI, KI 2002, Aachen, Germany, September 16-20, 2002. Proceedings Jarke Matthias Heftet / 2002 / Engelsk
Conceptual Modeling 33rd International Conference, ER 2014, Atlanta, GA, USA, October 27-29,2014. Proceedings Yu, Eric Heftet / 2014 / Engelsk
Smart Cities, Green Technologies, and Intelligent Transport Systems 10th International Conference, SMARTGREENS 2021, and 7th International Conference, VEHITS 2021, Virtual Event, April 28–30, 2021, Revised Selected Papers Klein Cornel Heftet / 2022 / Engelsk
Smart Cities, Green Technologies, and Intelligent Transport Systems 12th International Conference, SMARTGREENS 2023, and 9th International Conference, VEHITS 2023, Prague, Czech Republic, April 26-28, 2023, Revised Selected Papers Klein Cornel Heftet / 2024 / Engelsk
Smart Cities, Green Technologies, and Intelligent Transport Systems 11th International Conference, SMARTGREENS 2022, and 8th International Conference, VEHITS 2022, Virtual Event, April 27–29, 2022, Revised Selected Papers Klein Cornel Heftet / 2023 / Engelsk
DGOR / ÖGOR Papers of the 21th Annual Meeting of DGOR in Cooperation with ÖGOR Vorträge der 21. Jahrestagung der DGOR zusammen mit ÖGOR Hansmann Karl-Werner Heftet / 1993 / Tysk