| 2007 |
| 3 | EE | Lasse Lehmann,
Tomas Hildebrandt,
Christoph Rensing,
Ralf Steinmetz:
Capturing, Management and Utilization of Lifecycle Information for Learning Resources.
EC-TEL 2007: 187-201 |
| 2 | EE | Sonja Bergsträsser,
Tomas Hildebrandt,
Lasse Lehmann,
Christoph Rensing,
Ralf Steinmetz:
Virtual context based services for support of interaction in virtual worlds.
NETGAMES 2007: 111-116 |
| 2006 |
| 1 | EE | Marek Meyer,
Tomas Hildebrandt,
Christoph Rensing,
Ralf Steinmetz:
Requirements and an Architecture for a Multimedia Content Re-purposing Framework.
EC-TEL 2006: 500-505 |