| 2009 |
| 4 | EE | Johann Schrammel,
Michael Leitner,
Manfred Tscheligi:
Semantically structured tag clouds: an empirical evaluation of clustered presentation approaches.
CHI 2009: 2037-2040 |
| 2007 |
| 3 | EE | Johann Schrammel,
Arjan Geven,
Reinhard Sefelin,
Manfred Tscheligi:
"Look!": using the gaze direction of embodied agents.
CHI 2007: 1187-1190 |
| 2006 |
| 2 | EE | Arjan Geven,
Johann Schrammel,
Manfred Tscheligi:
Interacting with embodied agents that can see: how vision-enabled agents can assist in spatial tasks.
NordiCHI 2006: 135-144 |
| 2003 |
| 1 | EE | Verena Giller,
Rudolf Melcher,
Johann Schrammel,
Reinhard Sefelin,
Manfred Tscheligi:
Usability Evaluations for Multi-device Application Development Three Example Studies.
Mobile HCI 2003: 302-316 |