 | 2009 |
| 3 |  | Norman Höller,
Arjan Geven,
Manfred Tscheligi,
Lucas Paletta,
Katrin Amlacher,
Patrick Morris Luley,
Dusan Omercevic:
Exploring the urban environment with a camera phone: lessons from a user study.
Mobile HCI 2009 |
| 2 |  | Michael Leitner,
Özge Subasi,
Norman Höller,
Arjan Geven,
Manfred Tscheligi:
User requirement analysis for a railway ticketing portal with emphasis on semantic accessibility for older users.
W4A 2009: 114-122 |
| 2008 |
| 1 |  | Arjan Geven,
Reinhard Sefelin,
Norman Höller,
Manfred Tscheligi,
Markus Mayer:
Always-on information: services and applications on the mobile desktop.
Mobile HCI 2008: 23-32 |