| Event | When | Where | Deadline | |
| PETRA 2011 |
The 4th International Conference on PErvasive Technologies Related to Assistive Environments | |
| May 25, 2011 - May 27, 2011 |
Crete, Greece |
Jan 31, 2011 |
| PETRA 2013 |
6th International Conference on Pervasive Technologies Related to Assistive Environments | |
| May 29, 2013 - May 31, 2013 |
Rhodes, Greece |
Jan 20, 2013 |
| PETRA 2014 |
The 7th International Conference on PErvasive Technologies Related to Assistive Environments | |
| May 27, 2014 - May 30, 2014 |
Rhodes, Greece |
Jan 15, 2014 |
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