| 2018 | ICCHP | Co-creation of a Mobile City District Guide with and for Older Adults. | Frank Berker, Frank Reins, Helmut Heck |
| 2014 | ICCHP | The Mobile Travel Assistance System NAMO with Way-Finding Support in Public Transport Environments. | Christian Bhler, Helmut Heck, Annika Nietzio, Frank Reins |
| 2010 | ICCHP | User Feed-Back in the Development of an Information System for Public Transport. | Christian Bhler, Helmut Heck, Christian Radek, Rainer Wallbruch, Josef Becker, Claudia Bohner-Degrell |
| 2008 | ICCHP | How to Inform People with Reduced Mobility about Public Transport. | Christian Bhler, Helmut Heck, Josef Becker |
| 2008 | ICCHP | Monitoring Accessibility of Governmental Web Sites in Europe. | Christian Bhler, Helmut Heck, Annika Nietzio, Morten Goodwin Olsen, Mikael Snaprud |
| 2006 | ICCHP | Interpreting Results from Large Scale Automatic Evaluation of Web Accessibility. | Christian Bhler, Helmut Heck, Olaf Perlick, Annika Nietzio, Nils Ulltveit-Moe |
| 2006 | ICCHP | BAIM-Information for People with Reduced Mobility in the Field of Public Transport. | Christian Bhler, Helmut Heck, Dirk Sischka, Josef Becker |
| 2002 | ICCHP | Individually Assisted Text Entry with Situational and Contextual Prediction. | Dirk Clemens, Helmut Heck, Michael Khn, Olaf Perlick, Frank Reins |
| 1994 | ICCHP | A Uniform Control Interface for Various Electronic Aids. | Christian Bhler, Helmut Heck, Rainer Wallbruch |