Individually Assisted Text Entry with Situational and Contextual Prediction. - Dirk Clemens; Helmut Heck; Michael Kühn; Olaf Perlick; Frank Reins (ICCHP, 2002)

The Mobile Travel Assistance System NAMO with Way-Finding Support in Public Transport Environments. - Christian Bühler; Helmut Heck; Annika Nietzio; Frank Reins (ICCHP (2), 2014)

Way-Finding Support in Public Transport Environments provided by the NAMO Mobile Travel Assistance System. - Christian Bühler; Helmut Heck; Annika Nietzio; Frank Reins; Frank Berker (AAATE Conf., 2015)

Customised City Maps in Mobile Applications for Senior Citizens. - Frank Reins; Frank Berker; Helmut Heck (AAATE Conf., 2017)

Co-creation of a Mobile City District Guide with and for Older Adults. - Frank Berker; Frank Reins; Helmut Heck (ICCHP (2), 2018)