A handheld/server based assistance system for tourists with special needs. - Carsten Stiller; Fred Roß; Hartmut Witte (ACST, 2006)

An approach for accessible map-based websites. - Carsten Stiller; Fred Roß; Roman Rost; Mathias Stein (IMSA, 2006)

Design of an Assistance System for Elderly Based on Analyses of Needs and Acceptance. - Stefan Lutherdt; Carsten Stiller; Katrin Lienert; Sabine Spittel; Fred Roß; Christoph Ament; Hartmut Witte (HCI (5), 2009)

Towards spatial awareness in recommender systems. - Carsten Stiller; Fred Roß; Christoph Ament (ICITST, 2009)