Bernd Ludwig, Martin Hacker, Richard Schaller, Björn Zenker, Alexei V. Ivanov, Giuseppe Riccardi. Tell me your needs: assistance for public transport users. In Fabio Paternò, Kris Luyten, Frank Maurer, editors, Proceedings of the 3rd ACM SIGCHI Symposium on Engineering Interactive Computing System, EICS 2011, Pisa, Italy, June 13-16, 2011. pages 157-160, ACM, 2011. [doi]
Abstract is missing.