Full paper accepted at COSIT 2015
Kiefer, P., Scheider, S., Giannopoulos, I., and Weiser, P. (2015). A wayfinding grammar based on reference system transformations. In S.I. Fabrikant, M. Raubal, M. Bertolotto, C. Davies, S. Freundschuh, and S. Bell (Eds.), Spatial Information Theory (COSIT 2015), volume 9368 of Lecture Notes in Computer Science, pages 447-467. Springer International Publishing
