@inproceedings{schuldesetal:2011,
    author = "Schuldes, Stephanie and Boland, Katarina and Roth, Michael and Strube, Michael and Kroemker, Susanne and Frank, Anette",
    title = "{Modeling Spatial Knowledge for Generating Verbal and Visual Route Directions}",
    year = "2011",
    url = "http://www.cl.uni-heidelberg.de/\textasciitilde mroth/pub/nlv-11.pdf",
    booktitle = "Proceedings of the 15th Annual KES Conference",
    series = "Lecture Notes in Artificial Intelligence",
    publisher = "Springer Verlag"
}