M. Andrea Rodríguez Isabel F. Cruz Max J. Egenhofer Sergei Levashkin GeoSpatial Semantics, First International Conference, GeoS 2005, Mexico City, Mexico, November 29-30, 2005, Proceedings 3799 2005 3-540-30288-3 GeoS Lecture Notes in Computer Science Springer db/conf/geos/geos2005.html