GeoSpatial Semantics Third International Conference, GeoS 2009, Mexico City, Mexico, December 3-4, 2009, Proceedings Janowicz Krzysztof Heftet / 2009 / Engelsk
GeoSpatial Semantics 4th International Conference, GeoS 2011, Brest, France, May 12-13, 2011, Proceedings Claramunt Christophe Heftet / 2011 / Engelsk
GeoSpatial Semantics Second International Conference, GeoS 2007, Mexico City, Mexico, November 29-30, 2007 Fonseca Frederico Heftet / 2007 / Engelsk
GeoSpatial Semantics First International Conference, GeoS 2005, Mexico City, Mexico, November 29-30, 2005, Proceedings Rodriguez M. Andrea Heftet / 2005 / Engelsk
