GeoSpatial Semantics Third International Conference, GeoS 2009, Mexico City, Mexico, December 3-4, 2009, Proceedings Janowicz Krzysztof Heftet / 2009 / Engelsk
Land Use and Land Cover Semantics Principles, Best Practices, and Prospects Ahlqvist Ola Heftet / 2017 / Engelsk
Knowledge Engineering and Knowledge Management 19th International Conference, EKAW 2014, Linköping, Sweden, November 24-28, 2014, Proceedings Janowicz Krzysztof Heftet / 2014 / Engelsk