Krzysztof Janowicz Martin Raubal Angela Schwering Werner Kuhn Semantic Similarity Measurement and Geospatial Applications. 651-659 2008 12 T. GIS 6 http://dx.doi.org/10.1111/j.1467-9671.2008.01129.x db/journals/tgis/tgis12.html#JanowiczRSK08