@inproceedings{TUW-235553, author = {Hobel, Heidelinde and Madlberger, Lisa and Th{\"o}ni, Andreas and Fenz, Stefan}, title = {Visualisation of User-Generated Event Information: Towards Geospatial Situation Awareness Using Hierarchical Granularity Levels}, booktitle = {Workshop on Social Media and Linked Data for Emergency Response (SMILE2014) 11th Extended Semantic Web Conference (ESWC2014)}, year = {2014}, pages = {1--12}, publisher = {Online Proceedings for Scientific Workshops} }