@misc{misc4484800e, title = {Exploring the geographical relations between social media and flood phenomena to improve situational awareness: a study about the river Elbe Flood in June 2013}, author = {Herfort, Benjamin and Albuquerque, João Porto de and Schelhorn, Svend-Jonas and Zipf, Alexander}, year = {2014}, doi = {10.1007/978-3-319-03611-3_4}, publisher = {Springer}, booktitle = {International Conference on Geographic Information Science - AGILE} }