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\bibitem{AndreDittrich+ChristianLucas2013} Andr{\'e} Dittrich, \& Christian Lucas. (2013). A step towards real-time analysis of major disaster events based on tweets. In J. Geldermann and T. M{\"u}ller S. Fortier F. F. T. Comes (Ed.), \textit{ISCRAM 2013 Conference Proceedings -- 10th International Conference on Information Systems for Crisis Response and Management} (pp. 868--874). KIT; Baden-Baden: Karlsruher Institut fur Technologie.

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