Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Zahra, Kiran; Imran, Muhammad; Ostermann, Frank O (2018). Understanding eyewitness reports on Twitter during disasters. In: 15th International Conference on Information Systems for Crisis Response and Management ISCRAM 2018, Rochester (USA), 21 May 2018 - 23 May 2018, 687-695.
Zahra, Kiran; Ostermann, Frank O; Purves, Ross S (2017). Geographic variability of Twitter usage characteristics during disaster events. Geo-Spatial Information Science, 20(3):231-240.