title: On the Volume of Geo-referenced Tweets and Their Relationship to Events Relevant for Migration Tracking
abstract: Migration is a major challenge for the European Union, resulting in early preparedness being an imperative for target states and their stakeholders such as border police forces. This preparedness is necessary for multiple reasons, including the provision of adequate search and rescue measures. To support preparedness, there is a need for early indicators for detection of developing migratory push-factors related to imminent migration flows. To address this need, we have investigated the daily nu
journal: IFIP advances in information and communication technology