During a flood it is often difficult to obtain accurate and real-time information about the extent of the flood and the people affected. This information is important, particularly for crisis relief organisations, in terms of further reducing risks and taking the right measures. In a joint study, two Dutch organisations – Deltares and Floodtags -…

How do you know which text messages are relevant and which are not? The Centre of Language Studies of Radboud University and FloodTags developed a tool that classifies text messages using a K-means algorithm. The tool is named “Relevancer”. On the basis of initial user input (annotating clusters of content in several rounds of user input),…