Mitigating information overload in social media during conflicts and crises: design and evaluation of a cross-platform alerting system

Marc-André Kaufhold, Nicola Rupp, Christian Reuter and Matthias Habdank

Behaviour and Information Technology, 2020, vol. 39, issue 3, 319-342

Abstract: The research field of crisis informatics examines, amongst others, the potentials and barriers of social media use during conflicts and crises. Social media allow emergency services to reach the public easily in the context of crisis communication and receive valuable information (e.g. pictures) from social media data. However, the vast amount of data generated during large-scale incidents can lead to issues of information overload and quality. To mitigate these issues, this paper proposes the semi-automatic creation of alerts including keyword, relevance and information quality filters based on cross-platform social media data. We conducted empirical studies and workshops with emergency services across Europe to raise requirements, then iteratively designed and implemented an approach to support emergency services, and performed multiple evaluations, including live demonstrations and field trials, to research the potentials of social media-based alerts. Finally, we present the findings and implications based on semi-structured interviews with emergency services, highlighting the need for usable configurability and white-box algorithm representation.

Date: 2020
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DOI: 10.1080/0144929X.2019.1620334

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