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FILTER LOCAL SOURCES

In crisis situations, social media is used by local and remote people. In order to create situational awareness it is important to distinguish between local and remote sources.

Therefore, LEAs identify people posting from the ground or use algorithms that can identify this behaviour.

  • A low-tech solution is to identify and list people who are known to post post from the ground. Algorithms can help to identify and distinguish local sources from the overall social media conversation around a topic.
    • In: Learning from the Crowd: Collaborative Filtering Techniques for Identifying On-the-Ground Twitterers during Mass Disruptions. Kate Starbird, Grace Muzny, Leysia Palen.
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