@article{Stieger2014Twitt-31312,
  year={2014},
  doi={10.1002/asi.23097},
  title={Twitter users' interest in asteroid 2012 DA<sub>14</sub> mirrored the asteroid's trajectory during its Earth flyby},
  number={7},
  volume={65},
  issn={0002-8231},
  journal={Journal of the Association for Information Science and Technology},
  pages={1409--1415},
  author={Stieger, Stefan and Swami, Viren}
}

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    <dc:creator>Swami, Viren</dc:creator>
    <dcterms:title>Twitter users' interest in asteroid 2012 DA&lt;sub&gt;14&lt;/sub&gt; mirrored the asteroid's trajectory during its Earth flyby</dcterms:title>
    <dc:contributor>Swami, Viren</dc:contributor>
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    <dc:contributor>Stieger, Stefan</dc:contributor>
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    <dcterms:abstract xml:lang="eng">On February 15, 2013, asteroid 2012 DA&lt;sub&gt;14&lt;/sub&gt; passed close to Earth during its flyby. We used this opportunity to analyze how the event affected the social-networking community of Twitter. We analyzed whether the flyby of the asteroid elicited more tweets about the asteroid close to the asteroid's trajectory compared to the neutral search term NASA. A spatio-temporal analysis of tweets about NASA revealed a natural movement of the geographical mean from east to west, mirroring the Sun's path through the sky. For the geolocation of users tweeting about the asteroid, this east-west movement changed direction, mirroring the asteroid's trajectory (from south-east to north-west) as soon as the asteroid was potentially visible from Earth. This effect appears to represent emotionally contagious flocking behavior among Twitter users influenced by the position of the asteroid itself.</dcterms:abstract>
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    <dc:creator>Stieger, Stefan</dc:creator>
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