Publikation: What’s Going On? How Twitter and Online News Can Work in Synergy to Increase Situational Awareness
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2012
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Recent studies have shown that micro-blogging services such as Twitter can outperform online news aggregators in reaction time to breaking events. On the other hand, disadvantages of Twitter, such as low signal-to-noise ratio, inaccuracy of geographical data, and lack of in-depth analysis prevent it from becoming a reliable news source. In this paper, we investigate how the different information sources Twitter and online news can be integrated to gain a better understanding of current incidents for emergency response management. Our initial results suggest that the combination enables both a quick event detection and a long-term tracking of the topical and geo-spatial implications of an event. To achieve situational awareness we suggest a graph-based topic analysis approach building on top of Latent Dirichlet Allocation, as well as a new glyph design for plotting categorical data on a map, which can be used to compare news topics.
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ROHRDANTZ, Christian, Milos KRSTAJIC, Mennatallah EL-ASSADY, Daniel A. KEIM, 2012. What’s Going On? How Twitter and Online News Can Work in Synergy to Increase Situational AwarenessBibTex
@inproceedings{Rohrdantz2012Whats-22564,
year={2012},
title={What’s Going On? How Twitter and Online News Can Work in Synergy to Increase Situational Awareness},
author={Rohrdantz, Christian and Krstajic, Milos and El-Assady, Mennatallah and Keim, Daniel A.},
note={Published at the 2nd IEEE Workshop on Interactive Visual Text Analytics ”Task-Driven Analysis of Social Media” as part of the IEEE VisWeek 2012, October 15th, 2012, Seattle, Washington, USA, 2012.}
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<dcterms:abstract xml:lang="eng">Recent studies have shown that micro-blogging services such as Twitter can outperform online news aggregators in reaction time to breaking events. On the other hand, disadvantages of Twitter, such as low signal-to-noise ratio, inaccuracy of geographical data, and lack of in-depth analysis prevent it from becoming a reliable news source. In this paper, we investigate how the different information sources Twitter and online news can be integrated to gain a better understanding of current incidents for emergency response management. Our initial results suggest that the combination enables both a quick event detection and a long-term tracking of the topical and geo-spatial implications of an event. To achieve situational awareness we suggest a graph-based topic analysis approach building on top of Latent Dirichlet Allocation, as well as a new glyph design for plotting categorical data on a map, which can be used to compare news topics.</dcterms:abstract>
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Published at the 2nd IEEE Workshop on Interactive Visual Text Analytics ”Task-Driven Analysis of Social Media” as part of the IEEE VisWeek 2012, October 15th, 2012, Seattle, Washington, USA, 2012.
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