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ISPRS Int. J. Geo-Inf. 2019, 8(3), 113; https://doi.org/10.3390/ijgi8030113

Analyzing and Visualizing Emotional Reactions Expressed by Emojis in Location-Based Social Media

Institute of Cartography, TU Dresden, Dresden 01069, Saxony, Germany
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Received: 29 November 2018 / Revised: 12 February 2019 / Accepted: 24 February 2019 / Published: 28 February 2019
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Abstract

Social media platforms such as Twitter are extensively used for expressing and exchanging thoughts, opinions, ideas, and feelings, i.e., reactions concerning a topic or an event. Factual information about an event to which people are reacting can be obtained from different types of (geo-)sensors, official authorities, or the public press. However, these sources hardly reveal the emotional or attitudinal impact of events on people, which is, for example, reflected in their reactions on social media. Two approaches that utilize emojis are proposed to obtain the sentiment and emotions contained in social media reactions. Subsequently, these two approaches, along with visualizations that focus on space, time, and topic, are applied to Twitter reactions in the example case of Brexit. View Full-Text
Keywords: location-based social media; reactions; emotions; sentiment analysis; Twitter location-based social media; reactions; emotions; sentiment analysis; Twitter
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Hauthal, E.; Burghardt, D.; Dunkel, A. Analyzing and Visualizing Emotional Reactions Expressed by Emojis in Location-Based Social Media. ISPRS Int. J. Geo-Inf. 2019, 8, 113.

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