NDLI: CarSenToGram: geovisual text analytics for exploring spatiotemporal variation in public discourse on Twitter

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CarSenToGram: geovisual text analytics for exploring spatiotemporal variation in public discourse on Twitter

Content Provider	Semantic Scholar
Author	Koylu, Caglar Larson, Ryan P. Dietrich, Bryce Jensen Lee, Kang-Pyo
Copyright Year	2019
Abstract	ABSTRACTAssessing the impact of events on the evolution of online public discourse is challenging due to the lack of data prior to the event and appropriate methodologies for capturing the progression of tenor of public discourse, both in terms of their tone and topic. In this article, we introduce a geovisual analytics framework, CarSenToGram, which integrates topic modeling and sentiment analysis with cartograms to identify the changing dynamics of public discourse on a particular topic across space and time. The main novelty of CarSenToGram is coupling comprehensible spatiotemporal overviews of the overall distribution, topical and sentiment patterns with increasing levels of information supported by zoom and filter, and details-on-demand interactions. To demonstrate the utility of CarSenToGram, in this article, we analyze tweets related to immigration the month before and after the 27 January 2017 travel ban in order to reveal insights into one of the defining moments of President Trump’s first year i...
Starting Page	57
Ending Page	71
Page Count	15
File Format	PDF HTM / HTML
DOI	10.1080/15230406.2018.1510343
Alternate Webpage(s)	http://www.brycejdietrich.com/files/papers/Dietrich_travel_ban_twitter.pdf
Alternate Webpage(s)	https://geo-social.com/sites/all/files/Koylu_et_al_CaGIS_2018_R2.pdf
Alternate Webpage(s)	https://doi.org/10.1080/15230406.2018.1510343
Volume Number	46
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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