Int. J. Environ. Res. Public Health 2020, 17, 1062 20 of 22
58. Yang, L.; Sun, T.; Zhang, M.; Mei, Q. We know what@ you# tag: Does the dual role aﬀect hashtag adoption?
In Proceedings of the 21st international conference on World Wide Web, Lyon, France, 16–20 April 2012;
pp. 261–270.
59. Weller, K.; Dröge, E.; Puschmann, C. Citation Analysis in Twitter: Approaches for Deﬁning and Measuring
Information Flows within Tweets during Scientiﬁc Conferences. In Proceedings of the Making Sense of
Microposts 2011, Heraklion, Greece, 30 May 2011; pp. 1–12.
60. Meraz, S. Hashtag wars and networked framing: The private/public networked protest repertoires of occupy
on twitter. In Between the Public and Private in Mobile Communication ; Routledge: Abingdon, UK, 2017;
pp. 303–323.
61. Meraz, S.; Papacharissi, Z. Networked gatekeeping and networked framing on# Egypt. Int. J. Press. 2013, 18,
138–166.
62. Papacharissi, Z.; de Fatima Oliveira, M. A ﬀective news and networked publics: The rhythms of news
storytelling on# Egypt. J. Commun. 2012, 62, 266–282.
63. Wang, X.; Wei, F.; Liu, X.; Zhou, M.; Zhang, M. Topic sentiment analysis in twitter: A graph-based hashtag
sentiment classiﬁcation approach. In Proceedings of the 20th ACM International Conference on Information
and Knowledge Management, Scotland, UK, 24–28 October 2011; pp. 1031–1040.
64. Laniado, D.; Mika, P . Making sense of twitter. In Proceedings of the International Semantic Web Conference
2010, Shanghai, China, 7–11 November 2010; pp. 470–485.
65. González-Ibánez, R.; Muresan, S.; Wacholder, N. Identifying sarcasm in Twitter: A closer look. In Proceedings
of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies:
Short Papers—Volume 2, Portland, OR, USA, 19–24 June 2011; pp. 581–586.
66. Conover, M.D.; Ratkiewicz, J.; Francisco, M.; Gonçalves, B.; Menczer, F.; Flammini, A. Political polarization on
twitter. In Proceedings of the Fifth International AAAI Conference on Weblogs and Social Media, Barcelona,
Spain, 17–21 July 2011.
67. Kitzie, V .; Ghosh, D. # Criming and# Alive: Network and content analysis of two sides of a story on twitter.
In Proceedings of the 78th ASIS&T Annual Meeting: Information Science with Impact: Research in and for
the Community, St. Louis, MO, USA, 6–10 October; 2015; p. 41.
68. Burgess, J.; Galloway, A.; Sauter, T. Hashtag as hybrid forum: The case of# agchatoz. In Hashtag Publics.
The Power and Politics of Discursive Networks; Peter Lang: New York, NY, USA, 2015; pp. 61–76.
69. Rushkoﬀ, D. 17. Permanent revolution: Occupying democracy. In The Playful Citizen; Amsterdam University
Press: Amsterdam, The Netherlands, 2013; p. 335.
70. Grundberg, M.D.; Lindgren, S. Translocal frame extensions in a networked protest: Situating the# IdleNoMore
hashtag. IC Rev. Cientíﬁca De Inf. Y Comun. 2015, 11, 49–57.
71. Bruns, A.; Burgess, J.E. # ausvotes: How Twitter covered the 2010 Australian federal election. Commun.
Politics Cult. 2011, 44, 37–56.
72. Pearce, W.; Holmberg, K.; Hellsten, I.; Nerlich, B. Climate change on Twitter: Topics, communities and
conversations about the 2013 IPCC Working Group 1 report. PLoS ONE 2014, 9, e94785. [CrossRef]
73. Zhao, W.X.; Jiang, J.; Weng, J.; He, J.; Lim, E.P .; Yan, H.; Li, X. Comparing twitter and traditional media using
topic models. In Proceedings of the European Conference on Information Retrieval, Dublin, Ireland, 18–21
April 2011; pp. 338–349.
74. Doctor, V . Hashtag History: When and What Started It? Available online: https://www.hashtags.org/featured/
hashtag-history-when-and-what-started-it / (accessed on 16 January 2020).
75. Newman, T.P . Tracking the release of IPCC AR5 on Twitter: Users, comments, and sources following the
release of the Working Group I Summary for Policymakers. Public Underst. Sci. 2017, 26, 815–825. [CrossRef]
76. Segerberg, A.; Bennett, W.L. Social media and the organization of collective action: Using Twitter to explore