TweetsCOV19 – A Knowledge Base of Semantically Annotated Tweets about the COVID-19 Pandemic. Dimitrov, D., Baran, E., Fafalios, P., Yu, R., Zhu, X., Zloch, M., & Dietze, S. In Proceedings of the 29th ACM International Conference on Information & Knowledge Management, pages 2991–2998, October, 2020. arXiv:2006.14492 [cs]
TweetsCOV19 – A Knowledge Base of Semantically Annotated Tweets about the COVID-19 Pandemic [link]Paper  doi  abstract   bibtex   
Publicly available social media archives facilitate research in the social sciences and provide corpora for training and testing a wide range of machine learning and natural language processing methods. With respect to the recent outbreak of the Coronavirus disease 2019 (COVID-19), online discourse on Twitter reflects public opinion and perception related to the pandemic itself as well as mitigating measures and their societal impact. Understanding such discourse, its evolution, and interdependencies with real-world events or (mis)information can foster valuable insights. On the other hand, such corpora are crucial facilitators for computational methods addressing tasks such as sentiment analysis, event detection, or entity recognition. However, obtaining, archiving, and semantically annotating large amounts of tweets is costly. In this paper, we describe TweetsCOV19, a publicly available knowledge base of currently more than 8 million tweets, spanning October 2019 - April 2020. Metadata about the tweets as well as extracted entities, hashtags, user mentions, sentiments, and URLs are exposed using established RDF/S vocabularies, providing an unprecedented knowledge base for a range of knowledge discovery tasks. Next to a description of the dataset and its extraction and annotation process, we present an initial analysis and use cases of the corpus.
@inproceedings{dimitrov_tweetscov19_2020,
	title = {{TweetsCOV19} -- {A} {Knowledge} {Base} of {Semantically} {Annotated} {Tweets} about the {COVID}-19 {Pandemic}},
	url = {http://arxiv.org/abs/2006.14492},
	doi = {10.1145/3340531.3412765},
	abstract = {Publicly available social media archives facilitate research in the social sciences and provide corpora for training and testing a wide range of machine learning and natural language processing methods. With respect to the recent outbreak of the Coronavirus disease 2019 (COVID-19), online discourse on Twitter reflects public opinion and perception related to the pandemic itself as well as mitigating measures and their societal impact. Understanding such discourse, its evolution, and interdependencies with real-world events or (mis)information can foster valuable insights. On the other hand, such corpora are crucial facilitators for computational methods addressing tasks such as sentiment analysis, event detection, or entity recognition. However, obtaining, archiving, and semantically annotating large amounts of tweets is costly. In this paper, we describe TweetsCOV19, a publicly available knowledge base of currently more than 8 million tweets, spanning October 2019 - April 2020. Metadata about the tweets as well as extracted entities, hashtags, user mentions, sentiments, and URLs are exposed using established RDF/S vocabularies, providing an unprecedented knowledge base for a range of knowledge discovery tasks. Next to a description of the dataset and its extraction and annotation process, we present an initial analysis and use cases of the corpus.},
	urldate = {2024-03-04},
	booktitle = {Proceedings of the 29th {ACM} {International} {Conference} on {Information} \& {Knowledge} {Management}},
	author = {Dimitrov, Dimitar and Baran, Erdal and Fafalios, Pavlos and Yu, Ran and Zhu, Xiaofei and Zloch, Matthäus and Dietze, Stefan},
	month = oct,
	year = {2020},
	note = {arXiv:2006.14492 [cs]},
	keywords = {Computer Science - Information Retrieval, Computer Science - Social and Information Networks},
	pages = {2991--2998},
}

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