{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T07:30:23Z","timestamp":1740123023151,"version":"3.37.3"},"reference-count":31,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[2022,1,16]],"date-time":"2022-01-16T00:00:00Z","timestamp":1642291200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2022,1,16]],"date-time":"2022-01-16T00:00:00Z","timestamp":1642291200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"funder":[{"DOI":"10.13039\/501100004663","name":"ministry of science and technology, taiwan","doi-asserted-by":"publisher","award":["108-2410-H-005 -008"],"award-info":[{"award-number":["108-2410-H-005 -008"]}],"id":[{"id":"10.13039\/501100004663","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Scientometrics"],"published-print":{"date-parts":[[2022,3]]},"DOI":"10.1007\/s11192-021-04243-z","type":"journal-article","created":{"date-parts":[[2022,1,16]],"date-time":"2022-01-16T09:02:30Z","timestamp":1642323750000},"page":"1643-1655","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Trump\u2019s COVID-19 tweets and Dr. Fauci\u2019s emails"],"prefix":"10.1007","volume":"127","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7782-0865","authenticated-orcid":false,"given":"David E.","family":"Allen","sequence":"first","affiliation":[]},{"given":"Michael","family":"McAleer","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2022,1,16]]},"reference":[{"key":"4243_CR1","doi-asserted-by":"crossref","unstructured":"Allen, D. E., McAleer, M., Singh A. K. (2015). Machine news and volatility: The dow jones industrial average and the TRNA real-time high frequency sentiment series, chapter 19. In G. N. Gregoriou Handbook of high frequency trading. Elsevier, Academic Press.","DOI":"10.1016\/B978-0-12-802205-4.00019-1"},{"key":"4243_CR2","doi-asserted-by":"publisher","first-page":"677","DOI":"10.1080\/00036846.2016.1203067","volume":"49","author":"DE Allen","year":"2017","unstructured":"Allen, D. E., McAleer, M., & Singh, A. K. (2017). An entropy-based analysis of the relationship between the DOW JONES index and the TRNA sentiment series. Applied Economics, 49, 677\u2013692.","journal-title":"Applied Economics"},{"issue":"1","key":"4243_CR3","first-page":"625","volume":"117","author":"DE Allen","year":"2018","unstructured":"Allen, D. E., & McAleer, M. (2018). Fake news and indifference to scientific fact: President trump\u2019s confused tweets on global warming. Climate Change and Weather, Scientometrics, 117(1), 625\u2013629.","journal-title":"Climate Change and Weather, Scientometrics"},{"issue":"(7,2310)","key":"4243_CR4","first-page":"1","volume":"10","author":"DE Allen","year":"2018","unstructured":"Allen, D. E., & McAleer, M. (2018). President Trump tweets supreme leader Kim Jong-Un on nuclear weapons: A comparison with climate change. Sustainability, 10(7,2310), 1\u20136.","journal-title":"Sustainability"},{"key":"4243_CR5","doi-asserted-by":"crossref","unstructured":"Allen, D. E., & McAleer, M. (2019a) Fake news and propaganda: Trump\u2019s Democratic America and Hitler\u2019s National Socialist (Nazi) Germany. Sustainability, 11(19), 5181.","DOI":"10.3390\/su11195181"},{"key":"4243_CR6","doi-asserted-by":"crossref","unstructured":"Allen, D. E., McAleer, M. J. (2019b). Fake news and propaganda: Trump\u2019s Democratic America and Hitler\u2019s National Socialist (Nazi) Germany (No. EI2019-17). Econometric Institute Research Papers. Retrieved from http:\/\/hdl.handle.net\/1765\/115615","DOI":"10.2139\/ssrn.3354269"},{"key":"4243_CR7","doi-asserted-by":"crossref","unstructured":"Allen, D. E., Mcaleer, M., Reid, D. M. (2018). Fake news and indifference to truth: Dissecting tweets and state of the union addresses by presidents Obama and Trump. Advances in Decision Sciences, 22(A), 1\u201323.","DOI":"10.47654\/v22y2018i1p180-203"},{"issue":"2","key":"4243_CR8","doi-asserted-by":"publisher","first-page":"785","DOI":"10.1093\/rfs\/hhm079","volume":"21","author":"BM Barber","year":"2008","unstructured":"Barber, B. M., & Odean, T. (2008). All that glitters: The effect of attention and news on the buying behaviour of individual and institutional investors. Review of Financial Studies, 21(2), 785\u2013818.","journal-title":"Review of Financial Studies"},{"key":"4243_CR9","unstructured":"Cahan, R., Jussa, J., Luo Y.(2009). Breaking news: How to use news sentiment to pick stocks, MacQuarie US Research Report."},{"issue":"5","key":"4243_CR10","doi-asserted-by":"publisher","first-page":"1461","DOI":"10.1111\/j.1540-6261.2011.01679.x","volume":"66","author":"ZHI Da","year":"2011","unstructured":"Da, Z. H. I., Engelberg, J., & Gao, P. (2011). In search of attention. Journal of Finance, 66(5), 1461\u20131499.","journal-title":"Journal of Finance"},{"key":"4243_CR11","doi-asserted-by":"crossref","unstructured":"diBartolomeo, D., Warrick S. (2005). Making covariance based portfolio risk models sensitive to the rate at which markets react to new information. In J. Knight and S. Satchell. (Eds.), Linear factor models, Elsevier Finance.","DOI":"10.1016\/B978-075066006-8.50013-6"},{"key":"4243_CR12","doi-asserted-by":"crossref","unstructured":"Dzielinski, M., Rieger, M. O., & Talpsepp, T. (2011). volatility asymmetry, news, and private investors. Handbook of news analytics in finance (pp. 255\u2013270). Wiley.","DOI":"10.1002\/9781118467411.ch11"},{"key":"4243_CR13","unstructured":"Eder, M., Melcer, T. (2016). Textmining: Integration of text mining and topic modeling packages. R package version 0.0.1. https:\/\/CRAN.R-project.org\/package=textmining"},{"key":"4243_CR14","unstructured":"Gagolewski, M. et al. (2020). R package stringi: Character string processing facilities. http:\/\/www.gagolewski.com\/software\/stringi\/"},{"key":"4243_CR15","unstructured":"Gentry, J. (2015). twitteR: R based twitter client. R package version 1.1.9. https:\/\/CRAN.R-project.org\/package=twitteR"},{"key":"4243_CR16","doi-asserted-by":"publisher","DOI":"10.1128\/mBio.00359-12","author":"AS Fauci","year":"2012","unstructured":"Fauci, A. S. (2012). Research on highly pathogenic H5N1 influenza virus: The way forward. American Society for Microbiology. https:\/\/doi.org\/10.1128\/mBio.00359-12","journal-title":"American Society for Microbiology"},{"key":"4243_CR17","unstructured":"Feinerer, I. Hornik K. (2019), tm: Text mining package, R package version 0.7-7. https:\/\/CRAN.R-project.org\/package=tm"},{"key":"4243_CR19","unstructured":"Fellows, I. (2018), wordcloud, https:\/\/CRAN.R-project.org\/package=wordcloud"},{"key":"4243_CR20","doi-asserted-by":"publisher","first-page":"127","DOI":"10.1016\/j.eswa.2018.12.049","volume":"123","author":"V Ficcadenti","year":"2019","unstructured":"Ficcadenti, V., Cerqueti, R., & Ausloos, M. (2019). A joint text mining-rank size investigation of the rhetoric structures of the US presidents\u2019 speeches. Expert Systems with Applications, 123, 127\u2013142.","journal-title":"Expert Systems with Applications"},{"key":"4243_CR21","doi-asserted-by":"crossref","unstructured":"Hafez, P., Xie, J. (2012). Factoring sentiment risk into quant models, RavenPack International S.L.","DOI":"10.2139\/ssrn.2071142"},{"key":"4243_CR22","unstructured":"Jockers, M. L. (2015). Syuzhet: Extract sentiment and plot arcs from text. https:\/\/github.com\/mjockers\/syuzhet."},{"key":"4243_CR23","doi-asserted-by":"publisher","first-page":"171","DOI":"10.1016\/j.irfa.2014.02.006","volume":"33","author":"C Kearney","year":"2014","unstructured":"Kearney, C., & Lui, S. (2014). Textual sentiment in finance: A survey of methods and models. International Review of Financial Analysis, 33, 171\u2013185.","journal-title":"International Review of Financial Analysis"},{"issue":"4","key":"4243_CR24","doi-asserted-by":"publisher","first-page":"1187","DOI":"10.1111\/1475-679X.12123","volume":"54","author":"T Loughran","year":"2016","unstructured":"Loughran, T., & McDonald, B. (2016). Textual analysis in accounting and finance: A survey. Journal of Accounting Research, 54(4), 1187\u20131230.","journal-title":"Journal of Accounting Research"},{"key":"4243_CR25","unstructured":"Mandelbrot, B. (1965). Information theory and psycholinguistics, Chapter in. In B. B. Wolman (Ed.) Scientific psychology. Basic Books, New York."},{"issue":"8","key":"4243_CR27","doi-asserted-by":"publisher","first-page":"887","DOI":"10.1080\/14697680903448361","volume":"9","author":"L Mitra","year":"2009","unstructured":"Mitra, L., Mitra, G., & diBartolomeo, D. (2009). Equity portfolio risk (Volatility) estimation using market information and sentiment. Quantitative Finance, 9(8), 887\u2013895.","journal-title":"Quantitative Finance"},{"key":"4243_CR28","unstructured":"Propp, V. (1928). Morphology of the folk tale, English trans. Laurence Scott. TX: University of Texas Press (first published in Moscow in 1928)."},{"key":"4243_CR29","doi-asserted-by":"publisher","first-page":"623","DOI":"10.1002\/j.1538-7305.1948.tb00917.x","volume":"379\u2013423","author":"C Shannon","year":"1948","unstructured":"Shannon, C. (1948). A mathematical theory of communication. Bell System Technical Journal, 379\u2013423, 623\u2013656.","journal-title":"Bell System Technical Journal"},{"key":"4243_CR30","unstructured":"Shklovsky, V. (1917), Art as Technique. In L. T. Lemon, M. Reis (Eds.) (1965) Russian formalist criticism, University of Nebraska Press."},{"key":"4243_CR31","doi-asserted-by":"publisher","unstructured":"Silge, J, Robinson, D. (2016). Tidytext: Text mining and analysis using tidy data principles in R, _JOSS_, *1*(3). https:\/\/doi.org\/10.21105\/joss.00037","DOI":"10.21105\/joss.00037"},{"key":"4243_CR32","doi-asserted-by":"publisher","first-page":"1427","DOI":"10.1111\/j.1540-6261.2008.01362.x","volume":"63","author":"PC Tetlock","year":"2008","unstructured":"Tetlock, P. C., Macskassy, S. A., & Saar-Tsechansky, M. (2008). More than words: quantifying language to measure firms\u2019 fundamentals. Journal of Finance, 63, 1427\u20131467.","journal-title":"Journal of Finance"},{"key":"4243_CR33","doi-asserted-by":"publisher","DOI":"10.4159\/harvard.9780674434929","volume-title":"Selected studies of the principle of relative frequency in language","author":"GK Zipf","year":"1932","unstructured":"Zipf, G. K. (1932). Selected studies of the principle of relative frequency in language. Cambridge, Mass: Harvard University Press."}],"container-title":["Scientometrics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11192-021-04243-z.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s11192-021-04243-z\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11192-021-04243-z.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,11,15]],"date-time":"2023-11-15T21:59:27Z","timestamp":1700085567000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s11192-021-04243-z"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,1,16]]},"references-count":31,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2022,3]]}},"alternative-id":["4243"],"URL":"https:\/\/doi.org\/10.1007\/s11192-021-04243-z","relation":{},"ISSN":["0138-9130","1588-2861"],"issn-type":[{"type":"print","value":"0138-9130"},{"type":"electronic","value":"1588-2861"}],"subject":[],"published":{"date-parts":[[2022,1,16]]},"assertion":[{"value":"27 July 2021","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"12 December 2021","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"16 January 2022","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This article does not contain any studies with human participants performed by any of the authors.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"This content has been made available to all.","name":"free","label":"Free to read"}]}}