{"id":"https://openalex.org/W2343307093","doi":"https://doi.org/10.1177/0165551515608733","title":"Topic-based content and sentiment analysis of Ebola virus on Twitter and in the news","display_name":"Topic-based content and sentiment analysis of Ebola virus on Twitter and in the news","publication_year":2015,"publication_date":"2015-10-06","ids":{"openalex":"https://openalex.org/W2343307093","doi":"https://doi.org/10.1177/0165551515608733","mag":"2343307093"},"language":"en","primary_location":{"id":"doi:10.1177/0165551515608733","is_oa":false,"landing_page_url":"https://doi.org/10.1177/0165551515608733","pdf_url":null,"source":{"id":"https://openalex.org/S68913162","display_name":"Journal of Information Science","issn_l":"0165-5515","issn":["0165-5515","1741-6485"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Information Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000803938","display_name":"Hea-Jin Kim","orcid":"https://orcid.org/0000-0002-9498-7912"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Erin Hea-Jin Kim","raw_affiliation_strings":["Yonsei University, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Yonsei University, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029511687","display_name":"Yoo Kyung Jeong","orcid":"https://orcid.org/0000-0002-6571-6478"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yoo Kyung Jeong","raw_affiliation_strings":["Yonsei University, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Yonsei University, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101854995","display_name":"Y. Kim","orcid":"https://orcid.org/0000-0003-2309-8058"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yuyoung Kim","raw_affiliation_strings":["Yonsei University, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Yonsei University, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113170607","display_name":"Keun Young Kang","orcid":null},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Keun Young Kang","raw_affiliation_strings":["Yonsei University, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Yonsei University, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045749444","display_name":"Min Song","orcid":"https://orcid.org/0000-0003-3255-1600"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Min Song","raw_affiliation_strings":["Yonsei University, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Yonsei University, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5045749444"],"corresponding_institution_ids":["https://openalex.org/I193775966"],"apc_list":null,"apc_paid":null,"fwci":14.3449,"has_fulltext":false,"cited_by_count":142,"citation_normalized_percentile":{"value":0.98483536,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"42","issue":"6","first_page":"763","last_page":"781"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11147","display_name":"Misinformation and Its Impacts","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11147","display_name":"Misinformation and Its Impacts","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.9909999966621399,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7361363172531128},{"id":"https://openalex.org/keywords/sentiment-analysis","display_name":"Sentiment analysis","score":0.6515495181083679},{"id":"https://openalex.org/keywords/vocabulary","display_name":"Vocabulary","score":0.47205597162246704},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.45729032158851624},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.4405863285064697},{"id":"https://openalex.org/keywords/news-media","display_name":"News media","score":0.43750593066215515},{"id":"https://openalex.org/keywords/event","display_name":"Event (particle physics)","score":0.4338734745979309},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.42285558581352234},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.30906689167022705},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.18496322631835938},{"id":"https://openalex.org/keywords/advertising","display_name":"Advertising","score":0.15317422151565552},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.07762372493743896}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7361363172531128},{"id":"https://openalex.org/C66402592","wikidata":"https://www.wikidata.org/wiki/Q2271421","display_name":"Sentiment analysis","level":2,"score":0.6515495181083679},{"id":"https://openalex.org/C2777601683","wikidata":"https://www.wikidata.org/wiki/Q6499736","display_name":"Vocabulary","level":2,"score":0.47205597162246704},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.45729032158851624},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.4405863285064697},{"id":"https://openalex.org/C529147693","wikidata":"https://www.wikidata.org/wiki/Q1193236","display_name":"News media","level":2,"score":0.43750593066215515},{"id":"https://openalex.org/C2779662365","wikidata":"https://www.wikidata.org/wiki/Q5416694","display_name":"Event (particle physics)","level":2,"score":0.4338734745979309},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.42285558581352234},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.30906689167022705},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.18496322631835938},{"id":"https://openalex.org/C112698675","wikidata":"https://www.wikidata.org/wiki/Q37038","display_name":"Advertising","level":1,"score":0.15317422151565552},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.07762372493743896},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1177/0165551515608733","is_oa":false,"landing_page_url":"https://doi.org/10.1177/0165551515608733","pdf_url":null,"source":{"id":"https://openalex.org/S68913162","display_name":"Journal of Information Science","issn_l":"0165-5515","issn":["0165-5515","1741-6485"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Information Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":51,"referenced_works":["https://openalex.org/W39393264","https://openalex.org/W48792927","https://openalex.org/W89811649","https://openalex.org/W159230833","https://openalex.org/W1473718842","https://openalex.org/W1505790831","https://openalex.org/W1549869922","https://openalex.org/W1593271688","https://openalex.org/W1595459570","https://openalex.org/W1614151208","https://openalex.org/W1752454494","https://openalex.org/W1814023381","https://openalex.org/W1841433433","https://openalex.org/W1880262756","https://openalex.org/W1982263504","https://openalex.org/W1986029266","https://openalex.org/W2002567428","https://openalex.org/W2003867488","https://openalex.org/W2004214228","https://openalex.org/W2005311637","https://openalex.org/W2022204871","https://openalex.org/W2025330985","https://openalex.org/W2046624828","https://openalex.org/W2063904635","https://openalex.org/W2079234336","https://openalex.org/W2084046180","https://openalex.org/W2094043862","https://openalex.org/W2101196063","https://openalex.org/W2108765529","https://openalex.org/W2112422413","https://openalex.org/W2114524997","https://openalex.org/W2123442489","https://openalex.org/W2124156373","https://openalex.org/W2127267264","https://openalex.org/W2133952599","https://openalex.org/W2137958601","https://openalex.org/W2146341589","https://openalex.org/W2147674242","https://openalex.org/W2155328222","https://openalex.org/W2160660844","https://openalex.org/W2168332560","https://openalex.org/W2170798317","https://openalex.org/W2171121044","https://openalex.org/W2398936787","https://openalex.org/W2550419310","https://openalex.org/W2608050011","https://openalex.org/W2912218307","https://openalex.org/W3123091093","https://openalex.org/W3146306708","https://openalex.org/W4239946314","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2548633793","https://openalex.org/W3013279174","https://openalex.org/W2941935829","https://openalex.org/W2596247554","https://openalex.org/W3132372214","https://openalex.org/W4224284088","https://openalex.org/W4286571989","https://openalex.org/W2765903680","https://openalex.org/W4317653575","https://openalex.org/W2801635251"],"abstract_inverted_index":{"The":[0,88],"present":[1],"study":[2],"investigates":[3],"topic":[4,44,92],"coverage":[5,93,176],"and":[6,15,28,51,54,80,98,115,123,145,164,177],"sentiment":[7,29,61,110,118,178],"dynamics":[8],"of":[9,23,59,94,103,109,117,162,174],"two":[10,168],"different":[11,78],"media":[12,166],"sources,":[13],"Twitter":[14,85,95,120,148,163],"news":[16,74,105,134,165,170],"publications,":[17],"on":[18,119,138,154,159],"the":[19,41,57,64,84,104,112,127,155,160],"hot":[20],"health":[21],"issue":[22],"Ebola.":[24],"We":[25],"conduct":[26],"content":[27,175],"analysis":[30],"by:":[31],"(1)":[32],"applying":[33],"vocabulary":[34],"control":[35],"to":[36],"collected":[37,72],"datasets;":[38],"(2)":[39],"employing":[40],"n-gram":[42],"LDA":[43],"modeling":[45],"technique;":[46],"(3)":[47],"adopting":[48],"entity":[49,52],"extraction":[50],"network;":[53],"(4)":[55],"introducing":[56],"concept":[58],"topic-based":[60],"scores.":[62],"With":[63],"query":[65],"term":[66],"\u2018Ebola\u2019":[67],"or":[68],"\u2018Ebola":[69],"virus\u2019,":[70],"we":[71,131,157],"16,189":[73],"articles":[75,135],"from":[76],"1006":[77],"publications":[79],"7,106,297":[81],"tweets":[82],"with":[83],"stream":[86],"API.":[87],"experiments":[89],"indicate":[90],"that":[91,102,133],"is":[96,121],"narrower":[97],"more":[99,137,150],"blurry":[100],"than":[101,125],"media.":[106],"In":[107,129],"terms":[108,173],"dynamics,":[111],"life":[113],"span":[114],"variance":[116],"shorter":[122],"smaller":[124],"in":[126,172],"news.":[128],"addition,":[130],"observe":[132],"focus":[136],"event-related":[139],"entities":[140],"such":[141],"as":[142,167],"person,":[143],"organization":[144],"location,":[146],"whereas":[147],"covers":[149],"time-oriented":[151],"entities.":[152],"Based":[153],"results,":[156],"report":[158],"characteristics":[161],"distinct":[169],"outlets":[171],"dynamics.":[179]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":14},{"year":2022,"cited_by_count":29},{"year":2021,"cited_by_count":33},{"year":2020,"cited_by_count":26},{"year":2019,"cited_by_count":11},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}