{"id":"https://openalex.org/W3210846363","doi":"https://doi.org/10.1109/isse51541.2021.9582473","title":"An English-Japanese Twitter-Based Analysis of Disaster Sentiment during Typhoons and Earthquakes","display_name":"An English-Japanese Twitter-Based Analysis of Disaster Sentiment during Typhoons and Earthquakes","publication_year":2021,"publication_date":"2021-09-13","ids":{"openalex":"https://openalex.org/W3210846363","doi":"https://doi.org/10.1109/isse51541.2021.9582473","mag":"3210846363"},"language":"en","primary_location":{"id":"doi:10.1109/isse51541.2021.9582473","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isse51541.2021.9582473","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Symposium on Systems Engineering (ISSE)","raw_type":"proceedings-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/A5064787640","display_name":"Bernadette Joy Detera","orcid":"https://orcid.org/0009-0000-6402-1650"},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Bernadette Joy Detera","raw_affiliation_strings":["Graduate School of System Design and Management, Keio University, Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of System Design and Management, Keio University, Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015997131","display_name":"Akira Kodaka","orcid":"https://orcid.org/0000-0002-5689-7772"},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akira Kodaka","raw_affiliation_strings":["Graduate School of System Design and Management, Keio University, Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of System Design and Management, Keio University, Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041833965","display_name":"Naohiko Kohtake","orcid":"https://orcid.org/0000-0003-3168-9632"},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Naohiko Kohtake","raw_affiliation_strings":["Graduate School of System Design and Management, Keio University, Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of System Design and Management, Keio University, Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089728818","display_name":"Akihiko Nishino","orcid":"https://orcid.org/0000-0001-9846-2518"},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akihiko Nishino","raw_affiliation_strings":["Graduate School of System Design and Management, Keio University, Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of System Design and Management, Keio University, Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046214308","display_name":"Kaya Onda","orcid":"https://orcid.org/0000-0001-6536-9288"},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kaya Onda","raw_affiliation_strings":["Graduate School of System Design and Management, Keio University, Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of System Design and Management, Keio University, Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5064787640"],"corresponding_institution_ids":["https://openalex.org/I203951103"],"apc_list":null,"apc_paid":null,"fwci":0.9165,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.80549182,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11121","display_name":"Public Relations and Crisis Communication","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/3315","display_name":"Communication"},"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/T11121","display_name":"Public Relations and Crisis Communication","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/3315","display_name":"Communication"},"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":0.9968000054359436,"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/T10747","display_name":"Disaster Management and Resilience","score":0.9796000123023987,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/sentiment-analysis","display_name":"Sentiment analysis","score":0.7871385812759399},{"id":"https://openalex.org/keywords/typhoon","display_name":"Typhoon","score":0.6984959840774536},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6584020256996155},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.639522135257721},{"id":"https://openalex.org/keywords/microblogging","display_name":"Microblogging","score":0.5743085145950317},{"id":"https://openalex.org/keywords/situation-awareness","display_name":"Situation awareness","score":0.5281298756599426},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.5116794109344482},{"id":"https://openalex.org/keywords/natural-disaster","display_name":"Natural disaster","score":0.4822483956813812},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.47277286648750305},{"id":"https://openalex.org/keywords/emergency-management","display_name":"Emergency management","score":0.44801706075668335},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.41111642122268677},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.39748314023017883},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.3837892711162567},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1975213885307312},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.18745481967926025},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1301458775997162},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.10245633125305176}],"concepts":[{"id":"https://openalex.org/C66402592","wikidata":"https://www.wikidata.org/wiki/Q2271421","display_name":"Sentiment analysis","level":2,"score":0.7871385812759399},{"id":"https://openalex.org/C181654704","wikidata":"https://www.wikidata.org/wiki/Q140588","display_name":"Typhoon","level":2,"score":0.6984959840774536},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6584020256996155},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.639522135257721},{"id":"https://openalex.org/C143275388","wikidata":"https://www.wikidata.org/wiki/Q92438","display_name":"Microblogging","level":3,"score":0.5743085145950317},{"id":"https://openalex.org/C145804949","wikidata":"https://www.wikidata.org/wiki/Q478123","display_name":"Situation awareness","level":2,"score":0.5281298756599426},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.5116794109344482},{"id":"https://openalex.org/C166566181","wikidata":"https://www.wikidata.org/wiki/Q8065","display_name":"Natural disaster","level":2,"score":0.4822483956813812},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.47277286648750305},{"id":"https://openalex.org/C62555980","wikidata":"https://www.wikidata.org/wiki/Q1460420","display_name":"Emergency management","level":2,"score":0.44801706075668335},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41111642122268677},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.39748314023017883},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.3837892711162567},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1975213885307312},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.18745481967926025},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1301458775997162},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.10245633125305176},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isse51541.2021.9582473","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isse51541.2021.9582473","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Symposium on Systems Engineering (ISSE)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7200000286102295,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W1678356000","https://openalex.org/W1756216167","https://openalex.org/W2012335233","https://openalex.org/W2099633070","https://openalex.org/W2099813784","https://openalex.org/W2101196063","https://openalex.org/W2168505588","https://openalex.org/W2170756173","https://openalex.org/W2227904035","https://openalex.org/W2295598076","https://openalex.org/W2298989130","https://openalex.org/W2471350540","https://openalex.org/W2522275442","https://openalex.org/W2561761609","https://openalex.org/W2584335650","https://openalex.org/W2769803003","https://openalex.org/W2770966167","https://openalex.org/W2782992395","https://openalex.org/W2783669729","https://openalex.org/W2791409472","https://openalex.org/W2792916349","https://openalex.org/W2798555663","https://openalex.org/W2803201508","https://openalex.org/W2803454059","https://openalex.org/W3092158762","https://openalex.org/W3094115012","https://openalex.org/W3099698449","https://openalex.org/W3102476541","https://openalex.org/W3139172628","https://openalex.org/W3154732879","https://openalex.org/W4244442216","https://openalex.org/W6747343822","https://openalex.org/W6941159677"],"related_works":["https://openalex.org/W2322294131","https://openalex.org/W4377023816","https://openalex.org/W2381913349","https://openalex.org/W3125308484","https://openalex.org/W4392617234","https://openalex.org/W2368202014","https://openalex.org/W2044728225","https://openalex.org/W2001663785","https://openalex.org/W1526491517","https://openalex.org/W1540611520"],"abstract_inverted_index":{"Having":[0],"proper":[1],"situational":[2],"awareness":[3],"during":[4,19,59,83,147],"disaster":[5,106,161,241,257],"situations":[6],"is":[7,21,157,217],"crucial":[8],"in":[9,23,46,70,81,108,249,256],"planning":[10],"and":[11,17,33,42,61,79,88,110,123,136,140,169,186,234],"mitigation.":[12],"Knowing":[13],"people's":[14],"perception,":[15],"needs":[16],"behavior":[18],"disasters":[20,41],"critical":[22],"developing":[24],"the":[25,72,76,91,102,105,250],"right":[26],"management":[27],"strategies.":[28],"However,":[29],"cities":[30],"with":[31,51],"multilingual":[32],"diverse":[34],"international":[35],"populations":[36],"may":[37],"react":[38],"differently":[39],"to":[40,125,142,174,232,237],"gaps":[43],"still":[44],"exist":[45],"understanding":[47],"this":[48,64,226],"issue.":[49],"Microblogging":[50],"social":[52],"media":[53],"has":[54],"become":[55],"a":[56,68,166,198],"prevalent":[57],"tool":[58],"emergencies":[60],"disasters.":[62,152,176],"In":[63],"paper,":[65],"we":[66,96,114,178,209],"present":[67],"method":[69],"analyzing":[71],"sentiment":[73,130,143,191,201,213],"of":[74,86,93,104,145,150,190,206,214],"both":[75,107,215],"local":[77],"residents":[78],"foreigners":[80,203,248],"Tokyo":[82],"case":[84],"studies":[85],"earthquake":[87,235],"typhoon.":[89],"Through":[90],"use":[92],"Twitter":[94],"data,":[95],"retrieve":[97],"individual":[98],"tweets":[99,146],"specifically":[100,159],"on":[101,160],"onset":[103],"Japanese":[109,196],"English.":[111],"After":[112],"preprocessing,":[113],"develop":[115],"Machine":[116,122],"Learning":[117],"algorithms":[118],"using":[119,225],"Support":[120],"Vector":[121],"XGBoost":[124],"classify":[126],"tweet":[127],"sentiment.":[128],"The":[129],"analysis":[131,185,189],"models":[132],"obtain":[133],"fair":[134],"accuracy":[135],"could":[137,164,228,253],"be":[138,254],"scaled":[139],"applied":[141,173],"classification":[144],"other":[148],"types":[149],"natural":[151],"Moreover,":[153],"since":[154],"our":[155],"model":[156],"trained":[158],"tweets,":[162],"it":[163],"yield":[165],"more":[167,199],"accurate":[168],"contextual":[170],"result":[171],"when":[172],"future":[175],"Furthermore,":[177],"analyzed":[179],"information":[180,242],"through":[181],"Word":[182],"Cloud,":[183],"keyword":[184],"time":[187],"series":[188],"polarity.":[192],"We":[193],"deduce":[194],"that":[195,211],"show":[197],"positive":[200],"than":[202,221],"at":[204],"times":[205],"disaster.":[207],"Additionally,":[208],"observe":[210],"negative":[212],"groups":[216],"lower":[218],"for":[219,240],"typhoons":[220],"earthquakes":[222],"overall.":[223],"Lastly,":[224],"methodology":[227],"provide":[229],"insights":[230],"specific":[231],"typhoon":[233],"contexts":[236],"elicit":[238],"requirements":[239],"or":[243],"warning":[244],"systems":[245],"catered":[246],"towards":[247],"area":[251],"which":[252],"used":[255],"management.":[258]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}