{"id":"https://openalex.org/W4283720957","doi":"https://doi.org/10.1145/3535511.3535548","title":"Identifying Xenophobia in Twitter Posts Using Support Vector Machine with TF/IDF Strategy","display_name":"Identifying Xenophobia in Twitter Posts Using Support Vector Machine with TF/IDF Strategy","publication_year":2022,"publication_date":"2022-05-16","ids":{"openalex":"https://openalex.org/W4283720957","doi":"https://doi.org/10.1145/3535511.3535548"},"language":"en","primary_location":{"id":"doi:10.1145/3535511.3535548","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3535511.3535548","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"XVIII Brazilian Symposium on Information Systems","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/A5008783140","display_name":"Alisson Rodrigo Santana dos Santos","orcid":null},"institutions":[{"id":"https://openalex.org/I71437568","display_name":"Universidade de Pernambuco","ror":"https://ror.org/00gtcbp88","country_code":"BR","type":"education","lineage":["https://openalex.org/I71437568"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Alisson Rodrigo Santana dos Santos","raw_affiliation_strings":["School, Pernambuco Polytechnic School, Brazil"],"affiliations":[{"raw_affiliation_string":"School, Pernambuco Polytechnic School, Brazil","institution_ids":["https://openalex.org/I71437568"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001878987","display_name":"Cleyton M\u00e1rio de Oliveira Rodrigues","orcid":"https://orcid.org/0000-0003-3816-656X"},"institutions":[{"id":"https://openalex.org/I71437568","display_name":"Universidade de Pernambuco","ror":"https://ror.org/00gtcbp88","country_code":"BR","type":"education","lineage":["https://openalex.org/I71437568"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Cleyton M\u00e1rio de Oliveira Rodrigues","raw_affiliation_strings":["School, Pernambuco Polytechnic School, Brazil"],"affiliations":[{"raw_affiliation_string":"School, Pernambuco Polytechnic School, Brazil","institution_ids":["https://openalex.org/I71437568"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074206863","display_name":"Henning Barly Summer de Melo","orcid":null},"institutions":[{"id":"https://openalex.org/I71437568","display_name":"Universidade de Pernambuco","ror":"https://ror.org/00gtcbp88","country_code":"BR","type":"education","lineage":["https://openalex.org/I71437568"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Henning Barly Summer de Melo","raw_affiliation_strings":["School, Pernambuco Polytechnic School, Brazil"],"affiliations":[{"raw_affiliation_string":"School, Pernambuco Polytechnic School, Brazil","institution_ids":["https://openalex.org/I71437568"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5008783140"],"corresponding_institution_ids":["https://openalex.org/I71437568"],"apc_list":null,"apc_paid":null,"fwci":0.606,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.71793818,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11644","display_name":"Spam and Phishing Detection","score":0.9750000238418579,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11644","display_name":"Spam and Phishing Detection","score":0.9750000238418579,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10400","display_name":"Network Security and Intrusion Detection","score":0.9147999882698059,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/xenophobia","display_name":"Xenophobia","score":0.9782903790473938},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.6525722742080688},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.6140161752700806},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5469428300857544},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5028273463249207},{"id":"https://openalex.org/keywords/hostility","display_name":"Hostility","score":0.48901328444480896},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4828101396560669},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.47129523754119873},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.3818015158176422},{"id":"https://openalex.org/keywords/social-psychology","display_name":"Social psychology","score":0.29616519808769226},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.2702646255493164},{"id":"https://openalex.org/keywords/immigration","display_name":"Immigration","score":0.2545815706253052},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.21331238746643066},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.20732158422470093},{"id":"https://openalex.org/keywords/law","display_name":"Law","score":0.13378190994262695}],"concepts":[{"id":"https://openalex.org/C2779692794","wikidata":"https://www.wikidata.org/wiki/Q166005","display_name":"Xenophobia","level":3,"score":0.9782903790473938},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.6525722742080688},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.6140161752700806},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5469428300857544},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5028273463249207},{"id":"https://openalex.org/C2781214261","wikidata":"https://www.wikidata.org/wiki/Q2729863","display_name":"Hostility","level":2,"score":0.48901328444480896},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4828101396560669},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.47129523754119873},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.3818015158176422},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.29616519808769226},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.2702646255493164},{"id":"https://openalex.org/C70036468","wikidata":"https://www.wikidata.org/wiki/Q131288","display_name":"Immigration","level":2,"score":0.2545815706253052},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.21331238746643066},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.20732158422470093},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.13378190994262695}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3535511.3535548","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3535511.3535548","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"XVIII Brazilian Symposium on Information Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.6700000166893005}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1736726159","https://openalex.org/W2101746535","https://openalex.org/W2784109792","https://openalex.org/W2982222442","https://openalex.org/W4230674625","https://openalex.org/W4238046660","https://openalex.org/W4252257569","https://openalex.org/W6769301388"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W1529433124","https://openalex.org/W4231130218","https://openalex.org/W2474931066","https://openalex.org/W2050605493","https://openalex.org/W4312963271","https://openalex.org/W2062236950","https://openalex.org/W4385993538","https://openalex.org/W2784519483","https://openalex.org/W2947939355"],"abstract_inverted_index":{"Context:":[0],"Xenophobia":[1],"is":[2,10,38,56,60,155,247],"the":[3,54,63,82,86,112,120,129,145,159,174,180,183,186,189,193,204,210,221,229,235,253],"fear":[4],"of":[5,62,77,88,114,173,177,201,212,237],"foreign":[6],"groups.":[7,35],"Nevertheless,":[8],"it":[9,20,37],"understood":[11],"that":[12,53],"this":[13,153],"phenomenon":[14],"emcompasses":[15],"something":[16,242],"much":[17],"broader,":[18],"as":[19,46,244,246],"brings":[21],"to":[22,73,85,96,135,228],"light":[23],"not":[24,39,250],"only":[25],"fear,":[26],"but":[27],"also":[28,233],"rejection":[29],"or":[30],"hostility":[31],"towards":[32],"different":[33],"ethnic":[34],"Although":[36],"a":[40,98,137,238],"contemporary":[41],"problem,":[42],"recent":[43],"factors":[44],"such":[45],"economic":[47],"and":[48,170,218],"humanitarian":[49],"crises":[50],"have":[51,234],"shown":[52],"problem":[55],"growing.":[57],"Problem:":[58],"Twitter":[59],"one":[61,187],"most":[64],"used":[65,126],"social":[66,215],"networks":[67],"for":[68,102,140,182,209],"data":[69,164],"mining":[70],"studies,":[71],"due":[72],"its":[74],"large":[75],"number":[76],"posts.":[78],"These":[79],"singularities":[80],"make":[81],"platform":[83],"conducive":[84],"proliferation":[87],"hate":[89],"speech.":[90],"Solution:":[91],"The":[92,149],"present":[93],"research":[94,150,205],"aims":[95],"develop":[97],"tweet":[99],"classifier":[100],"system":[101],"xenophobic":[103],"messages.":[104],"IS":[105,222],"theory:":[106],"This":[107],"work":[108],"was":[109,125,192],"conceived":[110],"under":[111],"aegis":[113],"Organizational":[115],"Learning":[116],"Theory.":[117],"In":[118],"particular,":[119],"Support":[121],"Vector":[122],"Machines":[123],"strategy":[124],"together":[127],"with":[128,188,195,198],"TF-IDF":[130],"statistical":[131],"technique,":[132],"in":[133,152,214,220,226,252],"order":[134],"engineer":[136],"predictive":[138],"model":[139],"learning":[141],"potential":[142],"patterns":[143],"within":[144],"collected":[146],"data.":[147],"Method:":[148],"conducted":[151],"study":[154],"quantitative,":[156],"organized":[157],"through":[158],"following":[160],"methodological":[161],"procedures:":[162],"(i)":[163],"collection,":[165],"(ii)":[166],"controlled":[167],"laboratory":[168],"experiments,":[169],"(iii)":[171],"construction":[172],"classifier.":[175],"Summary":[176],"Results:":[178],"Among":[179],"results":[181,206],"developed":[184],"classifier,":[185],"best":[190],"performance":[191],"SVM":[194],"Kernel":[196],"Sigmoid,":[197],"an":[199],"accuracy":[200],"90%.":[202],"Thus,":[203],"are":[207],"encouraging":[208],"identification":[211],"xenophobia":[213],"media.":[216],"Contribution":[217],"Impact":[219],"area:":[223],"As":[224],"contributions,":[225],"addition":[227],"classification":[230],"system,":[231],"we":[232],"creation":[236],"database":[239],"on":[240],"Xenophobia,":[241],"that,":[243],"far":[245],"known,":[248],"does":[249],"exist":[251],"Brazilian":[254],"context.":[255]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}