{"id":"https://openalex.org/W4312914062","doi":"https://doi.org/10.1109/taffc.2022.3221683","title":"Classifying Suicide-Related Content and Emotions on Twitter Using Graph Convolutional Neural Networks","display_name":"Classifying Suicide-Related Content and Emotions on Twitter Using Graph Convolutional Neural Networks","publication_year":2022,"publication_date":"2022-11-18","ids":{"openalex":"https://openalex.org/W4312914062","doi":"https://doi.org/10.1109/taffc.2022.3221683"},"language":"en","primary_location":{"id":"doi:10.1109/taffc.2022.3221683","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taffc.2022.3221683","pdf_url":null,"source":{"id":"https://openalex.org/S104780363","display_name":"IEEE Transactions on Affective Computing","issn_l":"1949-3045","issn":["1949-3045","2371-9850"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Affective Computing","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/A5063894825","display_name":"Annika Marie Schoene","orcid":"https://orcid.org/0000-0002-9248-617X"},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Annika M Schoene","raw_affiliation_strings":["Department of Computer Science, University of Manchester, Manchester, U.K"],"raw_orcid":"https://orcid.org/0000-0002-9248-617X","affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Manchester, Manchester, U.K","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001740968","display_name":"Lana Bojani\u0107","orcid":"https://orcid.org/0000-0003-2067-2966"},"institutions":[{"id":"https://openalex.org/I2799725268","display_name":"Manchester Academic Health Science Centre","ror":"https://ror.org/04rrkhs81","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2799725268"]},{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Lana Bojani\u0107","raw_affiliation_strings":["Department of Psychology and Mental Health, University of Manchester, Manchester, U.K"],"raw_orcid":"https://orcid.org/0000-0003-2067-2966","affiliations":[{"raw_affiliation_string":"Department of Psychology and Mental Health, University of Manchester, Manchester, U.K","institution_ids":["https://openalex.org/I28407311","https://openalex.org/I2799725268"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042247568","display_name":"Minh-Quoc Nghiem","orcid":null},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Minh-Quoc Nghiem","raw_affiliation_strings":["Department of Computer Science, University of Manchester, Manchester, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Manchester, Manchester, U.K","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073694801","display_name":"Isabelle M. Hunt","orcid":"https://orcid.org/0000-0003-4875-8593"},"institutions":[{"id":"https://openalex.org/I2799725268","display_name":"Manchester Academic Health Science Centre","ror":"https://ror.org/04rrkhs81","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2799725268"]},{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Isabelle M Hunt","raw_affiliation_strings":["Department of Psychology and Mental Health, University of Manchester, Manchester, U.K"],"raw_orcid":"https://orcid.org/0000-0003-4875-8593","affiliations":[{"raw_affiliation_string":"Department of Psychology and Mental Health, University of Manchester, Manchester, U.K","institution_ids":["https://openalex.org/I28407311","https://openalex.org/I2799725268"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077976343","display_name":"Sophia Ananiadou","orcid":"https://orcid.org/0000-0002-4097-9191"},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sophia Ananiadou","raw_affiliation_strings":["Department of Computer Science, University of Manchester, Manchester, U.K"],"raw_orcid":"https://orcid.org/0000-0002-4097-9191","affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Manchester, Manchester, U.K","institution_ids":["https://openalex.org/I28407311"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.7948,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.93647813,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"14","issue":"3","first_page":"1791","last_page":"1802"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12488","display_name":"Mental Health via Writing","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12488","display_name":"Mental Health via Writing","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.9905999898910522,"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/T10376","display_name":"Suicide and Self-Harm Studies","score":0.984499990940094,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5375563502311707},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48894014954566956},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4337233304977417},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.42067116498947144},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4173869788646698},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3662562966346741},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.35799723863601685}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5375563502311707},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48894014954566956},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4337233304977417},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.42067116498947144},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4173869788646698},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3662562966346741},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.35799723863601685},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/taffc.2022.3221683","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taffc.2022.3221683","pdf_url":null,"source":{"id":"https://openalex.org/S104780363","display_name":"IEEE Transactions on Affective Computing","issn_l":"1949-3045","issn":["1949-3045","2371-9850"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Affective Computing","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/86fddfbb-06e0-48a2-a7a1-d4d877efdd39","is_oa":false,"landing_page_url":"https://research.manchester.ac.uk/en/publications/86fddfbb-06e0-48a2-a7a1-d4d877efdd39","pdf_url":null,"source":{"id":"https://openalex.org/S4306400662","display_name":"Research Explorer (The University of Manchester)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I28407311","host_organization_name":"University of Manchester","host_organization_lineage":["https://openalex.org/I28407311"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Schoene, A M, Bojanic, L, Nghiem, M-Q, Hunt, I M & Ananiadou, S 2022, 'Classifying suicide-related content and emotions on Twitter using Graph Convolutional Neural Networks', IEEE Transactions on Affective Computing. https://doi.org/10.1109/TAFFC.2022.3221683","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320313467","display_name":"Alan Turing Institute","ror":"https://ror.org/035dkdb55"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":68,"referenced_works":["https://openalex.org/W429766147","https://openalex.org/W613277099","https://openalex.org/W1522301498","https://openalex.org/W1533771558","https://openalex.org/W1574447377","https://openalex.org/W1963495448","https://openalex.org/W1966797434","https://openalex.org/W2064675550","https://openalex.org/W2104544532","https://openalex.org/W2129587854","https://openalex.org/W2134031328","https://openalex.org/W2140910804","https://openalex.org/W2143017621","https://openalex.org/W2145572739","https://openalex.org/W2150190681","https://openalex.org/W2150290224","https://openalex.org/W2153730370","https://openalex.org/W2161772959","https://openalex.org/W2166859310","https://openalex.org/W2168507497","https://openalex.org/W2170021941","https://openalex.org/W2185052123","https://openalex.org/W2489406233","https://openalex.org/W2741036097","https://openalex.org/W2749058815","https://openalex.org/W2750747353","https://openalex.org/W2792284744","https://openalex.org/W2798357113","https://openalex.org/W2805744755","https://openalex.org/W2807452501","https://openalex.org/W2883944442","https://openalex.org/W2886741239","https://openalex.org/W2890787190","https://openalex.org/W2891209320","https://openalex.org/W2902075879","https://openalex.org/W2906585657","https://openalex.org/W2912483755","https://openalex.org/W2915177913","https://openalex.org/W2932009903","https://openalex.org/W2962946486","https://openalex.org/W2963223838","https://openalex.org/W2980945805","https://openalex.org/W2981984641","https://openalex.org/W2996428491","https://openalex.org/W2997591727","https://openalex.org/W3034323190","https://openalex.org/W3090352232","https://openalex.org/W3102530385","https://openalex.org/W3125589014","https://openalex.org/W3153645085","https://openalex.org/W3201284223","https://openalex.org/W3212368439","https://openalex.org/W4238249433","https://openalex.org/W4250009135","https://openalex.org/W4285087597","https://openalex.org/W4294214983","https://openalex.org/W4297686483","https://openalex.org/W4323642664","https://openalex.org/W6631190155","https://openalex.org/W6632107956","https://openalex.org/W6736575291","https://openalex.org/W6746503718","https://openalex.org/W6768021236","https://openalex.org/W6780020810","https://openalex.org/W6794208104","https://openalex.org/W6796133039","https://openalex.org/W6800731904","https://openalex.org/W6922629577"],"related_works":["https://openalex.org/W2961085424","https://openalex.org/W4306674287","https://openalex.org/W3046775127","https://openalex.org/W3107602296","https://openalex.org/W4394896187","https://openalex.org/W3170094116","https://openalex.org/W4386462264","https://openalex.org/W4364306694","https://openalex.org/W4312192474","https://openalex.org/W4283697347"],"abstract_inverted_index":{"Recent":[0],"work":[1],"in":[2,13,24,72,108,128,188],"Natural":[3],"Language":[4],"Processing":[5],"has":[6,31],"increasingly":[7],"focused":[8],"on":[9],"detecting":[10],"suicidal":[11,49,64,190],"intent":[12,65,191],"textual":[14],"data,":[15],"where":[16],"the":[17,160,166,186],"main":[18],"aim":[19],"is":[20],"to":[21,46,61,94,110],"detect":[22],"expressions":[23,47,96],"a":[25,67,73,81,104,120,153],"binary":[26],"setting.":[27],"However,":[28],"previous":[29],"research":[30],"shown":[32],"that":[33,156,168],"search":[34],"results":[35],"and":[36,55,69,124,143,147],"other":[37],"mentions":[38,114],"of":[39,48,66,97,115,122,170,185],"suicide":[40,70],"online":[41],"are":[42,172],"not":[43],"only":[44],"limited":[45],"intent.":[50],"Therefore,":[51],"previously":[52],"proposed":[53],"algorithms":[54],"datasets":[56],"might":[57],"for":[58],"example":[59],"struggle":[60],"distinguish":[62,111],"between":[63,112],"user":[68],"mentioned":[71],"humorous":[74],"context.":[75],"In":[76],"this":[77],"article":[78],"we":[79,102,118,151,164],"introduce":[80,152],"new":[82],"dataset":[83],"called":[84],"<italic":[85,134,139,144],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[86,135,140,145],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">TWISCO</i>":[87],",":[88,138],"which":[89],"proposes":[90],"an":[91,182],"alternative":[92],"approach":[93],"classifying":[95,189],"suicidality":[98],"online.":[99,192],"For":[100],"this,":[101],"use":[103],"coding":[105],"framework":[106],"developed":[107],"Psychology":[109],"different":[113,130],"suicide.":[116],"Next,":[117],"present":[119],"variety":[121],"machine":[123],"deep":[125],"learning":[126],"baselines":[127],"three":[129],"classification":[131],"settings":[132],"(":[133],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">text":[136,146],"only</i>":[137,142],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">features":[141],"features</i>":[148],").":[149],"Furthermore,":[150],"Feature":[154],"GCN":[155,161],"improves":[157],"performance":[158],"over":[159],"baseline.":[162],"Finally,":[163],"investigate":[165],"hypothesis":[167],"feelings":[169],"dominance":[171],"correlated":[173],"with":[174],"users":[175],"expressing":[176],"their":[177],"own":[178],"suicidality.":[179],"We":[180],"provide":[181],"in-depth":[183],"discussion":[184],"trade-offs":[187]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":5}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
