{"id":"https://openalex.org/W4367310253","doi":"https://doi.org/10.1145/3543873.3587587","title":"Graph-Based Hierarchical Attention Network for Suicide Risk Detection on Social Media","display_name":"Graph-Based Hierarchical Attention Network for Suicide Risk Detection on Social Media","publication_year":2023,"publication_date":"2023-04-28","ids":{"openalex":"https://openalex.org/W4367310253","doi":"https://doi.org/10.1145/3543873.3587587"},"language":"en","primary_location":{"id":"doi:10.1145/3543873.3587587","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3543873.3587587","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Companion Proceedings of the ACM Web Conference 2023","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/A5077006200","display_name":"Usman Naseem","orcid":"https://orcid.org/0000-0003-0191-7171"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Usman Naseem","raw_affiliation_strings":["School of Computer Science, The University of Sydney, Australia"],"affiliations":[{"raw_affiliation_string":"School of Computer Science, The University of Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100614820","display_name":"Jinman Kim","orcid":"https://orcid.org/0000-0001-5960-1060"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jinman Kim","raw_affiliation_strings":["School of Computer Science, The University of Sydney, Australia"],"affiliations":[{"raw_affiliation_string":"School of Computer Science, The University of Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030777395","display_name":"Matloob Khushi","orcid":"https://orcid.org/0000-0001-7792-2327"},"institutions":[{"id":"https://openalex.org/I59433898","display_name":"Brunel University of London","ror":"https://ror.org/00dn4t376","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I59433898"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Matloob Khushi","raw_affiliation_strings":["Department of Computer Science, Brunel University, United Kingdom"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Brunel University, United Kingdom","institution_ids":["https://openalex.org/I59433898"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055997493","display_name":"Adam G. Dunn","orcid":"https://orcid.org/0000-0002-1720-8209"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Adam Dunn","raw_affiliation_strings":["School of Medical Sciences, The University of Sydney, Australia"],"affiliations":[{"raw_affiliation_string":"School of Medical Sciences, The University of Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5077006200"],"corresponding_institution_ids":["https://openalex.org/I129604602"],"apc_list":null,"apc_paid":null,"fwci":1.9914,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.85705903,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"995","last_page":"1003"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12488","display_name":"Mental Health via Writing","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9947999715805054,"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/T11644","display_name":"Spam and Phishing Detection","score":0.980400025844574,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6506437063217163},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.5695084929466248},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4727005958557129},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.36665505170822144},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.2359333038330078},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.1854349672794342}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6506437063217163},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.5695084929466248},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4727005958557129},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.36665505170822144},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2359333038330078},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.1854349672794342}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3543873.3587587","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3543873.3587587","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Companion Proceedings of the ACM Web Conference 2023","raw_type":"proceedings-article"},{"id":"pmh:oai:researchonline.jcu.edu.au:79220","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306400519","display_name":"ResearchOnline at James Cook University (James Cook University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I86467917","host_organization_name":"James Cook University","host_organization_lineage":["https://openalex.org/I86467917"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference Item"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.5099999904632568}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W566200224","https://openalex.org/W1963495448","https://openalex.org/W2031961563","https://openalex.org/W2064675550","https://openalex.org/W2148083007","https://openalex.org/W2150190681","https://openalex.org/W2405042511","https://openalex.org/W2470673105","https://openalex.org/W2472824226","https://openalex.org/W2511234952","https://openalex.org/W2741004402","https://openalex.org/W2768663569","https://openalex.org/W2788667846","https://openalex.org/W2807452501","https://openalex.org/W2886741239","https://openalex.org/W2908543495","https://openalex.org/W2911378332","https://openalex.org/W2962946486","https://openalex.org/W2963777125","https://openalex.org/W2970205254","https://openalex.org/W2981984641","https://openalex.org/W2987607344","https://openalex.org/W2997162759","https://openalex.org/W3088524227","https://openalex.org/W3116085234","https://openalex.org/W3175170601","https://openalex.org/W4224326626","https://openalex.org/W4248576335","https://openalex.org/W4285238083","https://openalex.org/W4299828299"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"The":[0],"widespread":[1],"use":[2],"of":[3,22],"social":[4,85],"media":[5],"for":[6,17,131],"expressing":[7],"personal":[8],"thoughts":[9],"and":[10,101,115],"emotions":[11],"makes":[12],"it":[13],"a":[14,61,70,146],"valuable":[15],"resource":[16],"identifying":[18],"individuals":[19],"at":[20],"risk":[21,82,123,133],"suicide.":[23],"Existing":[24],"sequential":[25,102],"learning-based":[26],"methods":[27,34,51,144],"have":[28],"shown":[29],"promising":[30],"results.":[31],"However,":[32],"these":[33],"may":[35],"fail":[36],"to":[37,42,46,79,97,111,117],"capture":[38,98],"global":[39,91],"features.":[40],"Due":[41],"its":[43],"inherent":[44],"ability":[45],"learn":[47],"interconnected":[48],"data,":[49],"graph-based":[50,63],"can":[52],"address":[53],"this":[54,57],"gap.":[55],"In":[56],"paper,":[58],"we":[59],"present":[60],"new":[62],"hierarchical":[64],"attention":[65],"network":[66,74],"(GHAN)":[67],"that":[68,138],"uses":[69],"graph":[71],"convolutional":[72],"neural":[73],"with":[75],"an":[76,126],"ordinal":[77,127],"loss":[78],"improve":[80],"suicide":[81,122,132],"identification":[83],"on":[84,145],"media.":[86],"Specifically,":[87],"GHAN":[88,141],"first":[89],"captures":[90],"features":[92,108],"by":[93],"constructing":[94],"three":[95],"graphs":[96],"semantic,":[99],"syntactic,":[100],"contextual":[103],"information.":[104],"Then":[105],"encoded":[106],"textual":[107],"are":[109],"fed":[110],"attentive":[112],"transformers\u2019":[113],"encoder":[114],"optimized":[116],"factor":[118],"in":[119],"the":[120,139],"increasing":[121],"levels":[124],"using":[125],"classification":[128],"layer":[129],"hierarchically":[130],"detection.":[134],"Experimental":[135],"results":[136],"show":[137],"proposed":[140],"outperformed":[142],"state-of-the-art":[143],"public":[147],"Reddit":[148],"dataset.":[149]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
