{"id":"https://openalex.org/W4406459593","doi":"https://doi.org/10.1109/bigdata62323.2024.10825048","title":"Overview of IEEE BigData 2024 Cup Challenges: Suicide Ideation Detection on Social Media","display_name":"Overview of IEEE BigData 2024 Cup Challenges: Suicide Ideation Detection on Social Media","publication_year":2024,"publication_date":"2024-12-15","ids":{"openalex":"https://openalex.org/W4406459593","doi":"https://doi.org/10.1109/bigdata62323.2024.10825048"},"language":"en","primary_location":{"id":"doi:10.1109/bigdata62323.2024.10825048","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata62323.2024.10825048","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE International Conference on Big Data (BigData)","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/A5100361894","display_name":"Jun Li","orcid":"https://orcid.org/0000-0002-6207-6110"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Jun Li","raw_affiliation_strings":["The Hong Kong Polytechnic University,Hong Kong,China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University,Hong Kong,China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011168268","display_name":"Yifei Yan","orcid":"https://orcid.org/0000-0001-9014-6262"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yifei Yan","raw_affiliation_strings":["City University of Hong Kong,Hong Kong,China"],"affiliations":[{"raw_affiliation_string":"City University of Hong Kong,Hong Kong,China","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100658085","display_name":"Ziyan Zhang","orcid":"https://orcid.org/0009-0009-2062-6004"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ziyan Zhang","raw_affiliation_strings":["The Hong Kong Polytechnic University,Hong Kong,China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University,Hong Kong,China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010481978","display_name":"Xiangmeng Wang","orcid":"https://orcid.org/0000-0003-3643-3353"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Xiangmeng Wang","raw_affiliation_strings":["The Hong Kong Polytechnic University,Hong Kong,China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University,Hong Kong,China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081054998","display_name":"Hong Va Leong","orcid":"https://orcid.org/0000-0001-7682-9032"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hong Va Leong","raw_affiliation_strings":["The Hong Kong Polytechnic University,Hong Kong,China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University,Hong Kong,China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038625421","display_name":"Nancy Xiaonan Yu","orcid":"https://orcid.org/0000-0002-6371-2684"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Nancy Xiaonan Yu","raw_affiliation_strings":["City University of Hong Kong,Hong Kong,China"],"affiliations":[{"raw_affiliation_string":"City University of Hong Kong,Hong Kong,China","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100404176","display_name":"Qing Li","orcid":"https://orcid.org/0000-0003-3370-471X"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Qing Li","raw_affiliation_strings":["The Hong Kong Polytechnic University,Hong Kong,China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University,Hong Kong,China","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5100361894"],"corresponding_institution_ids":["https://openalex.org/I14243506"],"apc_list":null,"apc_paid":null,"fwci":1.3541,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.83325997,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"8532","last_page":"8540"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10376","display_name":"Suicide and Self-Harm Studies","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10376","display_name":"Suicide and Self-Harm Studies","score":0.9994999766349792,"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"}},{"id":"https://openalex.org/T12488","display_name":"Mental Health via Writing","score":0.9993000030517578,"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/T11519","display_name":"Digital Mental Health Interventions","score":0.9853000044822693,"subfield":{"id":"https://openalex.org/subfields/3202","display_name":"Applied 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/big-data","display_name":"Big data","score":0.730952799320221},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5971989035606384},{"id":"https://openalex.org/keywords/ideation","display_name":"Ideation","score":0.5461457967758179},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.5458748936653137},{"id":"https://openalex.org/keywords/suicidal-ideation","display_name":"Suicidal ideation","score":0.4273008108139038},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.3628016412258148},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.27677834033966064},{"id":"https://openalex.org/keywords/medical-emergency","display_name":"Medical emergency","score":0.19775745272636414},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.17704588174819946},{"id":"https://openalex.org/keywords/poison-control","display_name":"Poison control","score":0.16548669338226318},{"id":"https://openalex.org/keywords/suicide-prevention","display_name":"Suicide prevention","score":0.16382655501365662},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.15630334615707397},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.09722110629081726}],"concepts":[{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.730952799320221},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5971989035606384},{"id":"https://openalex.org/C170477896","wikidata":"https://www.wikidata.org/wiki/Q17039022","display_name":"Ideation","level":2,"score":0.5461457967758179},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.5458748936653137},{"id":"https://openalex.org/C2776641880","wikidata":"https://www.wikidata.org/wiki/Q944142","display_name":"Suicidal ideation","level":4,"score":0.4273008108139038},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.3628016412258148},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.27677834033966064},{"id":"https://openalex.org/C545542383","wikidata":"https://www.wikidata.org/wiki/Q2751242","display_name":"Medical emergency","level":1,"score":0.19775745272636414},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.17704588174819946},{"id":"https://openalex.org/C3017944768","wikidata":"https://www.wikidata.org/wiki/Q1450463","display_name":"Poison control","level":2,"score":0.16548669338226318},{"id":"https://openalex.org/C526869908","wikidata":"https://www.wikidata.org/wiki/Q3298118","display_name":"Suicide prevention","level":3,"score":0.16382655501365662},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.15630334615707397},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.09722110629081726},{"id":"https://openalex.org/C188147891","wikidata":"https://www.wikidata.org/wiki/Q147638","display_name":"Cognitive science","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/bigdata62323.2024.10825048","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata62323.2024.10825048","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE International Conference on Big Data (BigData)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Gender equality","score":0.6899999976158142,"id":"https://metadata.un.org/sdg/5"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1901708246","https://openalex.org/W2554980225","https://openalex.org/W2741004402","https://openalex.org/W2790199850","https://openalex.org/W2807452501","https://openalex.org/W2883944442","https://openalex.org/W2890787190","https://openalex.org/W2900152803","https://openalex.org/W2908543495","https://openalex.org/W2911378332","https://openalex.org/W2913319271","https://openalex.org/W2918008835","https://openalex.org/W2921616123","https://openalex.org/W2930957955","https://openalex.org/W2963366600","https://openalex.org/W2963749797","https://openalex.org/W2970205254","https://openalex.org/W2975086838","https://openalex.org/W3032158497","https://openalex.org/W3094303728","https://openalex.org/W3118508698","https://openalex.org/W3118747349","https://openalex.org/W3153905165","https://openalex.org/W3155707196","https://openalex.org/W3159323157","https://openalex.org/W3167447905","https://openalex.org/W3176528293","https://openalex.org/W4237564871","https://openalex.org/W4284707425","https://openalex.org/W4297989279","https://openalex.org/W4303696687","https://openalex.org/W4312127268","https://openalex.org/W4320920246","https://openalex.org/W4361230825","https://openalex.org/W4362663179","https://openalex.org/W4366327625","https://openalex.org/W4367353919","https://openalex.org/W4383176813","https://openalex.org/W4391572037","https://openalex.org/W4392619744","https://openalex.org/W4396723505","https://openalex.org/W4402677669","https://openalex.org/W6769847311","https://openalex.org/W6785018372","https://openalex.org/W6843034720"],"related_works":["https://openalex.org/W4322629366","https://openalex.org/W2808989540","https://openalex.org/W2397053934","https://openalex.org/W1039292361","https://openalex.org/W2731626691","https://openalex.org/W2551093110","https://openalex.org/W2148016376","https://openalex.org/W4237919137","https://openalex.org/W3184179822","https://openalex.org/W3095362084"],"abstract_inverted_index":{"This":[0],"overview":[1],"presents":[2],"one":[3],"of":[4,8,15,28,48,58,102,114,148,178,198],"the":[5,13,46,60,76,100,163,165,171,192,196],"cup":[6],"challenges":[7,123],"IEEE":[9],"BigData":[10],"2024,":[11],"with":[12],"topic":[14],"suicide":[16,125,188,203],"risk":[17,126,134],"level":[18],"detection":[19,127,189],"on":[20],"social":[21,186],"media":[22,187],"posts.":[23],"Given":[24],"a":[25,54,145],"training":[26],"set":[27],"N":[29,38],"=":[30,34,39],"2000":[31],"posts":[32,62],"(N":[33],"500":[35],"labelled":[36],"and":[37,70,87,112,132,190],"1500":[40],"unlabelled":[41],"posts)":[42],"from":[43,109,150],"r/SuicideWatch":[44],"subreddits,":[45],"task":[47],"this":[49,179],"challenge":[50,180],"is":[51],"to":[52,94,140,156,185,195],"develop":[53],"predictive":[55],"model":[56,83,104],"capable":[57],"classifying":[59],"suicidal":[61,130,133],"into":[63],"four":[64],"levels":[65],"(i.e.,":[66],"indicator,":[67],"ideation,":[68],"behaviour,":[69],"attempt).":[71],"The":[72,176],"dataset":[73],"provided":[74],"simulated":[75],"obstacles":[77],"existed":[78],"in":[79,124,201],"relevant":[80],"fields":[81],"(e.g.,":[82],"overfitting,":[84],"data":[85,131],"scarcity":[86],"class":[88],"imbalance),":[89],"participating":[90],"teams":[91,111,116],"are":[92],"supposed":[93],"tackle":[95],"these":[96,142],"issues":[97],"while":[98],"exploring":[99],"effectiveness":[101,194],"various":[103],"architectures.":[105],"We":[106],"received":[107],"submissions":[108],"21":[110],"works":[113],"13":[115],"underwent":[117],"final":[118,172],"evaluation.":[119],"Teams":[120],"addressed":[121],"key":[122],"including":[128],"limited":[129],"imbalance.":[135],"They":[136],"employed":[137],"novel":[138],"approaches":[139],"overcome":[141],"obstacles,":[143],"leveraging":[144],"diverse":[146],"range":[147],"models":[149,154,160],"foundational":[151],"base":[152],"language":[153,159],"(BLMs)":[155],"state-of-the-art":[157],"large":[158],"(LLMs).":[161],"In":[162],"competition,":[164],"highest":[166],"weighted":[167],"F1-score":[168],"achieved":[169],"under":[170],"evaluation":[173],"was":[174],"0.7605.":[175],"findings":[177],"can":[181],"provide":[182],"technical":[183],"implications":[184],"contribute":[191],"clinical":[193],"applications":[197],"machine":[199],"learning":[200],"digital":[202],"or":[204],"mental":[205],"healthcare":[206],"management.":[207]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
