{"id":"https://openalex.org/W4409671515","doi":"https://doi.org/10.1145/3696410.3714529","title":"DiGrI: Distorted Greedy Approach for Human-Assisted Online Suicide Ideation Detection","display_name":"DiGrI: Distorted Greedy Approach for Human-Assisted Online Suicide Ideation Detection","publication_year":2025,"publication_date":"2025-04-22","ids":{"openalex":"https://openalex.org/W4409671515","doi":"https://doi.org/10.1145/3696410.3714529"},"language":"en","primary_location":{"id":"doi:10.1145/3696410.3714529","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3696410.3714529","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3696410.3714529","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Web Conference 2025","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3696410.3714529","any_repository_has_fulltext":null},"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/I99043593","display_name":"Macquarie University","ror":"https://ror.org/01sf06y89","country_code":"AU","type":"education","lineage":["https://openalex.org/I99043593"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Usman Naseem","raw_affiliation_strings":["Macquarie University, Sydney, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"Macquarie University, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I99043593"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101541061","display_name":"Liang Hu","orcid":"https://orcid.org/0000-0001-8588-2177"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Hu","raw_affiliation_strings":["Tongji University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100784844","display_name":"Qi Zhang","orcid":"https://orcid.org/0000-0002-1037-1361"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qi Zhang","raw_affiliation_strings":["Tongji University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082317196","display_name":"Shoujin Wang","orcid":"https://orcid.org/0000-0003-1133-9379"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Shoujin Wang","raw_affiliation_strings":["University of Technology Sydney, Sydney, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"University of Technology Sydney, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I114017466"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082611298","display_name":"Shoaib Jameel","orcid":"https://orcid.org/0000-0001-7534-3313"},"institutions":[{"id":"https://openalex.org/I43439940","display_name":"University of Southampton","ror":"https://ror.org/01ryk1543","country_code":"GB","type":"education","lineage":["https://openalex.org/I43439940"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Shoaib Jameel","raw_affiliation_strings":["University of Southampton, Southampton, United Kingdom"],"affiliations":[{"raw_affiliation_string":"University of Southampton, Southampton, United Kingdom","institution_ids":["https://openalex.org/I43439940"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5077006200"],"corresponding_institution_ids":["https://openalex.org/I99043593"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.08751146,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"5192","last_page":"5201"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T10376","display_name":"Suicide and Self-Harm Studies","score":0.9968000054359436,"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/T11519","display_name":"Digital Mental Health Interventions","score":0.9783999919891357,"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/ideation","display_name":"Ideation","score":0.692489504814148},{"id":"https://openalex.org/keywords/suicidal-ideation","display_name":"Suicidal ideation","score":0.6368770599365234},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6016248464584351},{"id":"https://openalex.org/keywords/greedy-algorithm","display_name":"Greedy algorithm","score":0.5970112085342407},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3402588963508606},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2783755660057068},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.17512604594230652},{"id":"https://openalex.org/keywords/medical-emergency","display_name":"Medical emergency","score":0.16938629746437073},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.15683460235595703},{"id":"https://openalex.org/keywords/poison-control","display_name":"Poison control","score":0.13289692997932434},{"id":"https://openalex.org/keywords/human-factors-and-ergonomics","display_name":"Human factors and ergonomics","score":0.12334093451499939},{"id":"https://openalex.org/keywords/cognitive-science","display_name":"Cognitive science","score":0.09025681018829346}],"concepts":[{"id":"https://openalex.org/C170477896","wikidata":"https://www.wikidata.org/wiki/Q17039022","display_name":"Ideation","level":2,"score":0.692489504814148},{"id":"https://openalex.org/C2776641880","wikidata":"https://www.wikidata.org/wiki/Q944142","display_name":"Suicidal ideation","level":4,"score":0.6368770599365234},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6016248464584351},{"id":"https://openalex.org/C51823790","wikidata":"https://www.wikidata.org/wiki/Q504353","display_name":"Greedy algorithm","level":2,"score":0.5970112085342407},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3402588963508606},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2783755660057068},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.17512604594230652},{"id":"https://openalex.org/C545542383","wikidata":"https://www.wikidata.org/wiki/Q2751242","display_name":"Medical emergency","level":1,"score":0.16938629746437073},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.15683460235595703},{"id":"https://openalex.org/C3017944768","wikidata":"https://www.wikidata.org/wiki/Q1450463","display_name":"Poison control","level":2,"score":0.13289692997932434},{"id":"https://openalex.org/C166735990","wikidata":"https://www.wikidata.org/wiki/Q1750812","display_name":"Human factors and ergonomics","level":3,"score":0.12334093451499939},{"id":"https://openalex.org/C188147891","wikidata":"https://www.wikidata.org/wiki/Q147638","display_name":"Cognitive science","level":1,"score":0.09025681018829346}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3696410.3714529","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3696410.3714529","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3696410.3714529","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Web Conference 2025","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3696410.3714529","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3696410.3714529","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3696410.3714529","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Web Conference 2025","raw_type":"proceedings-article"},"sustainable_development_goals":[{"display_name":"Gender equality","score":0.7200000286102295,"id":"https://metadata.un.org/sdg/5"}],"awards":[{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5521624060","display_name":null,"funder_award_id":"62276190","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4409671515.pdf","grobid_xml":"https://content.openalex.org/works/W4409671515.grobid-xml"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W1997400404","https://openalex.org/W2064675550","https://openalex.org/W2148083007","https://openalex.org/W2250539671","https://openalex.org/W2599674900","https://openalex.org/W2886741239","https://openalex.org/W2907212742","https://openalex.org/W2914767245","https://openalex.org/W2963777125","https://openalex.org/W2970205254","https://openalex.org/W3035244157","https://openalex.org/W3088524227","https://openalex.org/W3116085234","https://openalex.org/W3121412789","https://openalex.org/W3154219437","https://openalex.org/W3176528293","https://openalex.org/W3179816465","https://openalex.org/W3213914898","https://openalex.org/W4205684863","https://openalex.org/W4205910355","https://openalex.org/W4206070193","https://openalex.org/W4237564871","https://openalex.org/W4287754178","https://openalex.org/W4321021744","https://openalex.org/W4327797488","https://openalex.org/W4360994498","https://openalex.org/W4378718123","https://openalex.org/W4385614992","https://openalex.org/W4385624518","https://openalex.org/W4387617694","https://openalex.org/W4391164242","https://openalex.org/W4396723505","https://openalex.org/W4406458466","https://openalex.org/W4406458510","https://openalex.org/W6600424091"],"related_works":["https://openalex.org/W4361191600","https://openalex.org/W4403261817","https://openalex.org/W4396745016","https://openalex.org/W4403261211","https://openalex.org/W4403261945","https://openalex.org/W4403261788","https://openalex.org/W4394242809","https://openalex.org/W2901001949","https://openalex.org/W4403261224","https://openalex.org/W2091644386"],"abstract_inverted_index":{"User-generated":[0],"content":[1],"on":[2,119],"social":[3],"media":[4],"platforms":[5],"provides":[6],"a":[7,47,68,76,120],"valuable":[8],"resource":[9],"for":[10,56,139,153],"developing":[11],"automated":[12,29],"computational":[13],"methods":[14,30],"to":[15,22,39,85,150],"detect":[16],"mental":[17,116],"health":[18,117,159],"issues":[19,118],"online":[20,140],"leading":[21,38],"suicidal":[23],"thoughts":[24],"automatically.":[25],"Although":[26],"current":[27],"fully":[28],"show":[31,103],"promise,":[32],"they":[33],"may":[34],"produce":[35],"uncertain":[36,96],"predictions,":[37],"flawed":[40],"conclusions.":[41],"To":[42],"address":[43],"this,":[44],"we":[45],"propose":[46],"novel":[48,77],"model":[49,74,81],"called":[50],"DiGrI,":[51],"or":[52],"Distorted":[53],"Greedy":[54],"Approach":[55],"Human-Assisted":[57],"Online":[58],"Suicide":[59],"Ideation":[60],"Detection,":[61],"which":[62],"reformulates":[63],"suicide":[64,142],"ideation":[65,143],"assessment":[66],"as":[67],"selective,":[69],"prioritized":[70],"prediction":[71],"problem.":[72],"The":[73],"incorporates":[75],"multi-classifier":[78],"distorted":[79],"greedy":[80],"that":[82,104],"is":[83],"optimized":[84],"operate":[86],"under":[87],"various":[88],"levels":[89],"of":[90,136],"automation":[91],"and":[92,129,157],"abstains":[93],"from":[94],"making":[95],"predictions":[97],"with":[98],"theoretical":[99],"guarantees.":[100],"Our":[101],"results":[102],"DiGrI":[105,138],"outperforms":[106],"strong":[107],"comparative":[108],"models":[109,113],"including":[110,132],"large":[111],"language":[112],"in":[114,155],"detecting":[115],"publicly":[121],"available":[122],"Reddit":[123],"dataset.":[124],"We":[125],"discuss":[126],"the":[127,133],"empirical":[128],"practical":[130],"implications,":[131],"ethical":[134],"considerations":[135],"using":[137],"automatic":[141],"detection":[144],"involving":[145],"humans,":[146],"if":[147],"it":[148],"were":[149],"be":[151],"translated":[152],"use":[154],"clinical":[156],"public":[158],"practice.":[160]},"counts_by_year":[],"updated_date":"2026-04-13T07:58:08.660418","created_date":"2025-10-10T00:00:00"}