{"id":"https://openalex.org/W4399850786","doi":"https://doi.org/10.1145/3656421","title":"Decidable Subtyping of Existential Types for Julia","display_name":"Decidable Subtyping of Existential Types for Julia","publication_year":2024,"publication_date":"2024-06-20","ids":{"openalex":"https://openalex.org/W4399850786","doi":"https://doi.org/10.1145/3656421"},"language":"en","primary_location":{"id":"doi:10.1145/3656421","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3656421","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3656421","source":{"id":"https://openalex.org/S4210216081","display_name":"Proceedings of the ACM on Programming Languages","issn_l":"2475-1421","issn":["2475-1421"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"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 Programming Languages","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3656421","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5075571308","display_name":"Julia Belyakova","orcid":"https://orcid.org/0000-0002-7490-8500"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Julia Belyakova","raw_affiliation_strings":["Purdue University, West Lafayette, USA"],"raw_orcid":"https://orcid.org/0000-0002-7490-8500","affiliations":[{"raw_affiliation_string":"Purdue University, West Lafayette, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008191145","display_name":"Benjamin Chung","orcid":"https://orcid.org/0000-0001-9238-7334"},"institutions":[{"id":"https://openalex.org/I111088046","display_name":"Boston University","ror":"https://ror.org/05qwgg493","country_code":"US","type":"education","lineage":["https://openalex.org/I111088046"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Benjamin Chung","raw_affiliation_strings":["JuliaHub, Boston, USA"],"raw_orcid":"https://orcid.org/0000-0001-9238-7334","affiliations":[{"raw_affiliation_string":"JuliaHub, Boston, USA","institution_ids":["https://openalex.org/I111088046"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001655224","display_name":"Ross Tate","orcid":"https://orcid.org/0000-0002-7608-4605"},"institutions":[{"id":"https://openalex.org/I108326093","display_name":"Ithaka Harbors","ror":"https://ror.org/018xens77","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I108326093"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ross Tate","raw_affiliation_strings":["Independent Consultant, Ithaka, USA"],"raw_orcid":"https://orcid.org/0000-0002-7608-4605","affiliations":[{"raw_affiliation_string":"Independent Consultant, Ithaka, USA","institution_ids":["https://openalex.org/I108326093"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084307280","display_name":"Jan V\u00edtek","orcid":"https://orcid.org/0000-0003-4052-3458"},"institutions":[{"id":"https://openalex.org/I111088046","display_name":"Boston University","ror":"https://ror.org/05qwgg493","country_code":"US","type":"education","lineage":["https://openalex.org/I111088046"]},{"id":"https://openalex.org/I12912129","display_name":"Northeastern University","ror":"https://ror.org/04t5xt781","country_code":"US","type":"education","lineage":["https://openalex.org/I12912129"]},{"id":"https://openalex.org/I21250087","display_name":"Charles University","ror":"https://ror.org/024d6js02","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21250087"]}],"countries":["CZ","US"],"is_corresponding":false,"raw_author_name":"Jan Vitek","raw_affiliation_strings":["Charles University, Prague, Czechia","Northeastern University, Boston, USA","Northeastern University, Boston, USA / Charles University, Prague, Czechia"],"raw_orcid":"https://orcid.org/0000-0003-4052-3458","affiliations":[{"raw_affiliation_string":"Charles University, Prague, Czechia","institution_ids":["https://openalex.org/I21250087"]},{"raw_affiliation_string":"Northeastern University, Boston, USA","institution_ids":["https://openalex.org/I12912129"]},{"raw_affiliation_string":"Northeastern University, Boston, USA / Charles University, Prague, Czechia","institution_ids":["https://openalex.org/I12912129","https://openalex.org/I21250087","https://openalex.org/I111088046"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3055,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.61975245,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"8","issue":"PLDI","first_page":"1091","last_page":"1114"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9988999962806702,"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"}},"topics":[{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9988999962806702,"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9753999710083008,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9606000185012817,"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/subtyping","display_name":"Subtyping","score":0.9247484803199768},{"id":"https://openalex.org/keywords/existentialism","display_name":"Existentialism","score":0.7732589840888977},{"id":"https://openalex.org/keywords/decidability","display_name":"Decidability","score":0.5991746187210083},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39062589406967163},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.35697996616363525},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.2154279351234436},{"id":"https://openalex.org/keywords/epistemology","display_name":"Epistemology","score":0.1560039222240448},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1366283893585205}],"concepts":[{"id":"https://openalex.org/C83852419","wikidata":"https://www.wikidata.org/wiki/Q2713292","display_name":"Subtyping","level":2,"score":0.9247484803199768},{"id":"https://openalex.org/C127882523","wikidata":"https://www.wikidata.org/wiki/Q38066","display_name":"Existentialism","level":2,"score":0.7732589840888977},{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.5991746187210083},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39062589406967163},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.35697996616363525},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.2154279351234436},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.1560039222240448},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1366283893585205}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3656421","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3656421","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3656421","source":{"id":"https://openalex.org/S4210216081","display_name":"Proceedings of the ACM on Programming Languages","issn_l":"2475-1421","issn":["2475-1421"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"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 Programming Languages","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1145/3656421","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3656421","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3656421","source":{"id":"https://openalex.org/S4210216081","display_name":"Proceedings of the ACM on Programming Languages","issn_l":"2475-1421","issn":["2475-1421"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"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 Programming Languages","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2343747795","display_name":null,"funder_award_id":"CCF-1910850, CNS-1925644, CCF-2139612","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4399850786.pdf"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W1507723317","https://openalex.org/W1526736056","https://openalex.org/W1558128491","https://openalex.org/W1593740543","https://openalex.org/W1972445726","https://openalex.org/W1977655588","https://openalex.org/W1981173279","https://openalex.org/W2022443117","https://openalex.org/W2027657506","https://openalex.org/W2033485121","https://openalex.org/W2081992169","https://openalex.org/W2087871591","https://openalex.org/W2097166325","https://openalex.org/W2099281706","https://openalex.org/W2108185070","https://openalex.org/W2120575449","https://openalex.org/W2121169478","https://openalex.org/W2152240553","https://openalex.org/W2163976959","https://openalex.org/W2180690638","https://openalex.org/W2427840161","https://openalex.org/W2534815697","https://openalex.org/W2893611774","https://openalex.org/W2898321943","https://openalex.org/W2911865844","https://openalex.org/W2962829798","https://openalex.org/W2964706574","https://openalex.org/W2968326497","https://openalex.org/W2996410546","https://openalex.org/W2996697590","https://openalex.org/W3106635654","https://openalex.org/W3206858076","https://openalex.org/W4206115163","https://openalex.org/W4240543102","https://openalex.org/W4244046502","https://openalex.org/W4249075482","https://openalex.org/W4388762112","https://openalex.org/W4388774985"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2396009657","https://openalex.org/W2799110842","https://openalex.org/W3032826521","https://openalex.org/W2391332606","https://openalex.org/W1462775415","https://openalex.org/W4229853287","https://openalex.org/W4298370140","https://openalex.org/W2553870630"],"abstract_inverted_index":{"Julia":[0,98],"is":[1,54],"a":[2,21,59],"modern":[3],"scientific-computing":[4],"language":[5,17],"that":[6,51,95],"relies":[7],"on":[8,61],"multiple":[9],"dispatch":[10],"to":[11,33,63,88,105],"implement":[12],"generic":[13],"libraries.":[14],"While":[15],"the":[16,43,75,84],"does":[18],"not":[19],"have":[20],"static":[22],"type":[23,31],"system,":[24],"method":[25,70],"declarations":[26],"are":[27,37,86],"decorated":[28],"with":[29],"expressive":[30],"annotations":[32],"determine":[34],"when":[35],"they":[36],"applicable.":[38],"To":[39],"find":[40],"applicable":[41],"methods,":[42],"implementation":[44],"uses":[45],"subtyping":[46,53],"at":[47],"run-time.":[48],"We":[49],"show":[50],"Julia\u2019s":[52],"undecidable,":[55],"and":[56],"we":[57],"propose":[58],"restriction":[60],"types":[62,68,82],"recover":[64],"decidability":[65],"by":[66],"stratifying":[67],"into":[69],"signatures":[71],"over":[72],"value":[73],"types\u2014where":[74],"former":[76],"can":[77],"freely":[78],"use":[79],"bounded":[80],"existential":[81],"but":[83],"latter":[85],"restricted":[87],"use-site":[89],"variance.":[90],"A":[91],"corpus":[92],"analysis":[93],"suggests":[94],"nearly":[96],"all":[97],"programs":[99],"written":[100],"in":[101],"practice":[102],"already":[103],"conform":[104],"this":[106],"restriction.":[107]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
