{"id":"https://openalex.org/W2085080904","doi":"https://doi.org/10.1145/1284320.1284325","title":"A bisimulation for type abstraction and recursion","display_name":"A bisimulation for type abstraction and recursion","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2085080904","doi":"https://doi.org/10.1145/1284320.1284325","mag":"2085080904"},"language":"en","primary_location":{"id":"doi:10.1145/1284320.1284325","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1284320.1284325","pdf_url":null,"source":{"id":"https://openalex.org/S118992489","display_name":"Journal of the ACM","issn_l":"0004-5411","issn":["0004-5411","1557-735X"],"is_oa":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the ACM","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://repository.upenn.edu/bitstreams/aa952084-d915-402e-a894-1d57724f12a8/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048931630","display_name":"Eijiro Sumii","orcid":null},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Eijiro Sumii","raw_affiliation_strings":["Tohoku University, Sendai, Japan","Tohoku University Sendai, Japan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tohoku University, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]},{"raw_affiliation_string":"Tohoku University Sendai, Japan#TAB#","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085361253","display_name":"Benjamin C. Pierce","orcid":"https://orcid.org/0000-0001-7839-1636"},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Benjamin C. Pierce","raw_affiliation_strings":["University of Pennsylvania, Philadelphia, PA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, Philadelphia, PA","institution_ids":["https://openalex.org/I79576946"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":13.8355,"has_fulltext":false,"cited_by_count":73,"citation_normalized_percentile":{"value":0.98792181,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"54","issue":"5","first_page":"26","last_page":"26"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9995999932289124,"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":0.9995999932289124,"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9976000189781189,"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9876999855041504,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/bisimulation","display_name":"Bisimulation","score":0.8504739999771118},{"id":"https://openalex.org/keywords/recursion","display_name":"Recursion (computer science)","score":0.676443338394165},{"id":"https://openalex.org/keywords/closure","display_name":"Closure (psychology)","score":0.558739423751831},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5165030360221863},{"id":"https://openalex.org/keywords/abstraction","display_name":"Abstraction","score":0.4711386561393738},{"id":"https://openalex.org/keywords/equivalence","display_name":"Equivalence (formal languages)","score":0.470927894115448},{"id":"https://openalex.org/keywords/equivalence-relation","display_name":"Equivalence relation","score":0.4544227421283722},{"id":"https://openalex.org/keywords/logical-equivalence","display_name":"Logical equivalence","score":0.45116284489631653},{"id":"https://openalex.org/keywords/domain-theory","display_name":"Domain theory","score":0.4461452066898346},{"id":"https://openalex.org/keywords/existentialism","display_name":"Existentialism","score":0.42705389857292175},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.4230911433696747},{"id":"https://openalex.org/keywords/type","display_name":"Type (biology)","score":0.4203074872493744},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.40584927797317505},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.38024190068244934},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3129260540008545},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.2499178647994995},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.2103080451488495},{"id":"https://openalex.org/keywords/epistemology","display_name":"Epistemology","score":0.08253699541091919}],"concepts":[{"id":"https://openalex.org/C135315306","wikidata":"https://www.wikidata.org/wiki/Q866364","display_name":"Bisimulation","level":2,"score":0.8504739999771118},{"id":"https://openalex.org/C168773036","wikidata":"https://www.wikidata.org/wiki/Q264164","display_name":"Recursion (computer science)","level":2,"score":0.676443338394165},{"id":"https://openalex.org/C146834321","wikidata":"https://www.wikidata.org/wiki/Q2979672","display_name":"Closure (psychology)","level":2,"score":0.558739423751831},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5165030360221863},{"id":"https://openalex.org/C124304363","wikidata":"https://www.wikidata.org/wiki/Q673661","display_name":"Abstraction","level":2,"score":0.4711386561393738},{"id":"https://openalex.org/C2780069185","wikidata":"https://www.wikidata.org/wiki/Q7977945","display_name":"Equivalence (formal languages)","level":2,"score":0.470927894115448},{"id":"https://openalex.org/C156103551","wikidata":"https://www.wikidata.org/wiki/Q130998","display_name":"Equivalence relation","level":2,"score":0.4544227421283722},{"id":"https://openalex.org/C70846408","wikidata":"https://www.wikidata.org/wiki/Q220433","display_name":"Logical equivalence","level":3,"score":0.45116284489631653},{"id":"https://openalex.org/C29585364","wikidata":"https://www.wikidata.org/wiki/Q1079166","display_name":"Domain theory","level":2,"score":0.4461452066898346},{"id":"https://openalex.org/C127882523","wikidata":"https://www.wikidata.org/wiki/Q38066","display_name":"Existentialism","level":2,"score":0.42705389857292175},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.4230911433696747},{"id":"https://openalex.org/C2777299769","wikidata":"https://www.wikidata.org/wiki/Q3707858","display_name":"Type (biology)","level":2,"score":0.4203074872493744},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.40584927797317505},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.38024190068244934},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3129260540008545},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.2499178647994995},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.2103080451488495},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.08253699541091919},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0}],"mesh":[],"locations_count":7,"locations":[{"id":"doi:10.1145/1284320.1284325","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1284320.1284325","pdf_url":null,"source":{"id":"https://openalex.org/S118992489","display_name":"Journal of the ACM","issn_l":"0004-5411","issn":["0004-5411","1557-735X"],"is_oa":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the ACM","raw_type":"journal-article"},{"id":"pmh:oai:repository.upenn.edu:20.500.14332/6180","is_oa":false,"landing_page_url":"https://repository.upenn.edu/handle/20.500.14332/6180","pdf_url":null,"source":{"id":"https://openalex.org/S4306402083","display_name":"ScholarlyCommons (University of Pennsylvania)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79576946","host_organization_name":"University of Pennsylvania","host_organization_lineage":["https://openalex.org/I79576946"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"published","raw_type":"Presentation"},{"id":"pmh:oai:repository.upenn.edu:cis_papers-1155","is_oa":true,"landing_page_url":"https://repository.upenn.edu/cis_papers/151","pdf_url":"https://repository.upenn.edu/bitstreams/aa952084-d915-402e-a894-1d57724f12a8/download","source":{"id":"https://openalex.org/S4306402083","display_name":"ScholarlyCommons (University of Pennsylvania)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79576946","host_organization_name":"University of Pennsylvania","host_organization_lineage":["https://openalex.org/I79576946"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Departmental Papers (CIS)","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.108.7876","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.108.7876","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cis.upenn.edu/~bcpierce/papers/infohide5-jacm.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.160.8956","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.160.8956","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.kb.ecei.tohoku.ac.jp/~sumii/pub/infohide5.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.522.6406","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.522.6406","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://basics.sjtu.edu.cn/~yuehg/popl/a bisimulation for type abstraction and recursion (2005).pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.73.7347","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.73.7347","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://web.yl.is.s.u-tokyo.ac.jp/~sumii/pub/infohide5.pdf","raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:repository.upenn.edu:cis_papers-1155","is_oa":true,"landing_page_url":"https://repository.upenn.edu/cis_papers/151","pdf_url":"https://repository.upenn.edu/bitstreams/aa952084-d915-402e-a894-1d57724f12a8/download","source":{"id":"https://openalex.org/S4306402083","display_name":"ScholarlyCommons (University of Pennsylvania)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79576946","host_organization_name":"University of Pennsylvania","host_organization_lineage":["https://openalex.org/I79576946"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Departmental Papers (CIS)","raw_type":"text"},"sustainable_development_goals":[{"score":0.5400000214576721,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W2085080904.pdf"},"referenced_works_count":56,"referenced_works":["https://openalex.org/W9614445","https://openalex.org/W23932799","https://openalex.org/W88975855","https://openalex.org/W172004165","https://openalex.org/W1503973138","https://openalex.org/W1508098446","https://openalex.org/W1513445195","https://openalex.org/W1539402181","https://openalex.org/W1573459293","https://openalex.org/W1583463787","https://openalex.org/W1585299317","https://openalex.org/W1596161732","https://openalex.org/W1603799276","https://openalex.org/W1604099552","https://openalex.org/W1607688932","https://openalex.org/W1790031272","https://openalex.org/W1793987241","https://openalex.org/W1808214913","https://openalex.org/W1815958522","https://openalex.org/W1956373135","https://openalex.org/W1973054120","https://openalex.org/W1975882289","https://openalex.org/W1983077483","https://openalex.org/W1987868327","https://openalex.org/W1991984504","https://openalex.org/W1992889841","https://openalex.org/W1994676271","https://openalex.org/W1997143185","https://openalex.org/W2005403834","https://openalex.org/W2011491369","https://openalex.org/W2016017569","https://openalex.org/W2018474310","https://openalex.org/W2036037932","https://openalex.org/W2045564677","https://openalex.org/W2057292961","https://openalex.org/W2063608931","https://openalex.org/W2084788336","https://openalex.org/W2087828835","https://openalex.org/W2088500281","https://openalex.org/W2092367588","https://openalex.org/W2106229972","https://openalex.org/W2106978595","https://openalex.org/W2118623138","https://openalex.org/W2125379835","https://openalex.org/W2134181241","https://openalex.org/W2137865376","https://openalex.org/W2144562508","https://openalex.org/W2149412346","https://openalex.org/W2170800927","https://openalex.org/W2561675875","https://openalex.org/W4285719527","https://openalex.org/W6600386668","https://openalex.org/W6606951199","https://openalex.org/W6630104300","https://openalex.org/W6636047891","https://openalex.org/W6680753846"],"related_works":["https://openalex.org/W2043781314","https://openalex.org/W2258712491","https://openalex.org/W4388918135","https://openalex.org/W2096883545","https://openalex.org/W1161578261","https://openalex.org/W2376140444","https://openalex.org/W1555673433","https://openalex.org/W4389081390","https://openalex.org/W4380906055","https://openalex.org/W1974379828"],"abstract_inverted_index":{"We":[0],"present":[1],"a":[2],"bisimulation":[3],"method":[4],"for":[5,55],"proving":[6],"the":[7],"contextual":[8],"equivalence":[9],"of":[10,65,67],"packages":[11],"in":[12],"\u03bb-calculus":[13],"with":[14],"full":[15],"existential":[16,56],"and":[17,35,37,46],"recursive":[18],"types.":[19,57],"Unlike":[20,48],"traditional":[21],"logical":[22],"relations":[23,36],"(either":[24],"semantic":[25],"or":[26],"syntactic),":[27],"our":[28],"development":[29],"is":[30,52,61],"\u201celementary,\u201d":[31],"using":[32],"only":[33],"sets":[34,64],"avoiding":[38],"advanced":[39],"machinery":[40],"such":[41],"as":[42],"domain":[43],"theory,":[44],"admissibility,":[45],"TT-closure.":[47],"other":[49],"bisimulations,":[50],"ours":[51],"complete":[53],"even":[54],"The":[58],"key":[59],"idea":[60],"to":[62],"consider":[63],"relations\u2014instead":[66],"just":[68],"relations\u2014as":[69],"bisimulations.":[70]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":10}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
