{"id":"https://openalex.org/W2134762177","doi":"https://doi.org/10.1145/38765.38822","title":"Metaclasses are first class: The ObjVlisp Model","display_name":"Metaclasses are first class: The ObjVlisp Model","publication_year":1987,"publication_date":"1987-12-01","ids":{"openalex":"https://openalex.org/W2134762177","doi":"https://doi.org/10.1145/38765.38822","mag":"2134762177"},"language":"en","primary_location":{"id":"doi:10.1145/38765.38822","is_oa":false,"landing_page_url":"https://doi.org/10.1145/38765.38822","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Conference proceedings on Object-oriented programming systems, languages and applications","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/A5065676757","display_name":"Pierre Cointe","orcid":"https://orcid.org/0000-0003-4368-6703"},"institutions":[{"id":"https://openalex.org/I33976269","display_name":"Xerox (France)","ror":"https://ror.org/033q0mv79","country_code":"FR","type":"company","lineage":["https://openalex.org/I33976269","https://openalex.org/I4210132870"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Pierre Cointe","raw_affiliation_strings":["Rank Xerox &amp; LITP","Rank Xerox & LITP#TAB#"],"affiliations":[{"raw_affiliation_string":"Rank Xerox &amp; LITP","institution_ids":["https://openalex.org/I33976269"]},{"raw_affiliation_string":"Rank Xerox & LITP#TAB#","institution_ids":["https://openalex.org/I33976269"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5065676757"],"corresponding_institution_ids":["https://openalex.org/I33976269"],"apc_list":null,"apc_paid":null,"fwci":7.2775,"has_fulltext":false,"cited_by_count":157,"citation_normalized_percentile":{"value":0.97242051,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"156","last_page":"162"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9968000054359436,"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":0.9968000054359436,"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/T10703","display_name":"Business Process Modeling and Analysis","score":0.9940000176429749,"subfield":{"id":"https://openalex.org/subfields/1404","display_name":"Management Information Systems"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10639","display_name":"Advanced Software Engineering Methodologies","score":0.9908999800682068,"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/class","display_name":"Class (philosophy)","score":0.7925266623497009},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7655704021453857},{"id":"https://openalex.org/keywords/smalltalk","display_name":"Smalltalk","score":0.7381276488304138},{"id":"https://openalex.org/keywords/unification","display_name":"Unification","score":0.695711612701416},{"id":"https://openalex.org/keywords/ambiguity","display_name":"Ambiguity","score":0.6718920469284058},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.5492033958435059},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.5191909074783325},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4505949914455414},{"id":"https://openalex.org/keywords/object-oriented-programming","display_name":"Object-oriented programming","score":0.44511115550994873},{"id":"https://openalex.org/keywords/first-class","display_name":"First class","score":0.4129767417907715},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.26961323618888855},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.09569144248962402}],"concepts":[{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.7925266623497009},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7655704021453857},{"id":"https://openalex.org/C2777293101","wikidata":"https://www.wikidata.org/wiki/Q235086","display_name":"Smalltalk","level":3,"score":0.7381276488304138},{"id":"https://openalex.org/C96146094","wikidata":"https://www.wikidata.org/wiki/Q609057","display_name":"Unification","level":2,"score":0.695711612701416},{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.6718920469284058},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.5492033958435059},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.5191909074783325},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4505949914455414},{"id":"https://openalex.org/C73752529","wikidata":"https://www.wikidata.org/wiki/Q79872","display_name":"Object-oriented programming","level":2,"score":0.44511115550994873},{"id":"https://openalex.org/C2779849256","wikidata":"https://www.wikidata.org/wiki/Q5454147","display_name":"First class","level":2,"score":0.4129767417907715},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.26961323618888855},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.09569144248962402}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1145/38765.38822","is_oa":false,"landing_page_url":"https://doi.org/10.1145/38765.38822","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Conference proceedings on Object-oriented programming systems, languages and applications","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.150.3655","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.150.3655","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.iam.unibe.ch/~ducasse/Web/ArchivedLectures/p156-cointe.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.366.3440","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.366.3440","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://stephane.ducasse.free.fr/Web/ArchivedLectures/Lectures-Reflective-0001/allPapers.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.531.964","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.531.964","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.dmi.usherb.ca/~sgiroux/COURS/2008/ift785/fichiers/articles/p156-cointe.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","score":0.5600000023841858,"id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1503886226","https://openalex.org/W1511393690","https://openalex.org/W1538574252","https://openalex.org/W1655268669","https://openalex.org/W1770006921","https://openalex.org/W1990309597","https://openalex.org/W2048310176","https://openalex.org/W2068606617","https://openalex.org/W2082514774","https://openalex.org/W2095219277","https://openalex.org/W2163832616","https://openalex.org/W2180690638","https://openalex.org/W2686043342","https://openalex.org/W4249022551"],"related_works":["https://openalex.org/W1584712945","https://openalex.org/W4242574932","https://openalex.org/W169715093","https://openalex.org/W1484966945","https://openalex.org/W4234407104","https://openalex.org/W2164087987","https://openalex.org/W2290662422","https://openalex.org/W317009327","https://openalex.org/W2029829557","https://openalex.org/W2118523061"],"abstract_inverted_index":{"This":[0,37,100],"paper":[1],"shows":[2],"how":[3],"an":[4,14,76],"attempt":[5],"at":[6,109],"a":[7,43,46,52,83,86,130],"uniform":[8],"and":[9,33,65,81,120],"re-flective":[10],"definition":[11,54],"resulted":[12],"in":[13,123],"open-ended":[15],"system":[16],"sup-porting":[17],"ObjVlisp,":[18],"which":[19],"we":[20],"use":[21],"to":[22,29,41,50,59,61,67,104],"simulate":[23],"object-oriented":[24],"language":[25],"extensions.":[26],"We":[27],"propose":[28],"unify":[30],"Smalltalk":[31],"classes":[32],"their":[34],"terminal":[35],"instances.":[36,138],"unification":[38],"allows":[39,102],"us":[40,103],"treat":[42],"class":[44,48,88,107,118,131,134],"as":[45],"\u201cfirst":[47],"citizen\u201d,":[49],"give":[51],"circular":[53],"of":[55,78,129,136],"the":[56,62,69,93,106,110,114,126,133],"first":[57],"metaclass,":[58],"access":[60],"metaclass":[63,84,94],"level":[64],"finally":[66],"control":[68],"instantiation":[70],"link.":[71],"Because":[72],"each":[73],"object":[74],"is":[75,85],"instance":[77,121,127],"another":[79,91],"one":[80],"because":[82],"real":[87],"inheriting":[89],"from":[90],"one,":[92],"links":[95],"can":[96],"be":[97],"created":[98],"indefinitely.":[99],"uniformity":[101],"define":[105],"variables":[108,119,128,135],"metalevel":[111],"thus":[112],"suppressing":[113],"Smalltalk-":[115],"ambiguity":[116],"between":[117],"variables:":[122],"our":[124],"model":[125],"are":[132],"its":[137]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
