{"id":"https://openalex.org/W1999164752","doi":"https://doi.org/10.1016/0020-0190(72)90005-1","title":"A classification of extensible programming languages","display_name":"A classification of extensible programming languages","publication_year":1972,"publication_date":"1972-02-01","ids":{"openalex":"https://openalex.org/W1999164752","doi":"https://doi.org/10.1016/0020-0190(72)90005-1","mag":"1999164752"},"language":"en","primary_location":{"id":"doi:10.1016/0020-0190(72)90005-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0190(72)90005-1","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information Processing Letters","raw_type":"journal-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/A5015550229","display_name":"N. Solntseff","orcid":null},"institutions":[{"id":"https://openalex.org/I98251732","display_name":"McMaster University","ror":"https://ror.org/02fa3aq29","country_code":"CA","type":"education","lineage":["https://openalex.org/I98251732"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"N. Solntseff","raw_affiliation_strings":["Department of Applied Mathematics, McMaster University, Hamilton, Ontario, Canada","Department of Applied Mathematics, McMaster University, Hamilton, Ontario, Canada#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics, McMaster University, Hamilton, Ontario, Canada","institution_ids":["https://openalex.org/I98251732"]},{"raw_affiliation_string":"Department of Applied Mathematics, McMaster University, Hamilton, Ontario, Canada#TAB#","institution_ids":["https://openalex.org/I98251732"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5015550229"],"corresponding_institution_ids":["https://openalex.org/I98251732"],"apc_list":{"value":2200,"currency":"USD","value_usd":2200},"apc_paid":null,"fwci":3.56281407,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.90134341,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"1","issue":"3","first_page":"91","last_page":"96"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.8801000118255615,"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"}},"topics":[{"id":"https://openalex.org/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.8801000118255615,"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/programming-language","display_name":"Programming language","score":0.780153751373291},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7294594049453735},{"id":"https://openalex.org/keywords/extensibility","display_name":"Extensibility","score":0.6494932770729065},{"id":"https://openalex.org/keywords/fifth-generation-programming-language","display_name":"Fifth-generation programming language","score":0.5585663914680481},{"id":"https://openalex.org/keywords/comparison-of-multi-paradigm-programming-languages","display_name":"Comparison of multi-paradigm programming languages","score":0.5277168154716492},{"id":"https://openalex.org/keywords/functional-logic-programming","display_name":"Functional logic programming","score":0.5222592949867249},{"id":"https://openalex.org/keywords/second-generation-programming-language","display_name":"Second-generation programming language","score":0.44670283794403076},{"id":"https://openalex.org/keywords/inductive-programming","display_name":"Inductive programming","score":0.3613579273223877},{"id":"https://openalex.org/keywords/programming-paradigm","display_name":"Programming paradigm","score":0.36107364296913147},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3593922555446625}],"concepts":[{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.780153751373291},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7294594049453735},{"id":"https://openalex.org/C32833848","wikidata":"https://www.wikidata.org/wiki/Q4115054","display_name":"Extensibility","level":2,"score":0.6494932770729065},{"id":"https://openalex.org/C199305712","wikidata":"https://www.wikidata.org/wiki/Q3205914","display_name":"Fifth-generation programming language","level":3,"score":0.5585663914680481},{"id":"https://openalex.org/C74149592","wikidata":"https://www.wikidata.org/wiki/Q762446","display_name":"Comparison of multi-paradigm programming languages","level":5,"score":0.5277168154716492},{"id":"https://openalex.org/C96315309","wikidata":"https://www.wikidata.org/wiki/Q5508829","display_name":"Functional logic programming","level":4,"score":0.5222592949867249},{"id":"https://openalex.org/C11164408","wikidata":"https://www.wikidata.org/wiki/Q18657800","display_name":"Second-generation programming language","level":4,"score":0.44670283794403076},{"id":"https://openalex.org/C50033165","wikidata":"https://www.wikidata.org/wiki/Q15712089","display_name":"Inductive programming","level":3,"score":0.3613579273223877},{"id":"https://openalex.org/C34165917","wikidata":"https://www.wikidata.org/wiki/Q188267","display_name":"Programming paradigm","level":2,"score":0.36107364296913147},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3593922555446625}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0020-0190(72)90005-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0190(72)90005-1","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W221156861","https://openalex.org/W1515065514","https://openalex.org/W1976020328","https://openalex.org/W1993198238","https://openalex.org/W2009807065","https://openalex.org/W2011016867","https://openalex.org/W2032006038","https://openalex.org/W2045575062","https://openalex.org/W2049638247","https://openalex.org/W2058335329","https://openalex.org/W2061665722","https://openalex.org/W2062038600","https://openalex.org/W2065715381","https://openalex.org/W2074860160","https://openalex.org/W2085784593","https://openalex.org/W2095430566","https://openalex.org/W2161229537","https://openalex.org/W3022537579","https://openalex.org/W4206754771","https://openalex.org/W4252681893","https://openalex.org/W6669122077"],"related_works":["https://openalex.org/W1024151587","https://openalex.org/W1973795410","https://openalex.org/W4252923434","https://openalex.org/W2264335287","https://openalex.org/W4244888611","https://openalex.org/W4297858271","https://openalex.org/W2094055450","https://openalex.org/W341140180","https://openalex.org/W3203150237","https://openalex.org/W29671655"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}