{"id":"https://openalex.org/W1604051710","doi":"https://doi.org/10.3233/fi-1996-253401","title":"TOWARDS AN ALGEBRAIC THEORY OF CONTEXT-FREE LANGUAGES","display_name":"TOWARDS AN ALGEBRAIC THEORY OF CONTEXT-FREE LANGUAGES","publication_year":1996,"publication_date":"1996-01-01","ids":{"openalex":"https://openalex.org/W1604051710","doi":"https://doi.org/10.3233/fi-1996-253401","mag":"1604051710"},"language":"en","primary_location":{"id":"doi:10.3233/fi-1996-253401","is_oa":false,"landing_page_url":"https://doi.org/10.3233/fi-1996-253401","pdf_url":null,"source":{"id":"https://openalex.org/S39012697","display_name":"Fundamenta Informaticae","issn_l":"0169-2968","issn":["0169-2968","1875-8681"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Fundamenta Informaticae","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/A5002934242","display_name":"Jean Berstel","orcid":null},"institutions":[{"id":"https://openalex.org/I169645620","display_name":"Institut Pascal","ror":"https://ror.org/03vgfxd91","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I169645620","https://openalex.org/I198244214","https://openalex.org/I4210095849"]},{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"J. Berstel","raw_affiliation_strings":["LITP, Institut Blaise Pascal, Universit\u00e9 Pierre et Marie Curie, 4, place Jussieu, F-75252 Paris Cedex 05, France"],"affiliations":[{"raw_affiliation_string":"LITP, Institut Blaise Pascal, Universit\u00e9 Pierre et Marie Curie, 4, place Jussieu, F-75252 Paris Cedex 05, France","institution_ids":["https://openalex.org/I169645620","https://openalex.org/I39804081"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071797806","display_name":"Luc Boasson","orcid":null},"institutions":[{"id":"https://openalex.org/I169173203","display_name":"D\u00e9l\u00e9gation Paris 7","ror":"https://ror.org/00bw5n526","country_code":"FR","type":"government","lineage":["https://openalex.org/I154526488","https://openalex.org/I169173203"]},{"id":"https://openalex.org/I204730241","display_name":"Universit\u00e9 Paris Cit\u00e9","ror":"https://ror.org/05f82e368","country_code":"FR","type":"education","lineage":["https://openalex.org/I204730241"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"L. Boasson","raw_affiliation_strings":["LITP, Universit\u00e9 Denis Diderot, 2, place Jussieu, F-75251 Paris Cedex 05, France"],"affiliations":[{"raw_affiliation_string":"LITP, Universit\u00e9 Denis Diderot, 2, place Jussieu, F-75251 Paris Cedex 05, France","institution_ids":["https://openalex.org/I169173203","https://openalex.org/I204730241"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5002934242"],"corresponding_institution_ids":["https://openalex.org/I169645620","https://openalex.org/I39804081"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.08105434,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"25","issue":"3-4","first_page":"217","last_page":"239"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T11567","display_name":"semigroups and automata theory","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T12029","display_name":"DNA and Biological Computing","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/context-free-language","display_name":"Context-free language","score":0.7246303558349609},{"id":"https://openalex.org/keywords/algebraic-theory","display_name":"Algebraic theory","score":0.6482415199279785},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5509466528892517},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.540607213973999},{"id":"https://openalex.org/keywords/algebraic-number","display_name":"Algebraic number","score":0.5350372195243835},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5141234993934631},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.46205416321754456},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.23669195175170898},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.13310852646827698},{"id":"https://openalex.org/keywords/rule-based-machine-translation","display_name":"Rule-based machine translation","score":0.10213655233383179}],"concepts":[{"id":"https://openalex.org/C198838072","wikidata":"https://www.wikidata.org/wiki/Q729271","display_name":"Context-free language","level":3,"score":0.7246303558349609},{"id":"https://openalex.org/C2779782106","wikidata":"https://www.wikidata.org/wiki/Q4724020","display_name":"Algebraic theory","level":3,"score":0.6482415199279785},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5509466528892517},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.540607213973999},{"id":"https://openalex.org/C9376300","wikidata":"https://www.wikidata.org/wiki/Q168817","display_name":"Algebraic number","level":2,"score":0.5350372195243835},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5141234993934631},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46205416321754456},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.23669195175170898},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.13310852646827698},{"id":"https://openalex.org/C53893814","wikidata":"https://www.wikidata.org/wiki/Q7378909","display_name":"Rule-based machine translation","level":2,"score":0.10213655233383179},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3233/fi-1996-253401","is_oa":false,"landing_page_url":"https://doi.org/10.3233/fi-1996-253401","pdf_url":null,"source":{"id":"https://openalex.org/S39012697","display_name":"Fundamenta Informaticae","issn_l":"0169-2968","issn":["0169-2968","1875-8681"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Fundamenta Informaticae","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-00619463v1","is_oa":false,"landing_page_url":"https://hal.science/hal-00619463","pdf_url":null,"source":{"id":"https://openalex.org/S4406922466","display_name":"SPIRE - Sciences Po Institutional REpository","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Fundamenta Informaticae, 1996, 25 (3-4), pp.217-239","raw_type":"Journal articles"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W17000810","https://openalex.org/W58770555","https://openalex.org/W1505482284","https://openalex.org/W1535681052","https://openalex.org/W1574683770","https://openalex.org/W1890888469","https://openalex.org/W1977914976","https://openalex.org/W2022770634","https://openalex.org/W2061286114","https://openalex.org/W2094003799","https://openalex.org/W2914032487"],"related_works":["https://openalex.org/W4301445977","https://openalex.org/W2055765740","https://openalex.org/W1546171801","https://openalex.org/W2281329187","https://openalex.org/W1604051710","https://openalex.org/W1988863152","https://openalex.org/W4298033211","https://openalex.org/W2950010793","https://openalex.org/W4252364683","https://openalex.org/W1520823884"],"abstract_inverted_index":{"The":[0,17,40],"purpose":[1],"of":[2,10,14,20,37,48,58],"the":[3,8,34,55],"paper":[4],"is":[5,43,51],"to":[6,25,32,54],"present":[7],"implications":[9],"a":[11,46],"new":[12],"definition":[13],"context-free":[15],"languages.":[16],"main":[18],"interests":[19],"this":[21],"approach":[22],"are":[23],"first":[24],"allow":[26],"full":[27],"formal":[28],"proofs":[29],"and":[30],"second":[31],"enlight":[33],"crucial":[35],"role":[36],"rational":[38],"closures.":[39],"proposed":[41],"formalism":[42],"based":[44],"on":[45],"theorem":[47],"Wechler.":[49],"It":[50],"very":[52],"near":[53],"\u201cradical":[56],"algebras\u201d":[57],"Conway.":[59]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2014,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}