{"id":"https://openalex.org/W1997965066","doi":"https://doi.org/10.1016/0304-3975(87)90011-9","title":"Analytic models and ambiguity of context-free languages","display_name":"Analytic models and ambiguity of context-free languages","publication_year":1987,"publication_date":"1987-01-01","ids":{"openalex":"https://openalex.org/W1997965066","doi":"https://doi.org/10.1016/0304-3975(87)90011-9","mag":"1997965066"},"language":"en","primary_location":{"id":"doi:10.1016/0304-3975(87)90011-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0304-3975(87)90011-9","pdf_url":null,"source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"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":"Theoretical Computer Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://inria.hal.science/inria-00076071","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018743761","display_name":"Philippe Flajolet","orcid":null},"institutions":[{"id":"https://openalex.org/I1326498283","display_name":"Institut national de recherche en sciences et technologies du num\u00e9rique","ror":"https://ror.org/02kvxyf05","country_code":"FR","type":"government","lineage":["https://openalex.org/I1326498283"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Philippe Flajolet","raw_affiliation_strings":["INRIA, Rocquencourt, 78150 Le Chesnay Cedex, France","INRIA Rocquencourt, Le Chesnay Cedex France#TAB#"],"affiliations":[{"raw_affiliation_string":"INRIA, Rocquencourt, 78150 Le Chesnay Cedex, France","institution_ids":["https://openalex.org/I1326498283"]},{"raw_affiliation_string":"INRIA Rocquencourt, Le Chesnay Cedex France#TAB#","institution_ids":["https://openalex.org/I1326498283"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5018743761"],"corresponding_institution_ids":["https://openalex.org/I1326498283"],"apc_list":{"value":2690,"currency":"USD","value_usd":2690},"apc_paid":null,"fwci":3.7374,"has_fulltext":false,"cited_by_count":174,"citation_normalized_percentile":{"value":0.93162393,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"49","issue":"2-3","first_page":"283","last_page":"309"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.9979000091552734,"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":0.9979000091552734,"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/T10948","display_name":"Advanced Combinatorial Mathematics","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9891999959945679,"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/ambiguity","display_name":"Ambiguity","score":0.678705096244812},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6283085346221924},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6259721517562866},{"id":"https://openalex.org/keywords/context-free-language","display_name":"Context-free language","score":0.6139178276062012},{"id":"https://openalex.org/keywords/relation","display_name":"Relation (database)","score":0.6125609278678894},{"id":"https://openalex.org/keywords/transcendental-number","display_name":"Transcendental number","score":0.5464134216308594},{"id":"https://openalex.org/keywords/algebraic-number","display_name":"Algebraic number","score":0.5418598651885986},{"id":"https://openalex.org/keywords/transcendental-function","display_name":"Transcendental function","score":0.493885338306427},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.4802008867263794},{"id":"https://openalex.org/keywords/formal-language","display_name":"Formal language","score":0.4477989077568054},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3619347810745239},{"id":"https://openalex.org/keywords/calculus","display_name":"Calculus (dental)","score":0.33390823006629944},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.3236128091812134},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3203834295272827},{"id":"https://openalex.org/keywords/rule-based-machine-translation","display_name":"Rule-based machine translation","score":0.25827136635780334},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.18497902154922485},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.1768360733985901},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17047357559204102},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.07080361247062683}],"concepts":[{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.678705096244812},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6283085346221924},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6259721517562866},{"id":"https://openalex.org/C198838072","wikidata":"https://www.wikidata.org/wiki/Q729271","display_name":"Context-free language","level":3,"score":0.6139178276062012},{"id":"https://openalex.org/C25343380","wikidata":"https://www.wikidata.org/wiki/Q277521","display_name":"Relation (database)","level":2,"score":0.6125609278678894},{"id":"https://openalex.org/C188370112","wikidata":"https://www.wikidata.org/wiki/Q173091","display_name":"Transcendental number","level":2,"score":0.5464134216308594},{"id":"https://openalex.org/C9376300","wikidata":"https://www.wikidata.org/wiki/Q168817","display_name":"Algebraic number","level":2,"score":0.5418598651885986},{"id":"https://openalex.org/C43321923","wikidata":"https://www.wikidata.org/wiki/Q864333","display_name":"Transcendental function","level":2,"score":0.493885338306427},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.4802008867263794},{"id":"https://openalex.org/C146072743","wikidata":"https://www.wikidata.org/wiki/Q192161","display_name":"Formal language","level":2,"score":0.4477989077568054},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3619347810745239},{"id":"https://openalex.org/C2777686260","wikidata":"https://www.wikidata.org/wiki/Q144037","display_name":"Calculus (dental)","level":2,"score":0.33390823006629944},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.3236128091812134},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3203834295272827},{"id":"https://openalex.org/C53893814","wikidata":"https://www.wikidata.org/wiki/Q7378909","display_name":"Rule-based machine translation","level":2,"score":0.25827136635780334},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.18497902154922485},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.1768360733985901},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17047357559204102},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.07080361247062683},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"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/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/0304-3975(87)90011-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0304-3975(87)90011-9","pdf_url":null,"source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"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":"Theoretical Computer Science","raw_type":"journal-article"},{"id":"pmh:hdl:10068/48567","is_oa":false,"landing_page_url":"http://hdl.handle.net/10068/48567","pdf_url":null,"source":{"id":"https://openalex.org/S4377196900","display_name":"OpenGrey (Institut de l'Information Scientifique et Technique)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1295345811","host_organization_name":"Institut de l'Information Scientifique et Technique","host_organization_lineage":["https://openalex.org/I1295345811"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"R - Report"},{"id":"pmh:oai:HAL:inria-00076071v1","is_oa":true,"landing_page_url":"https://inria.hal.science/inria-00076071","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"RR-0483, INRIA. 1986","raw_type":"Reports"}],"best_oa_location":{"id":"pmh:oai:HAL:inria-00076071v1","is_oa":true,"landing_page_url":"https://inria.hal.science/inria-00076071","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"RR-0483, INRIA. 1986","raw_type":"Reports"},"sustainable_development_goals":[{"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4","score":0.699999988079071}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W299874250","https://openalex.org/W1495268561","https://openalex.org/W1535681052","https://openalex.org/W1572192843","https://openalex.org/W1573753544","https://openalex.org/W1578332044","https://openalex.org/W1594563152","https://openalex.org/W1598450631","https://openalex.org/W1607161872","https://openalex.org/W1890888469","https://openalex.org/W1908291764","https://openalex.org/W1983188796","https://openalex.org/W1987632226","https://openalex.org/W1996684294","https://openalex.org/W2006171487","https://openalex.org/W2015569722","https://openalex.org/W2015952037","https://openalex.org/W2019367635","https://openalex.org/W2023413246","https://openalex.org/W2023484993","https://openalex.org/W2026011391","https://openalex.org/W2039343706","https://openalex.org/W2053134413","https://openalex.org/W2054686769","https://openalex.org/W2059985428","https://openalex.org/W2060628618","https://openalex.org/W2078830190","https://openalex.org/W2168559467","https://openalex.org/W2188913344","https://openalex.org/W2317997851","https://openalex.org/W2405938680","https://openalex.org/W2410092892","https://openalex.org/W2751862591","https://openalex.org/W4212799367","https://openalex.org/W4246950700","https://openalex.org/W4250453066","https://openalex.org/W4255229918","https://openalex.org/W4295023717","https://openalex.org/W6634201388","https://openalex.org/W6639277472","https://openalex.org/W6647276562","https://openalex.org/W6664104269","https://openalex.org/W6665422471","https://openalex.org/W6892268361"],"related_works":["https://openalex.org/W1481108397","https://openalex.org/W1792497233","https://openalex.org/W2120451642","https://openalex.org/W4378448846","https://openalex.org/W4300089223","https://openalex.org/W3183290492","https://openalex.org/W4387814077","https://openalex.org/W2523571232","https://openalex.org/W3014029144","https://openalex.org/W2074397670"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":9},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":3}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}