{"id":"https://openalex.org/W1998050988","doi":"https://doi.org/10.1016/s0019-9958(71)90075-1","title":"The structure generating function and entropy of tuple languages","display_name":"The structure generating function and entropy of tuple languages","publication_year":1971,"publication_date":"1971-10-01","ids":{"openalex":"https://openalex.org/W1998050988","doi":"https://doi.org/10.1016/s0019-9958(71)90075-1","mag":"1998050988"},"language":"en","primary_location":{"id":"doi:10.1016/s0019-9958(71)90075-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0019-9958(71)90075-1","pdf_url":null,"source":{"id":"https://openalex.org/S4210192454","display_name":"Information and Control","issn_l":"0019-9958","issn":["0019-9958","1878-2981"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319955","host_organization_name":"Academic Press","host_organization_lineage":["https://openalex.org/P4310319955","https://openalex.org/P4310320990"],"host_organization_lineage_names":["Academic Press","Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information and Control","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/A5072305957","display_name":"Werner Kuich","orcid":null},"institutions":[{"id":"https://openalex.org/I2802916955","display_name":"Max Perutz Labs","ror":"https://ror.org/05cz70a34","country_code":"AT","type":"facility","lineage":["https://openalex.org/I2802916955"]}],"countries":["AT"],"is_corresponding":true,"raw_author_name":"Werner Kuich","raw_affiliation_strings":["IBM Laboratory Vienna, Vienna, Austria","Ibm Laboratory Vienna, Vienna, Austria"],"affiliations":[{"raw_affiliation_string":"IBM Laboratory Vienna, Vienna, Austria","institution_ids":["https://openalex.org/I2802916955"]},{"raw_affiliation_string":"Ibm Laboratory Vienna, Vienna, Austria","institution_ids":["https://openalex.org/I2802916955"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026864542","display_name":"Hermann Maurer","orcid":null},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Hermann Maurer","raw_affiliation_strings":["The University of Calgary, Calgary, Alberta, Canada","(The University of Calgary, Calgary, Alberta, Canada)"],"affiliations":[{"raw_affiliation_string":"The University of Calgary, Calgary, Alberta, Canada","institution_ids":["https://openalex.org/I168635309"]},{"raw_affiliation_string":"(The University of Calgary, Calgary, Alberta, Canada)","institution_ids":["https://openalex.org/I168635309"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5072305957"],"corresponding_institution_ids":["https://openalex.org/I2802916955"],"apc_list":null,"apc_paid":null,"fwci":1.1201,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.75382962,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"19","issue":"3","first_page":"195","last_page":"203"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.9997000098228455,"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":0.9997000098228455,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.9861999750137329,"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/T11269","display_name":"Algorithms and Data Compression","score":0.982699990272522,"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/tuple","display_name":"Tuple","score":0.8714829683303833},{"id":"https://openalex.org/keywords/rule-based-machine-translation","display_name":"Rule-based machine translation","score":0.773004412651062},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.5906442999839783},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4833238124847412},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.454993337392807},{"id":"https://openalex.org/keywords/principle-of-maximum-entropy","display_name":"Principle of maximum entropy","score":0.415351539850235},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.2770947813987732},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2599378824234009}],"concepts":[{"id":"https://openalex.org/C118930307","wikidata":"https://www.wikidata.org/wiki/Q600590","display_name":"Tuple","level":2,"score":0.8714829683303833},{"id":"https://openalex.org/C53893814","wikidata":"https://www.wikidata.org/wiki/Q7378909","display_name":"Rule-based machine translation","level":2,"score":0.773004412651062},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.5906442999839783},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4833238124847412},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.454993337392807},{"id":"https://openalex.org/C9679016","wikidata":"https://www.wikidata.org/wiki/Q1417473","display_name":"Principle of maximum entropy","level":2,"score":0.415351539850235},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.2770947813987732},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2599378824234009},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0019-9958(71)90075-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0019-9958(71)90075-1","pdf_url":null,"source":{"id":"https://openalex.org/S4210192454","display_name":"Information and Control","issn_l":"0019-9958","issn":["0019-9958","1878-2981"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319955","host_organization_name":"Academic Press","host_organization_lineage":["https://openalex.org/P4310319955","https://openalex.org/P4310320990"],"host_organization_lineage_names":["Academic Press","Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information and Control","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5299999713897705,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W299519334","https://openalex.org/W1890888469","https://openalex.org/W1995875735","https://openalex.org/W2008155134","https://openalex.org/W2021604490","https://openalex.org/W2032607679","https://openalex.org/W2042720934","https://openalex.org/W2061759138","https://openalex.org/W2065290848","https://openalex.org/W2073779224","https://openalex.org/W2148224873","https://openalex.org/W2540093976","https://openalex.org/W4255229918","https://openalex.org/W6639277472","https://openalex.org/W6728713754"],"related_works":["https://openalex.org/W4245395944","https://openalex.org/W2143551613","https://openalex.org/W1979740464","https://openalex.org/W1979597421","https://openalex.org/W2138823233","https://openalex.org/W2007980826","https://openalex.org/W1998050988","https://openalex.org/W3041490575","https://openalex.org/W2970690932","https://openalex.org/W4321135767"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}
