{"id":"https://openalex.org/W2083357883","doi":"https://doi.org/10.1016/s0304-3975(99)00238-8","title":"Repetitiveness of languages generated by morphisms","display_name":"Repetitiveness of languages generated by morphisms","publication_year":2000,"publication_date":"2000-06-01","ids":{"openalex":"https://openalex.org/W2083357883","doi":"https://doi.org/10.1016/s0304-3975(99)00238-8","mag":"2083357883"},"language":"en","primary_location":{"id":"doi:10.1016/s0304-3975(99)00238-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0304-3975(99)00238-8","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5001323567","display_name":"Yuji Kobayashi","orcid":"https://orcid.org/0000-0003-2244-7391"},"institutions":[{"id":"https://openalex.org/I129634264","display_name":"Toho University","ror":"https://ror.org/02hcx7n63","country_code":"JP","type":"education","lineage":["https://openalex.org/I129634264"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuji Kobayashi","raw_affiliation_strings":["Department of Information Science, Faculty of Science, Toho University, Funabashi 274, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Information Science, Faculty of Science, Toho University, Funabashi 274, Japan","institution_ids":["https://openalex.org/I129634264"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111446858","display_name":"Friedrich Otto","orcid":null},"institutions":[{"id":"https://openalex.org/I106157433","display_name":"University of Kassel","ror":"https://ror.org/04zc7p361","country_code":"DE","type":"education","lineage":["https://openalex.org/I106157433"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Friedrich Otto","raw_affiliation_strings":["Fachbereich Mathematik/Informatik, Universit\u00e4t Kassel, D-34109 Kassel, Germany","Fachbereich Mathematik/Informatik,  Universit\u00e4t Kassel, D\u201334109 Kassel, Germany"],"affiliations":[{"raw_affiliation_string":"Fachbereich Mathematik/Informatik, Universit\u00e4t Kassel, D-34109 Kassel, Germany","institution_ids":["https://openalex.org/I106157433"]},{"raw_affiliation_string":"Fachbereich Mathematik/Informatik,  Universit\u00e4t Kassel, D\u201334109 Kassel, Germany","institution_ids":["https://openalex.org/I106157433"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5111446858"],"corresponding_institution_ids":["https://openalex.org/I106157433"],"apc_list":{"value":2690,"currency":"USD","value_usd":2690},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.19143279,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"240","issue":"2","first_page":"337","last_page":"378"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9904000163078308,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.9835000038146973,"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/morphism","display_name":"Morphism","score":0.9143375158309937},{"id":"https://openalex.org/keywords/alphabet","display_name":"Alphabet","score":0.7860127687454224},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.6161546111106873},{"id":"https://openalex.org/keywords/characterization","display_name":"Characterization (materials science)","score":0.6026897430419922},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6008232235908508},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5680919885635376},{"id":"https://openalex.org/keywords/regular-language","display_name":"Regular language","score":0.5665872097015381},{"id":"https://openalex.org/keywords/repetition","display_name":"Repetition (rhetorical device)","score":0.44841375946998596},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.446005254983902},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.35489124059677124},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3443586230278015},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.13887014985084534},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.13174676895141602},{"id":"https://openalex.org/keywords/automaton","display_name":"Automaton","score":0.07230278849601746}],"concepts":[{"id":"https://openalex.org/C137212723","wikidata":"https://www.wikidata.org/wiki/Q1948412","display_name":"Morphism","level":2,"score":0.9143375158309937},{"id":"https://openalex.org/C112876837","wikidata":"https://www.wikidata.org/wiki/Q837518","display_name":"Alphabet","level":2,"score":0.7860127687454224},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.6161546111106873},{"id":"https://openalex.org/C2780841128","wikidata":"https://www.wikidata.org/wiki/Q5073781","display_name":"Characterization (materials science)","level":2,"score":0.6026897430419922},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6008232235908508},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5680919885635376},{"id":"https://openalex.org/C52370388","wikidata":"https://www.wikidata.org/wiki/Q752532","display_name":"Regular language","level":3,"score":0.5665872097015381},{"id":"https://openalex.org/C2776141515","wikidata":"https://www.wikidata.org/wiki/Q1274479","display_name":"Repetition (rhetorical device)","level":2,"score":0.44841375946998596},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.446005254983902},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.35489124059677124},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3443586230278015},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.13887014985084534},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.13174676895141602},{"id":"https://openalex.org/C112505250","wikidata":"https://www.wikidata.org/wiki/Q787116","display_name":"Automaton","level":2,"score":0.07230278849601746},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","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},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","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/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0304-3975(99)00238-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0304-3975(99)00238-8","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:oai:CiteSeerX.psu:10.1.1.36.4717","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.36.4717","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://elba.db.informatik.uni-kassel.de/FG_TH/techreps/TR-97-2.ps","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5799999833106995,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1514324498","https://openalex.org/W1550216888","https://openalex.org/W1564690864","https://openalex.org/W1859552527","https://openalex.org/W1967890781","https://openalex.org/W1980116034","https://openalex.org/W1987010753","https://openalex.org/W2002089154","https://openalex.org/W2010769244","https://openalex.org/W2014324236","https://openalex.org/W2037721291","https://openalex.org/W2053683042","https://openalex.org/W2085056917","https://openalex.org/W4233828336","https://openalex.org/W4302339081"],"related_works":["https://openalex.org/W2952244080","https://openalex.org/W2996195527","https://openalex.org/W1481670130","https://openalex.org/W1573009738","https://openalex.org/W2585385885","https://openalex.org/W73622364","https://openalex.org/W4298247746","https://openalex.org/W106154156","https://openalex.org/W1974626062","https://openalex.org/W133066696"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}