{"id":"https://openalex.org/W159651414","doi":"https://doi.org/10.3233/fi-2011-541","title":"Two-Way Reversible Multi-Head Finite Automata","display_name":"Two-Way Reversible Multi-Head Finite Automata","publication_year":2011,"publication_date":"2011-01-01","ids":{"openalex":"https://openalex.org/W159651414","doi":"https://doi.org/10.3233/fi-2011-541","mag":"159651414"},"language":"en","primary_location":{"id":"doi:10.3233/fi-2011-541","is_oa":false,"landing_page_url":"https://doi.org/10.3233/fi-2011-541","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/A5019242250","display_name":"Kenichi Morita","orcid":"https://orcid.org/0000-0002-9833-0539"},"institutions":[{"id":"https://openalex.org/I113306721","display_name":"Hiroshima University","ror":"https://ror.org/03t78wx29","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Kenichi Morita","raw_affiliation_strings":["Department of Information Engineering, Hiroshima University, Higashi-Hiroshima, 739-8527, Japan. morita@iec.hiroshima-u.ac.jp","(Correspd.) Department of Information Engineering, Hiroshima University, Higashi-Hiroshima, 739-8527, Japan. morita@iec.hiroshima-u.ac.jp#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information Engineering, Hiroshima University, Higashi-Hiroshima, 739-8527, Japan. morita@iec.hiroshima-u.ac.jp","institution_ids":["https://openalex.org/I113306721"]},{"raw_affiliation_string":"(Correspd.) Department of Information Engineering, Hiroshima University, Higashi-Hiroshima, 739-8527, Japan. morita@iec.hiroshima-u.ac.jp#TAB#","institution_ids":["https://openalex.org/I113306721"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5019242250"],"corresponding_institution_ids":["https://openalex.org/I113306721"],"apc_list":null,"apc_paid":null,"fwci":2.6087,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.8865617,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"110","issue":"1-4","first_page":"241","last_page":"254"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":1.0,"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":1.0,"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":0.9997000098228455,"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/T11269","display_name":"Algorithms and Data Compression","score":0.9991999864578247,"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/head","display_name":"Head (geology)","score":0.6676775217056274},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5783481597900391},{"id":"https://openalex.org/keywords/nondeterministic-finite-automaton","display_name":"Nondeterministic finite automaton","score":0.4786854386329651},{"id":"https://openalex.org/keywords/automaton","display_name":"Automaton","score":0.4511432647705078},{"id":"https://openalex.org/keywords/deterministic-finite-automaton","display_name":"Deterministic finite automaton","score":0.43960660696029663},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3289065659046173},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3224451541900635},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.29402095079421997},{"id":"https://openalex.org/keywords/automata-theory","display_name":"Automata theory","score":0.29152911901474},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.08119267225265503}],"concepts":[{"id":"https://openalex.org/C2780312720","wikidata":"https://www.wikidata.org/wiki/Q5689100","display_name":"Head (geology)","level":2,"score":0.6676775217056274},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5783481597900391},{"id":"https://openalex.org/C158008952","wikidata":"https://www.wikidata.org/wiki/Q617295","display_name":"Nondeterministic finite automaton","level":4,"score":0.4786854386329651},{"id":"https://openalex.org/C112505250","wikidata":"https://www.wikidata.org/wiki/Q787116","display_name":"Automaton","level":2,"score":0.4511432647705078},{"id":"https://openalex.org/C104091681","wikidata":"https://www.wikidata.org/wiki/Q837528","display_name":"Deterministic finite automaton","level":3,"score":0.43960660696029663},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3289065659046173},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3224451541900635},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.29402095079421997},{"id":"https://openalex.org/C116248031","wikidata":"https://www.wikidata.org/wiki/Q214526","display_name":"Automata theory","level":3,"score":0.29152911901474},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.08119267225265503},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3233/fi-2011-541","is_oa":false,"landing_page_url":"https://doi.org/10.3233/fi-2011-541","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"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.550000011920929,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1530104041","https://openalex.org/W1968302689","https://openalex.org/W1985604029","https://openalex.org/W1985677568","https://openalex.org/W1998896169","https://openalex.org/W2019506584","https://openalex.org/W2032744775","https://openalex.org/W2045758449","https://openalex.org/W2054801208","https://openalex.org/W2105259569","https://openalex.org/W2136462002","https://openalex.org/W2912120411"],"related_works":["https://openalex.org/W3143588635","https://openalex.org/W72746997","https://openalex.org/W2118296037","https://openalex.org/W1560450186","https://openalex.org/W2526832938","https://openalex.org/W2030569822","https://openalex.org/W2115419634","https://openalex.org/W1983100634","https://openalex.org/W2772918710","https://openalex.org/W2243509623"],"abstract_inverted_index":{"A":[0,65],"two-way":[1],"reversible":[2,14],"multi-head":[3],"finite":[4],"automaton":[5],"(RMFA)":[6],"is":[7,21,61,76],"introduced":[8],"as":[9],"a":[10,39,62,69,73],"simple":[11],"model":[12],"of":[13,56,68],"computing,":[15],"and":[16,30],"its":[17],"language":[18,54],"accepting":[19],"capability":[20],"studied.":[22],"We":[23],"show":[24],"that":[25,51],"various":[26],"non-regular":[27],"context-free":[28],"languages,":[29],"non-context-free":[31],"context-sensitive":[32],"languages":[33],"are":[34],"accepted":[35],"by":[36],"RMFAs":[37],"with":[38,48],"few":[40],"heads.":[41],"For":[42],"example,":[43],"we":[44],"give":[45],"an":[46],"RMFA":[47,71],"three":[49],"heads":[50],"accepts":[52],"the":[53],"consisting":[55],"all":[57],"words":[58],"whose":[59],"length":[60],"prime":[63],"number.":[64],"construction":[66],"method":[67],"garbage-less":[70],"from":[72],"given":[74],"RFMA":[75],"also":[77],"shown.":[78]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":2}],"updated_date":"2026-05-02T06:04:40.494371","created_date":"2025-10-10T00:00:00"}