{"id":"https://openalex.org/W2171737064","doi":"https://doi.org/10.3217/jucs-017-06-0874","title":"Descriptional Complexity of Ambiguity in Symmetric Difference NFAs","display_name":"Descriptional Complexity of Ambiguity in Symmetric Difference NFAs","publication_year":2011,"publication_date":"2011-03-28","ids":{"openalex":"https://openalex.org/W2171737064","doi":"https://doi.org/10.3217/jucs-017-06-0874","mag":"2171737064"},"language":"en","primary_location":{"id":"pmh:oai:zenodo.org:7001633","is_oa":true,"landing_page_url":"https://zenodo.org/record/7001633","pdf_url":"https://zenodo.org/record/7001633","source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"JUCS - Journal of Universal Computer Science 17((6)) 874-890","raw_type":"info:eu-repo/semantics/article"},"type":"article","indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://zenodo.org/record/7001633","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076118539","display_name":"Lynette van Zijl","orcid":"https://orcid.org/0000-0001-5735-0448"},"institutions":[{"id":"https://openalex.org/I26092322","display_name":"Stellenbosch University","ror":"https://ror.org/05bk57929","country_code":"ZA","type":"education","lineage":["https://openalex.org/I26092322"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Lynette Van Zijl","raw_affiliation_strings":["StellenBosch University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"StellenBosch University","institution_ids":["https://openalex.org/I26092322"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050494871","display_name":"Jaco Geldenhuys","orcid":"https://orcid.org/0000-0002-5636-6656"},"institutions":[{"id":"https://openalex.org/I26092322","display_name":"Stellenbosch University","ror":"https://ror.org/05bk57929","country_code":"ZA","type":"education","lineage":["https://openalex.org/I26092322"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Jaco Geldenhuys","raw_affiliation_strings":["StellenBosch University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"StellenBosch University","institution_ids":["https://openalex.org/I26092322"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I26092322"],"apc_list":null,"apc_paid":null,"fwci":0.6134,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.71735407,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"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/T11727","display_name":"Advanced Algebra and Logic","score":0.9876000285148621,"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/T12072","display_name":"Machine Learning and Algorithms","score":0.9847999811172485,"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/nondeterministic-finite-automaton","display_name":"Nondeterministic finite automaton","score":0.7608976364135742},{"id":"https://openalex.org/keywords/nondeterministic-algorithm","display_name":"Nondeterministic algorithm","score":0.6808218359947205},{"id":"https://openalex.org/keywords/ambiguity","display_name":"Ambiguity","score":0.630160927772522},{"id":"https://openalex.org/keywords/deterministic-finite-automaton","display_name":"Deterministic finite automaton","score":0.5958134531974792},{"id":"https://openalex.org/keywords/quantum-finite-automata","display_name":"Quantum finite automata","score":0.5696536898612976},{"id":"https://openalex.org/keywords/finite-state-machine","display_name":"Finite-state machine","score":0.5685253143310547},{"id":"https://openalex.org/keywords/finite-state","display_name":"Finite state","score":0.4903900623321533},{"id":"https://openalex.org/keywords/automaton","display_name":"Automaton","score":0.47957032918930054},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.47674381732940674},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.47490015625953674},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41704171895980835},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.37048161029815674},{"id":"https://openalex.org/keywords/automata-theory","display_name":"Automata theory","score":0.3168923854827881},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.18641799688339233},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.18324440717697144}],"concepts":[{"id":"https://openalex.org/C158008952","wikidata":"https://www.wikidata.org/wiki/Q617295","display_name":"Nondeterministic finite automaton","level":4,"score":0.7608976364135742},{"id":"https://openalex.org/C176181172","wikidata":"https://www.wikidata.org/wiki/Q3490301","display_name":"Nondeterministic algorithm","level":2,"score":0.6808218359947205},{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.630160927772522},{"id":"https://openalex.org/C104091681","wikidata":"https://www.wikidata.org/wiki/Q837528","display_name":"Deterministic finite automaton","level":3,"score":0.5958134531974792},{"id":"https://openalex.org/C174327141","wikidata":"https://www.wikidata.org/wiki/Q176837","display_name":"Quantum finite automata","level":4,"score":0.5696536898612976},{"id":"https://openalex.org/C167822520","wikidata":"https://www.wikidata.org/wiki/Q176452","display_name":"Finite-state machine","level":2,"score":0.5685253143310547},{"id":"https://openalex.org/C2983497884","wikidata":"https://www.wikidata.org/wiki/Q176452","display_name":"Finite state","level":3,"score":0.4903900623321533},{"id":"https://openalex.org/C112505250","wikidata":"https://www.wikidata.org/wiki/Q787116","display_name":"Automaton","level":2,"score":0.47957032918930054},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.47674381732940674},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.47490015625953674},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41704171895980835},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.37048161029815674},{"id":"https://openalex.org/C116248031","wikidata":"https://www.wikidata.org/wiki/Q214526","display_name":"Automata theory","level":3,"score":0.3168923854827881},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.18641799688339233},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.18324440717697144},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:zenodo.org:7001633","is_oa":true,"landing_page_url":"https://zenodo.org/record/7001633","pdf_url":"https://zenodo.org/record/7001633","source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"JUCS - Journal of Universal Computer Science 17((6)) 874-890","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.667.5695","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.667.5695","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.jucs.org/jucs_17_6/descriptional_complexity_of_ambiguity/jucs_17_06_0874_0890_vanzijl.pdf","raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:7001633","is_oa":true,"landing_page_url":"https://zenodo.org/record/7001633","pdf_url":"https://zenodo.org/record/7001633","source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"JUCS - Journal of Universal Computer Science 17((6)) 874-890","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"score":0.44999998807907104,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2171737064.pdf","grobid_xml":"https://content.openalex.org/works/W2171737064.grobid-xml"},"referenced_works_count":9,"referenced_works":["https://openalex.org/W62782445","https://openalex.org/W136845799","https://openalex.org/W1972814610","https://openalex.org/W1975246937","https://openalex.org/W1986204772","https://openalex.org/W1994584977","https://openalex.org/W2072102045","https://openalex.org/W2079577017","https://openalex.org/W2093294649"],"related_works":["https://openalex.org/W1851980922","https://openalex.org/W2154291721","https://openalex.org/W2900445492","https://openalex.org/W2965171763","https://openalex.org/W2798684825","https://openalex.org/W3099803027","https://openalex.org/W2096694877","https://openalex.org/W3127973046","https://openalex.org/W2506511039","https://openalex.org/W3194241472","https://openalex.org/W2771635306","https://openalex.org/W128863358","https://openalex.org/W3125900636","https://openalex.org/W3120239793","https://openalex.org/W3128573148","https://openalex.org/W2949111314","https://openalex.org/W3158485464","https://openalex.org/W2941439348","https://openalex.org/W2770127456","https://openalex.org/W3193754789"],"abstract_inverted_index":{"Abstract:":[0],"We":[1,10,28],"investigate":[2],"ambiguity":[3],"for":[4,31],"symmetric":[5,23],"difference":[6,24],"nondeterministic":[7,25],"finite":[8,26,43,51],"automata.":[9,27],"show":[11,29],"the":[12,47],"existence":[13],"of":[14,33,40],"unambiguous,":[15],"finitely":[16],"ambiguous,":[17],"polynomially":[18],"ambiguous":[19,22],"and":[20],"exponentially":[21],"that,":[30],"each":[32],"these":[34],"classes,":[35],"there":[36],"is":[37],"a":[38],"family":[39],"n-state":[41],"nondeter-ministic":[42],"automata":[44,52],"such":[45],"that":[46],"smallest":[48],"equivalent":[49],"deterministic":[50],"have":[53],"O(2n)":[54],"states.":[55]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-09-01T08:31:24.195828","created_date":"2016-06-24T00:00:00"}
