{"id":"https://openalex.org/W3029945728","doi":"https://doi.org/10.25596/jalc-2020-037","title":"General CD Grammar Systems and Their Simplification","display_name":"General CD Grammar Systems and Their Simplification","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3029945728","doi":"https://doi.org/10.25596/jalc-2020-037","mag":"3029945728"},"language":"en","primary_location":{"id":"doi:10.25596/jalc-2020-037","is_oa":true,"landing_page_url":"https://doi.org/10.25596/jalc-2020-037","pdf_url":null,"source":{"id":"https://openalex.org/S7407052944","display_name":"Justus-Liebig-Universit\u00e4t Gie\u00dfen","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.25596/jalc-2020-037","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5071667825","display_name":"Radim Kocman","orcid":"https://orcid.org/0000-0002-5082-7861"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kocman, Radim","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077343329","display_name":"Zbyn\u011bk K\u0159ivka","orcid":"https://orcid.org/0000-0001-8309-0280"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"K\u0159ivka, Zbyn\u011bk","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5009693719","display_name":"Alexander Meduna","orcid":"https://orcid.org/0000-0002-2341-0606"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Meduna, Alexander","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.05505038,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.9961000084877014,"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"}},"topics":[{"id":"https://openalex.org/T10181","display_name":"Natural Language Processing Techniques","score":0.9961000084877014,"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9038000106811523,"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/grammar","display_name":"Grammar","score":0.5836796760559082},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.5282441973686218},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.47922852635383606},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.3587493896484375},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3465360999107361},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.1665915846824646}],"concepts":[{"id":"https://openalex.org/C26022165","wikidata":"https://www.wikidata.org/wiki/Q8091","display_name":"Grammar","level":2,"score":0.5836796760559082},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.5282441973686218},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.47922852635383606},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.3587493896484375},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3465360999107361},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.1665915846824646}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.25596/jalc-2020-037","is_oa":true,"landing_page_url":"https://doi.org/10.25596/jalc-2020-037","pdf_url":null,"source":{"id":"https://openalex.org/S7407052944","display_name":"Justus-Liebig-Universit\u00e4t Gie\u00dfen","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.25596/jalc-2020-037","is_oa":true,"landing_page_url":"https://doi.org/10.25596/jalc-2020-037","pdf_url":null,"source":{"id":"https://openalex.org/S7407052944","display_name":"Justus-Liebig-Universit\u00e4t Gie\u00dfen","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.7400000095367432,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2962171133","https://openalex.org/W2911830436","https://openalex.org/W2144734202","https://openalex.org/W2505368052","https://openalex.org/W124383316","https://openalex.org/W2795935666","https://openalex.org/W580070092","https://openalex.org/W301768905","https://openalex.org/W1970873023","https://openalex.org/W2913286805","https://openalex.org/W2264982817","https://openalex.org/W2948196053","https://openalex.org/W2211538434","https://openalex.org/W2785882316","https://openalex.org/W3023931540","https://openalex.org/W1985375925","https://openalex.org/W83930524","https://openalex.org/W2504337184","https://openalex.org/W2579703482","https://openalex.org/W2244903783"],"abstract_inverted_index":{"The":[0],"present":[1],"paper":[2,33,113],"studies":[3],"general":[4,11,42,47],"CD":[5,48],"grammar":[6,49],"systems,":[7],"whose":[8],"components":[9],"are":[10,15],"grammars,":[12],"so":[13],"they":[14,125],"computationally":[16],"complete,":[17],"and":[18,27,55,78,101,110,122,132],"it":[19],"investigates":[20],"them":[21],"working":[22],"under":[23],"the":[24,32,60,65,73,83,89,96,112,123],"$*$":[25],"mode":[26],"$t$":[28],"mode.":[29],"Most":[30],"importantly,":[31],"presents":[34],"two":[35,70,93],"types":[36],"of":[37,63,72,86,95,129],"transformations":[38,87],"that":[39],"turn":[40],"arbitrary":[41],"grammars":[43],"into":[44],"equivalent":[45],"two-component":[46],"systems":[50,121],"with":[51,69,92],"a":[52,56],"context-free":[53],"component":[54,67,91],"non-context-free":[57,66,90],"component.":[58],"From":[59],"first":[61],"type":[62,85],"transformations,":[64],"results":[68],"rules":[71,94],"form":[74,97],"$11":[75,98],"\\rightarrow":[76,80,99,103],"00$":[77,100],"$0000":[79,102],"\\varepsilon$,":[81],"while":[82],"other":[84,116],"produces":[88],"2222$.":[104],"Apart":[105],"from":[106],"this":[107,136],"significant":[108],"reduction":[109],"simplification,":[111],"describes":[114],"several":[115,130],"useful":[117],"properties":[118],"concerning":[119],"these":[120],"way":[124],"work.":[126],"A":[127],"formulation":[128],"remarks":[131],"open":[133],"problems":[134],"closes":[135],"paper.":[137]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2020-06-05T00:00:00"}
