{“id”:“https://openalex.org/W2028072917“,”doi“:”https://doi.org/10.1016/0304-3975(79)90024-0“,”title“:”On equivalence of grammars through transformation trees“,”display_name“:”On equivality of grammar through transformation trees”,“publication_year”:1979,“publitation_date”:“1979-08-01”,“ids”:{“openalex”:“https://openalex.org/W2028072917“,”doi“:”https://doi.org/10.1016/0304-3975(79)90024-0“,”mag“:”2028072917“},”language“:”en“,”primary_location“:{”is_oa“:true,”landing_page_url“:”https://doi.org/10.1016/0304-3975(79)90024-0“,”pdf_url“:空,”源“:{”id“:”https://openalex.org/S90727058“,”display_name“:”理论计算机科学“,”issn_l“:”0304-3975“,”isn“:[”0304-975“,”1879-2294“],”is_oa“:false,”is_in_doaj“:false,”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”:“publisher-specific-oa”,“licence_id”:“https://openalex.org/licenses/publisher-specific-oa“,”version“:”publishedVersion“,”is_accepted“:true,”is_published“:true},”type“:”article“,”type_crossref“:“journal-article”,”indexed_in“:[”crossref“],”open_access“:{”is_oa“:true,”oa_status“:”青铜“,”oa_url“:”https://doi.org/10.1016/0304-3975(79)90024-0“,”any_repository_has_fulltext“:false},”authorships“:[{”author_position“:”first“,”auther“:{”id“:”https://openalex.org/A504854124“,”display_name“:”Michael A.Harrison“,”orcid“:null},”institutions“:[{”id“:”https://openalex.org/I95457486“,”display_name“:”加州大学伯克利分校“,”ror“:”https://ror.org/01an7q238“,”country_code“:”US“,”type“:“教育”,”世系“:[”https://openalex.org/I95457486“]}],”国家“:[”美国“],”is_corresponding“:false,”raw_author_name“:”迈克尔·A·哈里森“,”raw_affiation_strings“:[”美国加州大学伯克利分校计算机科学部“],”附属机构“:[{”raw_affiation_string“:”美国加州大学伯克利分校计算机科学部“,”institution_ids“:[”https://openalex.org/I95457486“]}]},{”author_position“:”middle“,”author“:{”id“:”https://openalex.org/A5013596090“,”display_name“:”Ivan M.Havel“,”orcid“:null},”institutions“:[{”id“:”https://openalex.org/I95457486“,”display_name“:”加州大学伯克利分校“,”ror“:”https://ror.org/01an7q238“,”country_code“:”US“,”type“:“教育”,”世系“:[”https://openalex.org/I95457486“]}],”countries“:[”US“],”is_corresponding“:false,”raw_author_name“:”Ivan M.Havel“,”raw _affiliation_strings“:【”加利福尼亚大学伯克利分校计算机科学部“】,”affiliations“:[{”raw _affiliation_string“:”加州大学伯克利校区计算机科学部https://openalex.org/I95457486“]}]},{”author_position“:”last“,”author“:{”id“:”https://openalex.org/A5030960039“,”display_name“:”Amiram Yehudai“,”orcid“:null},”institutions“:[{”id“:”https://openalex.org/I95457486“,”display_name“:”加州大学伯克利分校“,”ror“:”https://ror.org/01an7q238“,”country_code“:”US“,”type“:“教育”,”世系“:[”https://openalex.org/I95457486“]}],”国家“:[”美国“],”is_corresponding“:false,”raw_author_name“:”Amiram Yehudai“,”raw _ afiliation_strings“:[“美国加州大学伯克利分校计算机科学部”],”affiliations“:[{”raw_ afiliation _string“:”美国加州大学柏克莱分校计算机科学科”,“institution_ids”:[“https://openalex.org/I95457486“]}]}],”countries_distinct_count“:1,”institutions_disting_count”:1,“corresponding_author_ids”:[],”correspounding_institution_ids“:[]”,“apc_list”:{“value”:2690,“currency”:“USD”,“value_USD”:2680,“provenance”:“doaj”},“apc _payd”:null,“has_fulltext”:true,“fulltext_origin”:“ngrams”,“cited_by_count):47,“cited_by_percentile_year“:{”最小值“:94,”最大值“:95},”biblio“:{”volume“:”9“,”issue“:”2“,”first_page“:”173“,”last_page“:“205”}“is_retracted”:false,“is_paratext”:false,“primary_topic”:{“id”:“https://openalex.org/T11567“,”display_name“:”自动机理论与形式语言“,”score“:0.9999,”subfield“:{”id“:”https://openalex.org/subfields/1703“,”display_name“:”计算理论与数学“},”字段“:{”id“:”https://openalex.org/fields/17“,”display_name“:”Computer Science“},”domain“:{”id“:”https://openalex.org/domains/3“,”display_name“:”物理科学“}},”主题“:[{”id“:”https://openalex.org/T11567“,”display_name“:”自动机理论与形式语言“,”score“:0.9999,”subfield“:{”id“:”https://openalex.org/subfields/1703“,”display_name“:”计算理论与数学“},”字段“:{”id“:”https://openalex.org/fields/17“,”display_name“:”Computer Science“},”domain“:{”id“:”https://openalex.org/domains/3“,”display_name“:”物理科学“}},{”id“:”https://openalex.org/T10181“,”display_name“:”统计机器翻译和自然语言处理“,”score“:0.9994,”subfield“:{”id“:”https://openalex.org/subfields/1702“,”display_name“:”人工智能“},”字段“:{”id“:”https://openalex.org/fields/17“,”display_name“:”Computer Science“},”domain“:{”id“:”https://openalex.org/domains/3“,”display_name“:”物理科学“}},{”id“:”https://openalex.org/T11269“,”display_name“:”文本压缩和索引算法“,”score“:0.9962,”subfield“:{”id“:”https://openalex.org/subfields/1702“,”display_name“:”人工智能“},”字段“:{”id“:”https://openalex.org/fields/17“,”display_name“:”Computer Science“},”domain“:{”id“:”https://openalex.org/domains/3“,”display_name“:”物理科学“}}],”关键词“:[{”id“:”https://openalex.org/keywords/syntax-based-translation-models网站“,”display_name“:”基于句法的翻译模型“,”score“:0.499629}],”concepts“:[{”id“:”https://openalex.org/C2780069185,“wikidata”:https://www.wikidata.org/wiki/Q7977945“,”display_name“:”等价(形式语言)“,”level“:2,”score“:0.79021746},{”id“:”https://openalex.org/C153269930,“wikidata”:https://www.wikidata.org/wiki/Q430001“,”display_name“:”Decidability“,”level“:2,”score“:0.7633537},{”id“:”https://openalex.org/C97212296,“wikidata”:https://www.wikidata.org/wiki/Q338047“,”display_name“:”上下文无关语法“,”level“:3,”score“:0.6105671},{”id“:”https://openalex.org/C74919329,“wikidata”:https://www.wikidata.org/wiki/Q378713“,”display_name“:”确定性下推自动机“,”level“:5,”score“:0.607697},{”id“:”https://openalex.org/C33923547,“wikidata”:https://www.wikidata.org/wiki/Q395“,”display_name“:”数学“,”等级“:0,”分数“:0.58368546},{”id“:”https://openalex.org/C53893814,“wikidata”:https://www.wikidata.org/wiki/Q7378909“,”display_name“:”基于规则的机器翻译“,”level“:2,”score“:0.46827412},{”id“:”https://openalex.org/C2780586882,“wikidata”:https://www.wikidata.org/wiki/Q7520643“,”display_name“:”Simple(哲学)“,”level“:2,”score“:0.45459417},{”id“:”https://openalex.org/C198838072,“wikidata”:https://www.wikidata.org/wiki/Q729271“,”display_name“:”上下文无关语言“,”level“:3,”score“:0.44310358},{”id“:”https://openalex.org/C204241405,“wikidata”:https://www.wikidata.org/wiki/Q461499“,”display_name“:”Transformation(genetics)“,”level“:3,”score“:0.43881407},{”id“:”https://openalex.org/C70846408,“wikidata”:https://www.wikidata.org/wiki/Q220433“,”display_name“:”逻辑等价“,”level“:3,”score“:0.43695143},{”id“:”https://openalex.org/C134083981,“wikidata”:https://www.wikidata.org/wiki/Q1754022“,”“display_name”“:”树连接语法“,”级别“:4,”分数“:0.41370547},{”id“:”https://openalex.org/C177638518,“wikidata”:https://www.wikidata.org/wiki/Q3435975“,”display_name“:”确定性上下文无关语法“,”level“:5,”score“:0.41124016},{”id“:”https://openalex.org/C41008148,“wikidata”:https://www.wikidata.org/wiki/Q21198(网址:https://www.wikidata.org/wiki/Q21198)“,”display_name“:”计算机科学“,”level“:0,”score“:0.3820534},{”id“:”https://openalex.org/C118615104,“wikidata”:https://www.wikidata.org/wiki/Q121416“,”display_name“:”离散数学“,”level“:1,”score“:0.3602112},{”id“:”https://openalex.org/C136119220,“wikidata”:https://www.wikidata.org/wiki/Q1000660“,”display_name“:”字段上的代数“,”level“:2,”score“:0.34040684},{”id“:”https://openalex.org/C80444323,“wikidata”:https://www.wikidata.org/wiki/Q2878974“,”display_name“:”理论计算机科学“,”level“:1,”score“:0.30207774},{”id“:”https://openalex.org/C202444582,“wikidata”:https://www.wikidata.org/wiki/Q837863“,”display_name“:”纯数学“,”level“:1,”score“:0.15817091},{”id“:”https://openalex.org/C112505250,“wikidata”:https://www.wikidata.org/wiki/Q787116“,”display_name“:”Automaton“,”level“:2,”score“:0.15774372},{”id“:”https://openalex.org/C154945302,“wikidata”:https://www.wikidata.org/wiki/Q11660“,”display_name“:”人工智能“,”level“:1,”score“:0.15175703},{”id“:”https://openalex.org/C116248031,“wikidata”:https://www.wikidata.org/wiki/Q214526“,”display_name“:”自动机理论“,”level“:3,”score“:0.07665259},{”id“:”https://openalex.org/C158008952,“wikidata”:https://www.wikidata.org/wiki/Q617295“,”display_name“:”非确定性有限自动机“,”level“:4,”score“:0.06260279},{”id“:”https://openalex.org/C138885662,“wikidata”:https://www.wikidata.org/wiki/Q5891“,”display_name“:”哲学“,”等级“:0,”分数“:0.0},{”id“:”https://openalex.org/C55493867,“wikidata”:https://www.wikidata.org/wiki/Q7094“,”display_name“:”生物化学“,”level“:1,”score“:0.0},{”id“:”https://openalex.org/C185592680,“wikidata”:https://www.wikidata.org/wiki/Q2329“,”display_name“:”Chemistry“,”level“:0,”score“:0.0},{”id“:”https://openalex.org/C111472728,“wikidata”:https://www.wikidata.org/wiki/Q9471“,”display_name“:”认识论“,”level“:1,”score“:0.0},{”id“:”https://openalex.org/C104317684,“wikidata”:https://www.wikidata.org/wiki/Q7187“,”display_name“:”Gene“,”level“:2,”score“:0.0}],”mesh“:[],”locations_count“:1,”location“:[{”is_oa“:true,”landing_page_url“:”https://doi.org/10.1016/0304-3975(79)90024-0“,”pdf_url“:空,”源“:{”id“:”https://openalex.org/S90727058“,”display_name“:”理论计算机科学“,”issn_l“:”0304-3975“,”isn“:[”0304-975“,”1879-2294“],”is_oa“:false,”is_in_doaj“:false,”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”:“publisher-specific-oa”,“licence_id”:“https://openalex.org/licenses/publisher-specific-oa“,”version“:”publishedVersion“,”is_accepted“:true,”is_published“:true}],”best_oa_location“:{”is_oa“:true,”landing_page_url“:”https://doi.org/10.1016/0304-3975(79)90024-0“,”pdf_url“:空,”源“:{”id“:”https://openalex.org/S90727058“,”display_name“:”理论计算机科学“,”issn_l“:”0304-3975“,”isn“:[”0304-975“,”1879-2294“],”is_oa“:false,”is_in_doaj“:false,”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”:“publisher-specific-oa”,“licence_id”:“https://openalex.org/licenses/publisher-specific-oa“,”version“:”publishedVersion“,”is_accepted“:true,”is_published“:true},”sustainable_development_goals“:[{”id“:”https://metadata.un.org/sdg/4“,”score“:0.53,”display_name“:”Quality education“}],”grants“:[],”datasets“:[],”versions“:[】,”referenced_works_count“:19,”referrenced_works“:【”https://openalex.org/W1562818191","https://openalex.org/W1968127341","https://openalex.org/W2010117085","https://openalex.org/W2011725207","https://openalex.org/W2020570874","https://openalex.org/W2023090947","https://openalex.org/W2024987067","https://openalex.org/W2030400253","https://openalex.org/W2037633950","https://openalex.org/W2041168146","https://openalex.org/W2070015363","https://openalex.org/W2072170850","https://openalex.org/W2073820836","https://openalex.org/W2078050093","https://openalex.org/W2094274619","https://openalex.org/W2115082275","https://openalex.org/W2545845195","https://openalex.org/W2592184324","https://openalex.org/W4301662502“],”related_works“:[”https://openalex.org/W2472752294","https://openalex.org/W2403684796","https://openalex.org/W2116448069","https://openalex.org/W2089141720","https://openalex.org/W2074593591","https://openalex.org/W2068249429","https://openalex.org/W2067895928","https://openalex.org/W1602383402","https://openalex.org/W1528518006","https://openalex.org/W1486486721网址“],”ngrams_url“:”https://api.openalex.org/works/W2028072917/ngrams”,“abstract_inverted_index”:{“一”:[0],“方法”:[1,24],“到”:[2,50],“解决”:[3],“the”:[4,16,37,40,52],“等价”:[5,41,53],“问题”:[6,42,54],“for”:[7,43,55],“certain”:[8],“familys”:[9],“of”:[10,18,36,39,62],“context”:[11,58],“free”:[12,59],“languages”:[13],“is”:[14,47,64],“through”:[15],“use”:[17],“\u2018transformation”:[19],“trees\u2019.“:[20],”我们“:[21],”探索“:[22],”这个“:[23],”在“:[25],”一般。“:[26],”The“:[27],”methods“:[28],”developed“:[29],”provide“:[30],”a“:[31],”clear“:[32],”and“:[33],”complete“:[34],”roof“:[35],”decidability“:[38],”\u2018simple\u2019“:[44],”languages。“:[45],”It“:[46],”shown“:[48],”how“:[49],”decide“:[51],”two“:[56],”确定性“:[57],”languages,“:[60],”one“:[61],”which“:[63],”simple“。“:[65]},”cited_by_api_url“:”https://api.openalex.org/works?filter=cites:W2028072917“,”counts_by_year“:[{”年份“:2017,”cited_by_count“:1},{”年度“:2015,”cited_by_count”:4},“年份”:2013,”citecd_by_count“:1}],”updated_date“:”2024-06-17T18:30:43.637014“,”created_dates“:”2016-06-24“}