{"id":"https://openalex.org/W2016601857","doi":"https://doi.org/10.1145/800169.805431","title":"Properties of deterministic top down grammars","display_name":"Properties of deterministic top down grammars","publication_year":1969,"publication_date":"1969-01-01","ids":{"openalex":"https://openalex.org/W2016601857","doi":"https://doi.org/10.1145/800169.805431","mag":"2016601857"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1145/800169.805431","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-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/A5009388396","display_name":"Daniel J. Rosenkrantz","orcid":"https://orcid.org/0000-0002-7044-0197"},"institutions":[{"id":"https://openalex.org/I4210152464","display_name":"General Electric (Switzerland)","ror":"https://ror.org/05tj5za17","country_code":"CH","type":"company","lineage":["https://openalex.org/I1332737386","https://openalex.org/I4210152464"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"D. J. Rosenkrantz","raw_affiliation_strings":["General Electric Research & Development Center Schenectady, N. Y."],"affiliations":[{"raw_affiliation_string":"General Electric Research & Development Center Schenectady, N. Y.","institution_ids":["https://openalex.org/I4210152464"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052202085","display_name":"Richard E. Stearns","orcid":"https://orcid.org/0000-0001-5058-1999"},"institutions":[{"id":"https://openalex.org/I4210152464","display_name":"General Electric (Switzerland)","ror":"https://ror.org/05tj5za17","country_code":"CH","type":"company","lineage":["https://openalex.org/I1332737386","https://openalex.org/I4210152464"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"R. E. Stearns","raw_affiliation_strings":["General Electric Research & Development Center Schenectady, N. Y."],"affiliations":[{"raw_affiliation_string":"General Electric Research & Development Center Schenectady, N. Y.","institution_ids":["https://openalex.org/I4210152464"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.949,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":27,"citation_normalized_percentile":{"value":0.855072,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":92},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.9999,"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":0.9999,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.9976,"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/T11269","display_name":"Algorithms and Data Compression","score":0.9939,"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":[],"concepts":[{"id":"https://openalex.org/C53893814","wikidata":"https://www.wikidata.org/wiki/Q7378909","display_name":"Rule-based machine translation","level":2,"score":0.7201536},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.70959765},{"id":"https://openalex.org/C67621940","wikidata":"https://www.wikidata.org/wiki/Q3113340","display_name":"L-attributed grammar","level":4,"score":0.48222646},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.36111236},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.34882903},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.33123088},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.32716134},{"id":"https://openalex.org/C97212296","wikidata":"https://www.wikidata.org/wiki/Q338047","display_name":"Context-free grammar","level":3,"score":0.31716245}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1145/800169.805431","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.77,"display_name":"Quality education"}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":7,"referenced_works":["https://openalex.org/W1968793257","https://openalex.org/W2010117085","https://openalex.org/W2020570874","https://openalex.org/W2048808408","https://openalex.org/W2064490449","https://openalex.org/W2545845195","https://openalex.org/W2797656628"],"related_works":["https://openalex.org/W3038076697","https://openalex.org/W3015167630","https://openalex.org/W2911319454","https://openalex.org/W2336577598","https://openalex.org/W2126015313","https://openalex.org/W2123779329","https://openalex.org/W2092042102","https://openalex.org/W2085190866","https://openalex.org/W1997090502","https://openalex.org/W131152816"],"abstract_inverted_index":{"The":[0],"class":[1],"of":[2,20,34,57,74,78,87,103],"context":[3,48],"free":[4,49],"grammars":[5,28],"that":[6,62,99,109,117],"can":[7,64],"be":[8,65],"deterministically":[9],"parsed":[10],"in":[11],"a":[12,17,40,47,54,83,88],"top":[13],"down":[14],"manner":[15],"with":[16],"fixed":[18],"amount":[19,33],"look-ahead":[21,35],"is":[22,31,42,51,60,85,97,115,121],"investigated.":[23],"These":[24],"grammars,":[25],"called":[26],"LL(k)":[27,52,69,94,112,124],"where":[29],"k":[30,79,104],"the":[32,72,76,118],"are":[36,106,110,128],"first":[37],"defined":[38],"and":[39,82],"procedure":[41],"given":[43,55,86],"for":[44,53,92,100,123],"determining":[45],"if":[46],"grammar":[50],"value":[56,77,102],"k.":[58],"It":[59,96,114],"shown":[61,98,116],"e-rules":[63],"eliminated":[66],"from":[67],"an":[68],"grammar,":[70],"at":[71],"cost":[73],"increasing":[75],"by":[80],"one,":[81],"description":[84],"canonical":[89],"pushdown":[90],"machine":[91],"recognizing":[93],"languages.":[95,113],"each":[101],"there":[105],"LL(k+l)":[107],"languages":[108],"not":[111],"equivalence":[119],"problem":[120],"decidable":[122],"grammars.":[125],"Additional":[126],"properties":[127],"also":[129],"given.":[130]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2016601857","counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":4},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":4}],"updated_date":"2025-01-12T05:01:42.276923","created_date":"2016-06-24"}