{"id":"https://openalex.org/W2043507528","doi":"https://doi.org/10.1016/0022-0000(81)90039-8","title":"Number of quantifiers is better than number of tape cells","display_name":"Number of quantifiers is better than number of tape cells","publication_year":1981,"publication_date":"1981-06-01","ids":{"openalex":"https://openalex.org/W2043507528","doi":"https://doi.org/10.1016/0022-0000(81)90039-8","mag":"2043507528"},"language":"en","primary_location":{"id":"doi:10.1016/0022-0000(81)90039-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0022-0000(81)90039-8","pdf_url":null,"source":{"id":"https://openalex.org/S141020589","display_name":"Journal of Computer and System Sciences","issn_l":"0022-0000","issn":["0022-0000","1090-2724"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computer and System Sciences","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/A5053065200","display_name":"Neil Immerman","orcid":"https://orcid.org/0000-0001-6609-5952"},"institutions":[{"id":"https://openalex.org/I121934306","display_name":"Tufts University","ror":"https://ror.org/05wvpxv85","country_code":"US","type":"education","lineage":["https://openalex.org/I121934306"]},{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Neil Immerman","raw_affiliation_strings":["Department of Mathematics, Tufts University, Medford, Massachusetts 02155, USA","Laboratory for Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Tufts University, Medford, Massachusetts 02155, USA","institution_ids":["https://openalex.org/I121934306"]},{"raw_affiliation_string":"Laboratory for Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA","institution_ids":["https://openalex.org/I63966007"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5053065200"],"corresponding_institution_ids":["https://openalex.org/I121934306","https://openalex.org/I63966007"],"apc_list":{"value":2520,"currency":"USD","value_usd":2520},"apc_paid":null,"fwci":5.232,"has_fulltext":false,"cited_by_count":173,"citation_normalized_percentile":{"value":0.96049852,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"22","issue":"3","first_page":"384","last_page":"406"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.9995999932289124,"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":0.9995999932289124,"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/T11269","display_name":"Algorithms and Data Compression","score":0.9990000128746033,"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/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.9987999796867371,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6599645614624023},{"id":"https://openalex.org/keywords/measure","display_name":"Measure (data warehouse)","score":0.6299502849578857},{"id":"https://openalex.org/keywords/predicate","display_name":"Predicate (mathematical logic)","score":0.6086678504943848},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.575289785861969},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.536965012550354},{"id":"https://openalex.org/keywords/property","display_name":"Property (philosophy)","score":0.4885619580745697},{"id":"https://openalex.org/keywords/dspace","display_name":"DSPACE","score":0.42946070432662964},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.26331591606140137},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.17290723323822021},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.09296071529388428},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.09163999557495117}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6599645614624023},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.6299502849578857},{"id":"https://openalex.org/C140146324","wikidata":"https://www.wikidata.org/wiki/Q1144319","display_name":"Predicate (mathematical logic)","level":2,"score":0.6086678504943848},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.575289785861969},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.536965012550354},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.4885619580745697},{"id":"https://openalex.org/C38264464","wikidata":"https://www.wikidata.org/wiki/Q1155722","display_name":"DSPACE","level":2,"score":0.42946070432662964},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.26331591606140137},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.17290723323822021},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.09296071529388428},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.09163999557495117},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/0022-0000(81)90039-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0022-0000(81)90039-8","pdf_url":null,"source":{"id":"https://openalex.org/S141020589","display_name":"Journal of Computer and System Sciences","issn_l":"0022-0000","issn":["0022-0000","1090-2724"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computer and System Sciences","raw_type":"journal-article"},{"id":"pmh:oai:ecommons.cornell.edu:1813/6250","is_oa":false,"landing_page_url":"https://hdl.handle.net/1813/6250","pdf_url":null,"source":{"id":"https://openalex.org/S4306400757","display_name":"eCommons (Cornell University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"technical report"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1555138513","https://openalex.org/W1556844982","https://openalex.org/W1982347904","https://openalex.org/W1989887898","https://openalex.org/W2026191634","https://openalex.org/W2059657394","https://openalex.org/W2062934582","https://openalex.org/W2063414745","https://openalex.org/W2065251436","https://openalex.org/W2073700765","https://openalex.org/W2081608347","https://openalex.org/W2085536555","https://openalex.org/W2088141885","https://openalex.org/W2105505307","https://openalex.org/W2317459460","https://openalex.org/W3127113455","https://openalex.org/W4235934183","https://openalex.org/W6633400801","https://openalex.org/W6647847927","https://openalex.org/W6656927764","https://openalex.org/W6666367010","https://openalex.org/W6668861670","https://openalex.org/W6789738865","https://openalex.org/W6822517396"],"related_works":["https://openalex.org/W2623591530","https://openalex.org/W2023287903","https://openalex.org/W2126606201","https://openalex.org/W2382624075","https://openalex.org/W2160185143","https://openalex.org/W2381483792","https://openalex.org/W2386113899","https://openalex.org/W2281138998","https://openalex.org/W74330007","https://openalex.org/W2384831866"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":9},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":12}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}