{"id":"https://openalex.org/W4236796471","doi":"https://doi.org/10.1016/0196-6774(84)90022-1","title":"The NP-completeness column: An ongoing guide","display_name":"The NP-completeness column: An ongoing guide","publication_year":1984,"publication_date":"1984-09-01","ids":{"openalex":"https://openalex.org/W4236796471","doi":"https://doi.org/10.1016/0196-6774(84)90022-1"},"language":"en","primary_location":{"id":"doi:10.1016/0196-6774(84)90022-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0196-6774(84)90022-1","pdf_url":null,"source":{"id":"https://openalex.org/S110520077","display_name":"Journal of Algorithms","issn_l":"0196-6774","issn":["0196-6774","1090-2678"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319955","host_organization_name":"Academic Press","host_organization_lineage":["https://openalex.org/P4310319955","https://openalex.org/P4310320990"],"host_organization_lineage_names":["Academic Press","Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Algorithms","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/A5110866131","display_name":"David S. Johnson","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"David S Johnson","raw_affiliation_strings":["Bell Laboratories, Murray Hill, New Jersey 07974 USA"],"affiliations":[{"raw_affiliation_string":"Bell Laboratories, Murray Hill, New Jersey 07974 USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5110866131"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.247,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.84168865,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"5","issue":"3","first_page":"433","last_page":"447"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T12423","display_name":"Software Reliability and Analysis Research","score":0.9919999837875366,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"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/T11005","display_name":"Radiation Effects in Electronics","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/column","display_name":"Column (typography)","score":0.7645863890647888},{"id":"https://openalex.org/keywords/completeness","display_name":"Completeness (order theory)","score":0.7073969841003418},{"id":"https://openalex.org/keywords/mathematical-proof","display_name":"Mathematical proof","score":0.6855970025062561},{"id":"https://openalex.org/keywords/pspace","display_name":"PSPACE","score":0.6105387210845947},{"id":"https://openalex.org/keywords/presentation","display_name":"Presentation (obstetrics)","score":0.4859579801559448},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48564445972442627},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.45065969228744507},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.41322508454322815},{"id":"https://openalex.org/keywords/calculus","display_name":"Calculus (dental)","score":0.38368913531303406},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.34902793169021606},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.19944167137145996},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.17576953768730164},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.08678513765335083},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.07077053189277649},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.06901389360427856}],"concepts":[{"id":"https://openalex.org/C2780551164","wikidata":"https://www.wikidata.org/wiki/Q2306599","display_name":"Column (typography)","level":3,"score":0.7645863890647888},{"id":"https://openalex.org/C17231256","wikidata":"https://www.wikidata.org/wiki/Q5156540","display_name":"Completeness (order theory)","level":2,"score":0.7073969841003418},{"id":"https://openalex.org/C108710211","wikidata":"https://www.wikidata.org/wiki/Q11538","display_name":"Mathematical proof","level":2,"score":0.6855970025062561},{"id":"https://openalex.org/C197685441","wikidata":"https://www.wikidata.org/wiki/Q500716","display_name":"PSPACE","level":3,"score":0.6105387210845947},{"id":"https://openalex.org/C2777601897","wikidata":"https://www.wikidata.org/wiki/Q3409113","display_name":"Presentation (obstetrics)","level":2,"score":0.4859579801559448},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48564445972442627},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.45065969228744507},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.41322508454322815},{"id":"https://openalex.org/C2777686260","wikidata":"https://www.wikidata.org/wiki/Q144037","display_name":"Calculus (dental)","level":2,"score":0.38368913531303406},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.34902793169021606},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.19944167137145996},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.17576953768730164},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.08678513765335083},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.07077053189277649},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.06901389360427856},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.0},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.0},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0196-6774(84)90022-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0196-6774(84)90022-1","pdf_url":null,"source":{"id":"https://openalex.org/S110520077","display_name":"Journal of Algorithms","issn_l":"0196-6774","issn":["0196-6774","1090-2678"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319955","host_organization_name":"Academic Press","host_organization_lineage":["https://openalex.org/P4310319955","https://openalex.org/P4310320990"],"host_organization_lineage_names":["Academic Press","Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Algorithms","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":48,"referenced_works":["https://openalex.org/W1511255594","https://openalex.org/W1576380577","https://openalex.org/W1770199419","https://openalex.org/W1964053266","https://openalex.org/W1974216994","https://openalex.org/W1976166549","https://openalex.org/W1982129592","https://openalex.org/W1993138363","https://openalex.org/W1995634807","https://openalex.org/W1998777945","https://openalex.org/W2005440350","https://openalex.org/W2007643787","https://openalex.org/W2011358434","https://openalex.org/W2012857639","https://openalex.org/W2017109542","https://openalex.org/W2020831804","https://openalex.org/W2036095420","https://openalex.org/W2052936500","https://openalex.org/W2059442002","https://openalex.org/W2062767125","https://openalex.org/W2073340866","https://openalex.org/W2078999165","https://openalex.org/W2080132708","https://openalex.org/W2082775279","https://openalex.org/W2098626016","https://openalex.org/W2293273465","https://openalex.org/W2314591929","https://openalex.org/W2329291360","https://openalex.org/W2569696182","https://openalex.org/W2898851980","https://openalex.org/W4212805448","https://openalex.org/W4392612164","https://openalex.org/W6601876578","https://openalex.org/W6633155404","https://openalex.org/W6634141081","https://openalex.org/W6638175963","https://openalex.org/W6641379467","https://openalex.org/W6642490205","https://openalex.org/W6642755269","https://openalex.org/W6649321270","https://openalex.org/W6655227154","https://openalex.org/W6659621619","https://openalex.org/W6664060034","https://openalex.org/W6665949148","https://openalex.org/W6667196676","https://openalex.org/W6667944808","https://openalex.org/W6677910522","https://openalex.org/W6679636167"],"related_works":["https://openalex.org/W2808944898","https://openalex.org/W4254119641","https://openalex.org/W3196207352","https://openalex.org/W2951724202","https://openalex.org/W3084261076","https://openalex.org/W4387820098","https://openalex.org/W2576399385","https://openalex.org/W2963408011","https://openalex.org/W4236324517","https://openalex.org/W1586813864"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}