{"id":"https://openalex.org/W1543494191","doi":"https://doi.org/10.1109/cec.2015.7257005","title":"Cooperation of optimization algorithms: A simple hierarchical model","display_name":"Cooperation of optimization algorithms: A simple hierarchical model","publication_year":2015,"publication_date":"2015-05-01","ids":{"openalex":"https://openalex.org/W1543494191","doi":"https://doi.org/10.1109/cec.2015.7257005","mag":"1543494191"},"language":"en","primary_location":{"id":"doi:10.1109/cec.2015.7257005","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cec.2015.7257005","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Congress on Evolutionary Computation (CEC)","raw_type":"proceedings-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/A5066127245","display_name":"Radka Pol\u00e1kov\u00e1","orcid":"https://orcid.org/0000-0002-0782-5668"},"institutions":[{"id":"https://openalex.org/I187293425","display_name":"University of Ostrava","ror":"https://ror.org/00pyqav47","country_code":"CZ","type":"education","lineage":["https://openalex.org/I187293425"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Radka Polakova","raw_affiliation_strings":["Centre of Excellence IT4Innovations, University of Ostrava, Ostrava, Czech Republic","Centre of Excellence IT4Innovations, Institute for Research and Applications of Fuzzy Modeling, University of Ostrava, 30. dubna 22, 701 03, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre of Excellence IT4Innovations, University of Ostrava, Ostrava, Czech Republic","institution_ids":["https://openalex.org/I187293425"]},{"raw_affiliation_string":"Centre of Excellence IT4Innovations, Institute for Research and Applications of Fuzzy Modeling, University of Ostrava, 30. dubna 22, 701 03, Czech Republic","institution_ids":["https://openalex.org/I187293425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082155945","display_name":"Josef Tvrd\u00edk","orcid":null},"institutions":[{"id":"https://openalex.org/I187293425","display_name":"University of Ostrava","ror":"https://ror.org/00pyqav47","country_code":"CZ","type":"education","lineage":["https://openalex.org/I187293425"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Josef Tvrdik","raw_affiliation_strings":["Department of Computer Sciences and Centre of Excellence IT4Innovations, University of Ostrava, Ostrava, Czech Republic","Department of Computer Sciences and Centre of Excellence IT4Innovations, Institute for Research and Applications of Fuzzy Modeling, University of Ostrava, 30. dubna 22, 701 03, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Sciences and Centre of Excellence IT4Innovations, University of Ostrava, Ostrava, Czech Republic","institution_ids":["https://openalex.org/I187293425"]},{"raw_affiliation_string":"Department of Computer Sciences and Centre of Excellence IT4Innovations, Institute for Research and Applications of Fuzzy Modeling, University of Ostrava, 30. dubna 22, 701 03, Czech Republic","institution_ids":["https://openalex.org/I187293425"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060362188","display_name":"Petr Bujok","orcid":"https://orcid.org/0000-0003-2956-1226"},"institutions":[{"id":"https://openalex.org/I187293425","display_name":"University of Ostrava","ror":"https://ror.org/00pyqav47","country_code":"CZ","type":"education","lineage":["https://openalex.org/I187293425"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Petr Bujok","raw_affiliation_strings":["Department of Computer Sciences, University of Ostrava, Ostrava, Czech Republic","Department of Computer Sciences, University of Ostrava, 30. dubna 22, 701 03, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Sciences, University of Ostrava, Ostrava, Czech Republic","institution_ids":["https://openalex.org/I187293425"]},{"raw_affiliation_string":"Department of Computer Sciences, University of Ostrava, 30. dubna 22, 701 03, Czech Republic","institution_ids":["https://openalex.org/I187293425"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.3355,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.85551602,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"47","issue":null,"first_page":"1046","last_page":"1052"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10100","display_name":"Metaheuristic Optimization Algorithms Research","score":0.9998000264167786,"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/T10100","display_name":"Metaheuristic Optimization Algorithms Research","score":0.9998000264167786,"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/T11975","display_name":"Evolutionary Algorithms and Applications","score":0.9793000221252441,"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/T10848","display_name":"Advanced Multi-Objective Optimization Algorithms","score":0.9707000255584717,"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/cma-es","display_name":"CMA-ES","score":0.7431303262710571},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.7203275561332703},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6563126444816589},{"id":"https://openalex.org/keywords/differential-evolution","display_name":"Differential evolution","score":0.6457250714302063},{"id":"https://openalex.org/keywords/test-suite","display_name":"Test suite","score":0.6052604913711548},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.600412130355835},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.5755323171615601},{"id":"https://openalex.org/keywords/evolutionary-algorithm","display_name":"Evolutionary algorithm","score":0.5610980987548828},{"id":"https://openalex.org/keywords/evolution-strategy","display_name":"Evolution strategy","score":0.5260928869247437},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.5200366973876953},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.49053066968917847},{"id":"https://openalex.org/keywords/evolutionary-computation","display_name":"Evolutionary computation","score":0.41929101943969727},{"id":"https://openalex.org/keywords/global-optimization","display_name":"Global optimization","score":0.4136769771575928},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2405828833580017},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22037652134895325},{"id":"https://openalex.org/keywords/test-case","display_name":"Test case","score":0.17291036248207092},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.16995692253112793}],"concepts":[{"id":"https://openalex.org/C205555498","wikidata":"https://www.wikidata.org/wiki/Q505588","display_name":"CMA-ES","level":4,"score":0.7431303262710571},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.7203275561332703},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6563126444816589},{"id":"https://openalex.org/C74750220","wikidata":"https://www.wikidata.org/wiki/Q2662197","display_name":"Differential evolution","level":2,"score":0.6457250714302063},{"id":"https://openalex.org/C151552104","wikidata":"https://www.wikidata.org/wiki/Q7705809","display_name":"Test suite","level":4,"score":0.6052604913711548},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.600412130355835},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.5755323171615601},{"id":"https://openalex.org/C159149176","wikidata":"https://www.wikidata.org/wiki/Q14489129","display_name":"Evolutionary algorithm","level":2,"score":0.5610980987548828},{"id":"https://openalex.org/C207002847","wikidata":"https://www.wikidata.org/wiki/Q2912857","display_name":"Evolution strategy","level":3,"score":0.5260928869247437},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5200366973876953},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.49053066968917847},{"id":"https://openalex.org/C105902424","wikidata":"https://www.wikidata.org/wiki/Q1197129","display_name":"Evolutionary computation","level":2,"score":0.41929101943969727},{"id":"https://openalex.org/C164752517","wikidata":"https://www.wikidata.org/wiki/Q5570875","display_name":"Global optimization","level":2,"score":0.4136769771575928},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2405828833580017},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22037652134895325},{"id":"https://openalex.org/C128942645","wikidata":"https://www.wikidata.org/wiki/Q1568346","display_name":"Test case","level":3,"score":0.17291036248207092},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.16995692253112793},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C152877465","wikidata":"https://www.wikidata.org/wiki/Q208042","display_name":"Regression analysis","level":2,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/cec.2015.7257005","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cec.2015.7257005","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Congress on Evolutionary Computation (CEC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W154594901","https://openalex.org/W190744885","https://openalex.org/W1595159159","https://openalex.org/W1879678483","https://openalex.org/W1970354386","https://openalex.org/W1986073756","https://openalex.org/W1998674867","https://openalex.org/W2001975861","https://openalex.org/W2006646803","https://openalex.org/W2010879721","https://openalex.org/W2028031385","https://openalex.org/W2028261435","https://openalex.org/W2042253843","https://openalex.org/W2079557127","https://openalex.org/W2101677491","https://openalex.org/W2117250519","https://openalex.org/W2119001727","https://openalex.org/W2137340504","https://openalex.org/W2144051602","https://openalex.org/W2151554678","https://openalex.org/W2155529731","https://openalex.org/W2162145193","https://openalex.org/W2172414771","https://openalex.org/W2235047952","https://openalex.org/W3137715965","https://openalex.org/W4213261160","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W8431176","https://openalex.org/W4206833511","https://openalex.org/W2956183930","https://openalex.org/W2007794056","https://openalex.org/W2055683077","https://openalex.org/W1994971408","https://openalex.org/W2474606508","https://openalex.org/W2475446362","https://openalex.org/W2091794924","https://openalex.org/W3164877122"],"abstract_inverted_index":{"A":[0],"simple":[1,71],"model":[2],"for":[3,25,67,86,94],"the":[4,55,60,87,95],"cooperation":[5],"of":[6,38,79,89],"optimization":[7],"evolutionary":[8,32],"algorithms":[9,22,43,93],"was":[10],"proposed":[11],"and":[12,35,52],"tested":[13],"on":[14],"CEC":[15],"2015":[16],"benchmark":[17],"suite.":[18],"The":[19,70],"four":[20],"adaptive":[21,39],"were":[23],"chosen":[24],"this":[26],"model,":[27],"namely":[28],"covariance":[29],"matrix":[30],"adaptation":[31],"strategy":[33],"(CMA-ES)":[34],"three":[36],"variants":[37],"differential":[40],"evolution.":[41],"Three":[42],"with":[44,63],"constant":[45],"population":[46,65],"size":[47],"work":[48],"in":[49,76],"pseudo-parallel":[50],"way":[51],"after":[53],"stopping":[54],"whole":[56],"populations":[57],"migrate":[58],"to":[59],"top":[61],"algorithm":[62,73],"dynamic":[64],"reduction":[66],"final":[68],"processing.":[69],"cooperative":[72,92],"outperformed":[74],"CMA-ES":[75],"24":[77],"out":[78],"60":[80],"test":[81],"problems,":[82],"which":[83],"is":[84],"promising":[85],"development":[88],"more":[90],"sophisticated":[91],"global":[96],"optimization.":[97]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
