{"id":"https://openalex.org/W3135440047","doi":"https://doi.org/10.1007/s00500-021-05688-3","title":"An improved QPSO algorithm and its application in fuzzy portfolio model with constraints","display_name":"An improved QPSO algorithm and its application in fuzzy portfolio model with constraints","publication_year":2021,"publication_date":"2021-03-05","ids":{"openalex":"https://openalex.org/W3135440047","doi":"https://doi.org/10.1007/s00500-021-05688-3","mag":"3135440047"},"language":"en","primary_location":{"id":"doi:10.1007/s00500-021-05688-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00500-021-05688-3","pdf_url":null,"source":{"id":"https://openalex.org/S65753830","display_name":"Soft Computing","issn_l":"1432-7643","issn":["1432-7643","1433-7479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Soft Computing","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/A5064722818","display_name":"Guang He","orcid":null},"institutions":[{"id":"https://openalex.org/I145581781","display_name":"Chongqing Technology and Business University","ror":"https://ror.org/05hqf1284","country_code":"CN","type":"education","lineage":["https://openalex.org/I145581781"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Guang He","raw_affiliation_strings":["College of Mathematics and Statistics, Chongqing Technology and Business University, Chongqing, 400067, People\u2019s Republic of China","College of Mathematics and Statistics, Chongqing Technology and Business University, Chongqing, 400067, People's Republic of China"],"affiliations":[{"raw_affiliation_string":"College of Mathematics and Statistics, Chongqing Technology and Business University, Chongqing, 400067, People\u2019s Republic of China","institution_ids":["https://openalex.org/I145581781"]},{"raw_affiliation_string":"College of Mathematics and Statistics, Chongqing Technology and Business University, Chongqing, 400067, People's Republic of China","institution_ids":["https://openalex.org/I145581781"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000253163","display_name":"Xiaoli Lu","orcid":"https://orcid.org/0000-0001-7633-7222"},"institutions":[{"id":"https://openalex.org/I145581781","display_name":"Chongqing Technology and Business University","ror":"https://ror.org/05hqf1284","country_code":"CN","type":"education","lineage":["https://openalex.org/I145581781"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiao-li Lu","raw_affiliation_strings":["Research Center for Economy of Upper Reaches of the Yangtze River, Chongqing Technology and Business University, Chongqing, 400067, People\u2019s Republic of China","Research Center for Economy of Upper Reaches of the Yangtze River, Chongqing Technology and Business University, Chongqing, 400067, People's Republic of China"],"affiliations":[{"raw_affiliation_string":"Research Center for Economy of Upper Reaches of the Yangtze River, Chongqing Technology and Business University, Chongqing, 400067, People\u2019s Republic of China","institution_ids":["https://openalex.org/I145581781"]},{"raw_affiliation_string":"Research Center for Economy of Upper Reaches of the Yangtze River, Chongqing Technology and Business University, Chongqing, 400067, People's Republic of China","institution_ids":["https://openalex.org/I145581781"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5064722818"],"corresponding_institution_ids":["https://openalex.org/I145581781"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":1.6777,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.86587884,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"25","issue":"12","first_page":"7695","last_page":"7706"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10100","display_name":"Metaheuristic Optimization Algorithms Research","score":0.9987999796867371,"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":0.9987999796867371,"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/T12288","display_name":"Optimization and Search Problems","score":0.9815999865531921,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11413","display_name":"Risk and Portfolio Optimization","score":0.970300018787384,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/particle-swarm-optimization","display_name":"Particle swarm optimization","score":0.6670356392860413},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6609498262405396},{"id":"https://openalex.org/keywords/fuzzy-logic","display_name":"Fuzzy logic","score":0.5600287318229675},{"id":"https://openalex.org/keywords/premature-convergence","display_name":"Premature convergence","score":0.5323458313941956},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5322570204734802},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5061563849449158},{"id":"https://openalex.org/keywords/metaheuristic","display_name":"Metaheuristic","score":0.49907779693603516},{"id":"https://openalex.org/keywords/portfolio","display_name":"Portfolio","score":0.46658000349998474},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.46563711762428284},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.4370933771133423},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.41249018907546997},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3419695496559143},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.18256962299346924}],"concepts":[{"id":"https://openalex.org/C85617194","wikidata":"https://www.wikidata.org/wiki/Q2072794","display_name":"Particle swarm optimization","level":2,"score":0.6670356392860413},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6609498262405396},{"id":"https://openalex.org/C58166","wikidata":"https://www.wikidata.org/wiki/Q224821","display_name":"Fuzzy logic","level":2,"score":0.5600287318229675},{"id":"https://openalex.org/C58758708","wikidata":"https://www.wikidata.org/wiki/Q7240233","display_name":"Premature convergence","level":3,"score":0.5323458313941956},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5322570204734802},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5061563849449158},{"id":"https://openalex.org/C109718341","wikidata":"https://www.wikidata.org/wiki/Q1385229","display_name":"Metaheuristic","level":2,"score":0.49907779693603516},{"id":"https://openalex.org/C2780821815","wikidata":"https://www.wikidata.org/wiki/Q5340806","display_name":"Portfolio","level":2,"score":0.46658000349998474},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46563711762428284},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.4370933771133423},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.41249018907546997},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3419695496559143},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.18256962299346924},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","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/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","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},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00500-021-05688-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00500-021-05688-3","pdf_url":null,"source":{"id":"https://openalex.org/S65753830","display_name":"Soft Computing","issn_l":"1432-7643","issn":["1432-7643","1433-7479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Soft Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2844390493","display_name":null,"funder_award_id":"No.cstc2020jcyj-msxm3740","funder_id":"https://openalex.org/F4320335870","funder_display_name":"Chongqing Basic and Frontier Research Project"},{"id":"https://openalex.org/G7181966723","display_name":null,"funder_award_id":"KJ1500631","funder_id":"https://openalex.org/F4320324805","funder_display_name":"Chongqing Municipal Education Commission"},{"id":"https://openalex.org/G8610526586","display_name":null,"funder_award_id":"No.cstc2020jcyj-msxm3651","funder_id":"https://openalex.org/F4320335870","funder_display_name":"Chongqing Basic and Frontier Research Project"}],"funders":[{"id":"https://openalex.org/F4320324805","display_name":"Chongqing Municipal Education Commission","ror":"https://ror.org/031nm5713"},{"id":"https://openalex.org/F4320335870","display_name":"Chongqing Basic and Frontier Research Project","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1566399673","https://openalex.org/W1567363667","https://openalex.org/W1771100857","https://openalex.org/W1969728132","https://openalex.org/W1999064890","https://openalex.org/W2023030054","https://openalex.org/W2030464587","https://openalex.org/W2031148483","https://openalex.org/W2041158262","https://openalex.org/W2042017388","https://openalex.org/W2044337436","https://openalex.org/W2061438946","https://openalex.org/W2085559515","https://openalex.org/W2093195672","https://openalex.org/W2131183806","https://openalex.org/W2132775137","https://openalex.org/W2148083797","https://openalex.org/W2152195021","https://openalex.org/W2165299997","https://openalex.org/W2169245194","https://openalex.org/W2237685256","https://openalex.org/W2514305972","https://openalex.org/W2523540531","https://openalex.org/W2599187771","https://openalex.org/W2775547370","https://openalex.org/W2921212191","https://openalex.org/W2942324044","https://openalex.org/W2963103847","https://openalex.org/W3033491646","https://openalex.org/W3122931492"],"related_works":["https://openalex.org/W2789681586","https://openalex.org/W42170614","https://openalex.org/W2364947648","https://openalex.org/W2568269143","https://openalex.org/W2379567910","https://openalex.org/W2391178530","https://openalex.org/W1991387858","https://openalex.org/W2358785986","https://openalex.org/W2120521599","https://openalex.org/W1504924465"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}