{"id":"https://openalex.org/W4317620430","doi":"https://doi.org/10.3390/systems11020055","title":"A Novel System Based on Selection Strategy and Ensemble Mode for Non-Ferrous Metal Futures Market Management","display_name":"A Novel System Based on Selection Strategy and Ensemble Mode for Non-Ferrous Metal Futures Market Management","publication_year":2023,"publication_date":"2023-01-19","ids":{"openalex":"https://openalex.org/W4317620430","doi":"https://doi.org/10.3390/systems11020055"},"language":"en","primary_location":{"id":"doi:10.3390/systems11020055","is_oa":true,"landing_page_url":"https://doi.org/10.3390/systems11020055","pdf_url":"https://www.mdpi.com/2079-8954/11/2/55/pdf?version=1675764470","source":{"id":"https://openalex.org/S4210219410","display_name":"Systems","issn_l":"2079-8954","issn":["2079-8954"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2079-8954/11/2/55/pdf?version=1675764470","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024598357","display_name":"Sibo Yang","orcid":"https://orcid.org/0000-0002-2301-3803"},"institutions":[{"id":"https://openalex.org/I59483232","display_name":"Shandong University of Finance and Economics","ror":"https://ror.org/02e2nnq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I59483232"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sibo Yang","raw_affiliation_strings":["School of Insurance, Shandong University of Finance and Economics, Jinan 250014, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Insurance, Shandong University of Finance and Economics, Jinan 250014, China","institution_ids":["https://openalex.org/I59483232"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020163747","display_name":"Wendong Yang","orcid":"https://orcid.org/0000-0002-6378-0732"},"institutions":[{"id":"https://openalex.org/I59483232","display_name":"Shandong University of Finance and Economics","ror":"https://ror.org/02e2nnq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I59483232"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wendong Yang","raw_affiliation_strings":["Institute of Marine Economy and Management, Shandong University of Finance and Economics, Jinan 250014, China","School of Management Science and Engineering, Shandong University of Finance and Economics, Jinan 250014, China"],"raw_orcid":"https://orcid.org/0000-0002-6378-0732","affiliations":[{"raw_affiliation_string":"Institute of Marine Economy and Management, Shandong University of Finance and Economics, Jinan 250014, China","institution_ids":["https://openalex.org/I59483232"]},{"raw_affiliation_string":"School of Management Science and Engineering, Shandong University of Finance and Economics, Jinan 250014, China","institution_ids":["https://openalex.org/I59483232"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100324040","display_name":"Kai Zhang","orcid":"https://orcid.org/0000-0003-1845-4724"},"institutions":[{"id":"https://openalex.org/I59483232","display_name":"Shandong University of Finance and Economics","ror":"https://ror.org/02e2nnq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I59483232"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Zhang","raw_affiliation_strings":["Institute of Marine Economy and Management, Shandong University of Finance and Economics, Jinan 250014, China","School of Management Science and Engineering, Shandong University of Finance and Economics, Jinan 250014, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Marine Economy and Management, Shandong University of Finance and Economics, Jinan 250014, China","institution_ids":["https://openalex.org/I59483232"]},{"raw_affiliation_string":"School of Management Science and Engineering, Shandong University of Finance and Economics, Jinan 250014, China","institution_ids":["https://openalex.org/I59483232"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037379592","display_name":"Hao Yan","orcid":"https://orcid.org/0000-0002-3029-3276"},"institutions":[{"id":"https://openalex.org/I28006308","display_name":"Shandong Normal University","ror":"https://ror.org/01wy3h363","country_code":"CN","type":"education","lineage":["https://openalex.org/I28006308"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yan Hao","raw_affiliation_strings":["Business School, Shandong Normal University, Jinan 250014, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Business School, Shandong Normal University, Jinan 250014, China","institution_ids":["https://openalex.org/I28006308"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5037379592"],"corresponding_institution_ids":["https://openalex.org/I28006308"],"apc_list":{"value":1600,"currency":"CHF","value_usd":1732},"apc_paid":{"value":1600,"currency":"CHF","value_usd":1732},"fwci":2.2246,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.89909798,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"11","issue":"2","first_page":"55","last_page":"55"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11059","display_name":"Market Dynamics and Volatility","score":0.9959999918937683,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11059","display_name":"Market Dynamics and Volatility","score":0.9959999918937683,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12676","display_name":"Machine Learning and ELM","score":0.9886000156402588,"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/T12368","display_name":"Grey System Theory Applications","score":0.9666000008583069,"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/ensemble-forecasting","display_name":"Ensemble forecasting","score":0.6528388261795044},{"id":"https://openalex.org/keywords/futures-contract","display_name":"Futures contract","score":0.6510234475135803},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6023759245872498},{"id":"https://openalex.org/keywords/model-selection","display_name":"Model selection","score":0.5371533036231995},{"id":"https://openalex.org/keywords/mode","display_name":"Mode (computer interface)","score":0.5344459414482117},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.5098423361778259},{"id":"https://openalex.org/keywords/lead-time","display_name":"Lead time","score":0.46090447902679443},{"id":"https://openalex.org/keywords/time-series","display_name":"Time series","score":0.4358724355697632},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.426949143409729},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.4184717833995819},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.38962820172309875},{"id":"https://openalex.org/keywords/operations-research","display_name":"Operations research","score":0.3694659173488617},{"id":"https://openalex.org/keywords/econometrics","display_name":"Econometrics","score":0.36939483880996704},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.35135194659233093},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.22541579604148865},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20548874139785767},{"id":"https://openalex.org/keywords/finance","display_name":"Finance","score":0.09046635031700134}],"concepts":[{"id":"https://openalex.org/C119898033","wikidata":"https://www.wikidata.org/wiki/Q3433888","display_name":"Ensemble forecasting","level":2,"score":0.6528388261795044},{"id":"https://openalex.org/C106306483","wikidata":"https://www.wikidata.org/wiki/Q183984","display_name":"Futures contract","level":2,"score":0.6510234475135803},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6023759245872498},{"id":"https://openalex.org/C93959086","wikidata":"https://www.wikidata.org/wiki/Q6888345","display_name":"Model selection","level":2,"score":0.5371533036231995},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.5344459414482117},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.5098423361778259},{"id":"https://openalex.org/C2781468064","wikidata":"https://www.wikidata.org/wiki/Q1267117","display_name":"Lead time","level":2,"score":0.46090447902679443},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.4358724355697632},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.426949143409729},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.4184717833995819},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38962820172309875},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.3694659173488617},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.36939483880996704},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.35135194659233093},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.22541579604148865},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20548874139785767},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.09046635031700134},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/systems11020055","is_oa":true,"landing_page_url":"https://doi.org/10.3390/systems11020055","pdf_url":"https://www.mdpi.com/2079-8954/11/2/55/pdf?version=1675764470","source":{"id":"https://openalex.org/S4210219410","display_name":"Systems","issn_l":"2079-8954","issn":["2079-8954"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Systems","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:a3fa6e5a7824450c879d594cd204fc8f","is_oa":true,"landing_page_url":"https://doaj.org/article/a3fa6e5a7824450c879d594cd204fc8f","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Systems, Vol 11, Iss 2, p 55 (2023)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2079-8954/11/2/55/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/systems11020055","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Systems","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/systems11020055","is_oa":true,"landing_page_url":"https://doi.org/10.3390/systems11020055","pdf_url":"https://www.mdpi.com/2079-8954/11/2/55/pdf?version=1675764470","source":{"id":"https://openalex.org/S4210219410","display_name":"Systems","issn_l":"2079-8954","issn":["2079-8954"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1007192615","display_name":null,"funder_award_id":"202103018","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G1144807023","display_name":null,"funder_award_id":"21YJCZH198","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G126415520","display_name":null,"funder_award_id":"202103018","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1641370819","display_name":"\u57fa\u4e8e\u6df7\u9891\u5927\u6570\u636e\u7684\u533a\u95f4\u578b\u78b3\u5e02\u573a\u4ef7\u683c\u9884\u6d4b\u7814\u7a76","funder_award_id":"72101138","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1952822732","display_name":null,"funder_award_id":"ZR2022QG036","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2493313076","display_name":null,"funder_award_id":"22DJJJ24","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G3381871696","display_name":null,"funder_award_id":"72101138","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G4117828549","display_name":null,"funder_award_id":"21YJCZH198","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4334729909","display_name":null,"funder_award_id":"ZR2021QG034","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G5032667977","display_name":null,"funder_award_id":"21YJCZH198","funder_id":"https://openalex.org/F4320336624","funder_display_name":"Social Science Planning Project of Shandong Province"},{"id":"https://openalex.org/G6062975147","display_name":null,"funder_award_id":"22DJJJ24","funder_id":"https://openalex.org/F4320336624","funder_display_name":"Social Science Planning Project of Shandong Province"},{"id":"https://openalex.org/G6505380801","display_name":null,"funder_award_id":"ZR2021QG034","funder_id":"https://openalex.org/F4320336624","funder_display_name":"Social Science Planning Project of Shandong Province"},{"id":"https://openalex.org/G6876475033","display_name":null,"funder_award_id":"21YJCZH198","funder_id":"https://openalex.org/F4320321106","funder_display_name":"Ministry of Education of the People's Republic of China"},{"id":"https://openalex.org/G7270736473","display_name":null,"funder_award_id":"22DJJJ24","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8212609499","display_name":null,"funder_award_id":"202103018","funder_id":"https://openalex.org/F4320336624","funder_display_name":"Social Science Planning Project of Shandong Province"},{"id":"https://openalex.org/G8251383979","display_name":null,"funder_award_id":"ZR2022QG036","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G8741957740","display_name":null,"funder_award_id":"ZR2021QG034","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8785279027","display_name":null,"funder_award_id":"72101138","funder_id":"https://openalex.org/F4320336624","funder_display_name":"Social Science Planning Project of Shandong Province"},{"id":"https://openalex.org/G8884142487","display_name":null,"funder_award_id":"ZR2022QG036","funder_id":"https://openalex.org/F4320336624","funder_display_name":"Social Science Planning Project of Shandong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321106","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934"},{"id":"https://openalex.org/F4320324174","display_name":"Natural Science Foundation of Shandong Province","ror":null},{"id":"https://openalex.org/F4320336624","display_name":"Social Science Planning Project of Shandong Province","ror":null}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4317620430.pdf"},"referenced_works_count":60,"referenced_works":["https://openalex.org/W230396166","https://openalex.org/W1972732865","https://openalex.org/W1986096622","https://openalex.org/W2000982976","https://openalex.org/W2021667912","https://openalex.org/W2024377782","https://openalex.org/W2026131661","https://openalex.org/W2030034065","https://openalex.org/W2074173695","https://openalex.org/W2107523980","https://openalex.org/W2142397074","https://openalex.org/W2186074937","https://openalex.org/W2494297716","https://openalex.org/W2514792508","https://openalex.org/W2573526403","https://openalex.org/W2614878903","https://openalex.org/W2797366161","https://openalex.org/W2811355361","https://openalex.org/W2883548169","https://openalex.org/W2910279921","https://openalex.org/W2922089800","https://openalex.org/W2928523385","https://openalex.org/W2936168054","https://openalex.org/W2944718673","https://openalex.org/W2951942892","https://openalex.org/W2971595387","https://openalex.org/W2975025053","https://openalex.org/W2988795244","https://openalex.org/W3020865293","https://openalex.org/W3027800447","https://openalex.org/W3033976093","https://openalex.org/W3039543396","https://openalex.org/W3083492053","https://openalex.org/W3088424316","https://openalex.org/W3107739804","https://openalex.org/W3114175335","https://openalex.org/W3161127832","https://openalex.org/W3164717632","https://openalex.org/W3173621808","https://openalex.org/W3173810343","https://openalex.org/W3175378316","https://openalex.org/W3204905949","https://openalex.org/W3209126131","https://openalex.org/W4200548039","https://openalex.org/W4224028717","https://openalex.org/W4224221902","https://openalex.org/W4224295153","https://openalex.org/W4289529683","https://openalex.org/W4291329409","https://openalex.org/W4294958040","https://openalex.org/W4294958995","https://openalex.org/W4295126644","https://openalex.org/W4296905868","https://openalex.org/W4298148614","https://openalex.org/W4308209841","https://openalex.org/W4311423750","https://openalex.org/W4311526945","https://openalex.org/W4312126312","https://openalex.org/W6655668010","https://openalex.org/W6782775919"],"related_works":["https://openalex.org/W2080194917","https://openalex.org/W2230611034","https://openalex.org/W2494020708","https://openalex.org/W4387762087","https://openalex.org/W2069474937","https://openalex.org/W3124189739","https://openalex.org/W2090424917","https://openalex.org/W99115737","https://openalex.org/W2493455761","https://openalex.org/W1557762153"],"abstract_inverted_index":{"Non-ferrous":[0],"metals,":[1],"as":[2,173,265,278],"one":[3],"of":[4,13,24,51,62,66,75,153,231],"the":[5,44,49,52,57,73,126,134,150,165,174,181,194,201,215,228,232,241,249,258],"representative":[6],"commodities":[7],"with":[8],"large":[9],"international":[10],"circulation,":[11],"are":[12,27,171,224,237],"great":[14],"significance":[15],"to":[16,88,148,156,179,193,199,254],"social":[17],"and":[18,30,40,60,78,114,124,177,219,244],"economic":[19],"development.":[20],"The":[21],"time":[22],"series":[23,169],"its":[25],"prices":[26,137,155,272],"highly":[28],"volatile":[29],"nonlinear,":[31],"which":[32,85,117,246],"makes":[33],"metal":[34,82,136,154,271],"price":[35,83],"forecasting":[36,90,102,109,213,218,222,229,283],"still":[37],"a":[38,63,100,120,210],"tough":[39],"challenging":[41],"task.":[42],"However,":[43],"existing":[45],"research":[46,98],"focus":[47],"on":[48,227],"application":[50],"individual":[53],"advanced":[54],"model,":[55],"neglecting":[56],"in-depth":[58],"analysis":[59],"mining":[61],"certain":[64],"type":[65],"model.":[67],"In":[68],"addition,":[69],"most":[70],"studies":[71],"overlook":[72],"importance":[74],"sub-model":[76,108,128,175,187],"selection":[77,112,129,188],"ensemble":[79,115,122,212],"mode":[80,123],"in":[81],"forecasting,":[84],"can":[86,260],"lead":[87],"poor":[89],"results":[91,223,230],"under":[92],"some":[93],"circumstances.":[94],"To":[95],"bridge":[96],"these":[97],"gaps,":[99],"novel":[101],"system":[103,251,259],"including":[104],"data":[105,143],"pretreatment":[106,144],"module,":[107,110,113,116],"model":[111,203],"successfully":[118],"introduces":[119],"nonlinear":[121,211],"combines":[125],"optimal":[127,186,233],"method,":[130],"is":[131,145,190,252],"developed":[132],"for":[133,204,269,281],"non-ferrous":[135,270],"futures":[138,273],"market":[139,274],"management.":[140],"More":[141],"specifically,":[142],"carried":[146,238],"out":[147,239],"capture":[149],"main":[151],"features":[152],"effectively":[157],"mitigate":[158],"those":[159],"challenges":[160],"caused":[161],"by":[162,208],"noise.":[163],"Then,":[164,207],"extreme":[166],"learning":[167],"machine":[168],"models":[170],"employed":[172,178],"library":[176],"predict":[180],"decomposed":[182],"sub-sequences.":[183],"Moreover,":[184],"an":[185,266,279],"strategy":[189],"implemented":[191],"according":[192],"newly":[195],"proposed":[196],"comprehensive":[197],"index":[198],"select":[200],"best":[202],"each":[205],"sub-sequence.":[206],"proposing":[209],"mode,":[214],"final":[216],"point":[217],"uncertainty":[220],"interval":[221],"obtained":[225],"based":[226],"sub-model.":[234],"Experimental":[235],"simulations":[236],"using":[240],"datasets":[242],"copper":[243],"zinc,":[245],"show":[247],"that":[248],"present":[250],"superior":[253],"other":[255,282],"benchmarks.":[256],"Therefore,":[257],"be":[261],"used":[262],"not":[263],"only":[264],"effective":[267],"technique":[268],"management":[275],"but":[276],"also":[277],"alternative":[280],"applications.":[284]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-17T09:13:05.818461","created_date":"2025-10-10T00:00:00"}
