{"id":"https://openalex.org/W4401415565","doi":"https://doi.org/10.1109/cec60901.2024.10611939","title":"Decomposition of Difficulties in Complex Optimization Problems using a Bilevel Approach","display_name":"Decomposition of Difficulties in Complex Optimization Problems using a Bilevel Approach","publication_year":2024,"publication_date":"2024-06-30","ids":{"openalex":"https://openalex.org/W4401415565","doi":"https://doi.org/10.1109/cec60901.2024.10611939"},"language":"en","primary_location":{"id":"doi:10.1109/cec60901.2024.10611939","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/cec60901.2024.10611939","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 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/A5018720209","display_name":"Ankur Sinha","orcid":"https://orcid.org/0000-0002-0464-6736"},"institutions":[{"id":"https://openalex.org/I150870154","display_name":"Indian Institute of Management Ahmedabad","ror":"https://ror.org/02egcpy68","country_code":"IN","type":"education","lineage":["https://openalex.org/I150870154"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Ankur Sinha","raw_affiliation_strings":["Centre for Data Science and AI, Indian Institute of Management,Ahmedabad,Gujarat,India,380015"],"affiliations":[{"raw_affiliation_string":"Centre for Data Science and AI, Indian Institute of Management,Ahmedabad,Gujarat,India,380015","institution_ids":["https://openalex.org/I150870154"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042580764","display_name":"Dhaval Pujara","orcid":null},"institutions":[{"id":"https://openalex.org/I150870154","display_name":"Indian Institute of Management Ahmedabad","ror":"https://ror.org/02egcpy68","country_code":"IN","type":"education","lineage":["https://openalex.org/I150870154"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Dhaval Pujara","raw_affiliation_strings":["Centre for Data Science and AI, Indian Institute of Management,Ahmedabad,Gujarat,India,380015"],"affiliations":[{"raw_affiliation_string":"Centre for Data Science and AI, Indian Institute of Management,Ahmedabad,Gujarat,India,380015","institution_ids":["https://openalex.org/I150870154"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077555584","display_name":"Hemant Kumar Singh","orcid":"https://orcid.org/0000-0003-1653-232X"},"institutions":[{"id":"https://openalex.org/I188329596","display_name":"University of Canberra","ror":"https://ror.org/04s1nv328","country_code":"AU","type":"education","lineage":["https://openalex.org/I188329596"]},{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Hemant Kumar Singh","raw_affiliation_strings":["School of Engineering and Technology, The University of New South Wales,Canberra,Australia,ACT 2610"],"affiliations":[{"raw_affiliation_string":"School of Engineering and Technology, The University of New South Wales,Canberra,Australia,ACT 2610","institution_ids":["https://openalex.org/I188329596","https://openalex.org/I31746571"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5018720209"],"corresponding_institution_ids":["https://openalex.org/I150870154"],"apc_list":null,"apc_paid":null,"fwci":0.3795,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.6289152,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10848","display_name":"Advanced Multi-Objective Optimization Algorithms","score":0.9973000288009644,"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/T10848","display_name":"Advanced Multi-Objective Optimization Algorithms","score":0.9973000288009644,"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/T10928","display_name":"Probabilistic and Robust Engineering Design","score":0.9958999752998352,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10963","display_name":"Advanced Optimization Algorithms Research","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/bilevel-optimization","display_name":"Bilevel optimization","score":0.8108477592468262},{"id":"https://openalex.org/keywords/decomposition","display_name":"Decomposition","score":0.7476112842559814},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5955525040626526},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.45025718212127686},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3070486783981323},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.28538501262664795},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2628987729549408},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.12407228350639343}],"concepts":[{"id":"https://openalex.org/C3309286","wikidata":"https://www.wikidata.org/wiki/Q4907693","display_name":"Bilevel optimization","level":3,"score":0.8108477592468262},{"id":"https://openalex.org/C124681953","wikidata":"https://www.wikidata.org/wiki/Q339062","display_name":"Decomposition","level":2,"score":0.7476112842559814},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5955525040626526},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.45025718212127686},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3070486783981323},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.28538501262664795},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2628987729549408},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.12407228350639343},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/cec60901.2024.10611939","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/cec60901.2024.10611939","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Congress on Evolutionary Computation (CEC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W178407265","https://openalex.org/W1587078255","https://openalex.org/W1588628884","https://openalex.org/W1601541039","https://openalex.org/W1947097685","https://openalex.org/W1979380639","https://openalex.org/W1988724314","https://openalex.org/W2006911191","https://openalex.org/W2031264011","https://openalex.org/W2033648544","https://openalex.org/W2065534296","https://openalex.org/W2102365077","https://openalex.org/W2143185749","https://openalex.org/W2143263354","https://openalex.org/W2154062181","https://openalex.org/W2259507927","https://openalex.org/W2521809336","https://openalex.org/W2557096003","https://openalex.org/W2587953039","https://openalex.org/W2614367549","https://openalex.org/W2895841339","https://openalex.org/W2946575659","https://openalex.org/W2980487008","https://openalex.org/W2998203738","https://openalex.org/W3139497286","https://openalex.org/W3178628565","https://openalex.org/W4294811404","https://openalex.org/W4300549156","https://openalex.org/W4300591249"],"related_works":["https://openalex.org/W4318070895","https://openalex.org/W3157915181","https://openalex.org/W4401134013","https://openalex.org/W2896140431","https://openalex.org/W1536852012","https://openalex.org/W3015956618","https://openalex.org/W1994436307","https://openalex.org/W2920493340","https://openalex.org/W2071082401","https://openalex.org/W1989923016"],"abstract_inverted_index":{"Practical":[0],"optimization":[1,20,23,39,107,135],"problems":[2,68],"may":[3,60],"contain":[4],"differ-ent":[5],"kinds":[6],"of":[7,72,133,161,170],"difficulties":[8,139],"that":[9,28,91,136,150],"are":[10,29,80,111],"often":[11],"not":[12],"tractable":[13],"if":[14],"one":[15,33],"relies":[16],"on":[17,104,166],"a":[18,46,88,105,130,167],"particular":[19],"method.":[21],"Different":[22],"approaches":[24,79,99,124,146],"offer":[25],"different":[26,145],"strengths":[27],"good":[30],"at":[31,100,147,154],"tackling":[32],"or":[34],"more":[35],"difficulty":[36],"in":[37,48,113],"an":[38],"problem.":[40,108],"For":[41],"instance,":[42],"evolutionary":[43,58],"algorithms":[44,59,110],"have":[45],"niche":[47],"handling":[49,155],"complexities":[50],"like":[51],"discontinuity,":[52],"non-differentiability,":[53],"discreteness":[54],"and":[55,143],"non-convexity.":[56],"However,":[57],"get":[61],"computationally":[62],"expensive":[63],"for":[64,74],"mathematically":[65],"well":[66],"behaved":[67],"with":[69,121],"large":[70],"number":[71],"variables":[73],"which":[75],"classical":[76],"mathematical":[77],"programming":[78],"better":[81,152],"suited.":[82],"In":[83],"this":[84,114],"paper,":[85],"we":[86],"demonstrate":[87,158],"decomposition":[89,127,164],"strategy":[90],"allows":[92],"us":[93],"to":[94],"synergistically":[95],"apply":[96],"two":[97,141],"complementary":[98],"the":[101,138,159,162],"same":[102],"time":[103],"complex":[106],"Evolutionary":[109],"useful":[112],"context":[115],"as":[116],"their":[117],"flexibility":[118],"makes":[119],"pairing":[120],"other":[122],"solution":[123],"easy.":[125],"The":[126],"idea":[128,165],"is":[129,151],"special":[131],"case":[132],"bilevel":[134],"separates":[137],"into":[140],"levels":[142],"assigns":[144],"each":[148],"level":[149],"equipped":[153],"them.":[156],"We":[157],"benefits":[160],"proposed":[163],"wide":[168],"range":[169],"test":[171],"problems.":[172]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-26T23:08:49.675405","created_date":"2025-10-10T00:00:00"}