{"id":"https://openalex.org/W4409356557","doi":"https://doi.org/10.1109/tsp.2025.3559568","title":"Robust Bayesian Optimization via Localized Online Conformal Prediction","display_name":"Robust Bayesian Optimization via Localized Online Conformal Prediction","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4409356557","doi":"https://doi.org/10.1109/tsp.2025.3559568"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2025.3559568","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2025.3559568","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Signal Processing","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/A5113319881","display_name":"Dongwon Kim","orcid":"https://orcid.org/0000-0003-1147-5274"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Dongwon Kim","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076020595","display_name":"Matteo Zecchin","orcid":"https://orcid.org/0000-0003-3458-2881"},"institutions":[{"id":"https://openalex.org/I183935753","display_name":"King's College London","ror":"https://ror.org/0220mzb33","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I183935753"]},{"id":"https://openalex.org/I4210119896","display_name":"King's College School","ror":"https://ror.org/02bbqcn27","country_code":"GB","type":"education","lineage":["https://openalex.org/I4210119896"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Matteo Zecchin","raw_affiliation_strings":["King’s Communications, Learning & Information Processing (KCLIP) Lab, Centre for Intelligent Information Processing Systems (CIIPS), Department of Engineering, King’s College London, London, U.K","King’s Communications, King’s College London, London, U.K"],"affiliations":[{"raw_affiliation_string":"King’s Communications, Learning & Information Processing (KCLIP) Lab, Centre for Intelligent Information Processing Systems (CIIPS), Department of Engineering, King’s College London, London, U.K","institution_ids":["https://openalex.org/I4210119896"]},{"raw_affiliation_string":"King’s Communications, King’s College London, London, U.K","institution_ids":["https://openalex.org/I183935753","https://openalex.org/I4210119896"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5118899957","display_name":"Sangwoo Park","orcid":"https://orcid.org/0000-0003-4091-7860"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sangwoo Park","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Imperial College London, London, U.K","Department of Electrical and Electronic Engineering, Imperial College London, London, UK"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, U.K","institution_ids":["https://openalex.org/I47508984"]},{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113651301","display_name":"Joonhyuk Kang","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Joonhyuk Kang","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017736224","display_name":"Osvaldo Simeone","orcid":"https://orcid.org/0000-0001-9898-3209"},"institutions":[{"id":"https://openalex.org/I183935753","display_name":"King's College London","ror":"https://ror.org/0220mzb33","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I183935753"]},{"id":"https://openalex.org/I4210119896","display_name":"King's College School","ror":"https://ror.org/02bbqcn27","country_code":"GB","type":"education","lineage":["https://openalex.org/I4210119896"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Osvaldo Simeone","raw_affiliation_strings":["King’s Communications, Learning & Information Processing (KCLIP) Lab, Centre for Intelligent Information Processing Systems (CIIPS), Department of Engineering, King’s College London, London, U.K","King’s Communications, King’s College London, London, U.K"],"affiliations":[{"raw_affiliation_string":"King’s Communications, Learning & Information Processing (KCLIP) Lab, Centre for Intelligent Information Processing Systems (CIIPS), Department of Engineering, King’s College London, London, U.K","institution_ids":["https://openalex.org/I4210119896"]},{"raw_affiliation_string":"King’s Communications, King’s College London, London, U.K","institution_ids":["https://openalex.org/I183935753","https://openalex.org/I4210119896"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5113319881"],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":6.139,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.95651442,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"73","issue":null,"first_page":"2039","last_page":"2052"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.9965000152587891,"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"}},"topics":[{"id":"https://openalex.org/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.9965000152587891,"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"}},{"id":"https://openalex.org/T12814","display_name":"Gaussian Processes and Bayesian Inference","score":0.9872999787330627,"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":0.9850999712944031,"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/bayesian-optimization","display_name":"Bayesian optimization","score":0.5952386856079102},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.5653350353240967},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5517556071281433},{"id":"https://openalex.org/keywords/conformal-map","display_name":"Conformal map","score":0.47348201274871826},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.41533440351486206},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4104359447956085},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37310707569122314},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3408603072166443},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3246091604232788},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2943761944770813}],"concepts":[{"id":"https://openalex.org/C2778049539","wikidata":"https://www.wikidata.org/wiki/Q17002908","display_name":"Bayesian optimization","level":2,"score":0.5952386856079102},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.5653350353240967},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5517556071281433},{"id":"https://openalex.org/C98214594","wikidata":"https://www.wikidata.org/wiki/Q850275","display_name":"Conformal map","level":2,"score":0.47348201274871826},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.41533440351486206},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4104359447956085},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37310707569122314},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3408603072166443},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3246091604232788},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2943761944770813},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"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/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsp.2025.3559568","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2025.3559568","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W1553101044","https://openalex.org/W2150621701","https://openalex.org/W2192203593","https://openalex.org/W2547071094","https://openalex.org/W2607746587","https://openalex.org/W2983590566","https://openalex.org/W3002762179","https://openalex.org/W3031275541","https://openalex.org/W3092193341","https://openalex.org/W3202166349","https://openalex.org/W4288388643","https://openalex.org/W4293214420","https://openalex.org/W4381163449","https://openalex.org/W4392153300","https://openalex.org/W4404260627","https://openalex.org/W4406259164","https://openalex.org/W6631818155","https://openalex.org/W6678911119","https://openalex.org/W6680569831","https://openalex.org/W6684809622","https://openalex.org/W6734090873","https://openalex.org/W6739277171","https://openalex.org/W6746750778","https://openalex.org/W6753146606","https://openalex.org/W6761341600","https://openalex.org/W6764988152","https://openalex.org/W6766607341","https://openalex.org/W6766900132","https://openalex.org/W6769040946","https://openalex.org/W6779290662","https://openalex.org/W6779976037","https://openalex.org/W6783985271","https://openalex.org/W6797767573","https://openalex.org/W6798067434","https://openalex.org/W6803541038","https://openalex.org/W6839037197","https://openalex.org/W6845261369","https://openalex.org/W6845781810","https://openalex.org/W6846244832","https://openalex.org/W6854948319","https://openalex.org/W6861386940","https://openalex.org/W6867394137","https://openalex.org/W6869124377","https://openalex.org/W6873968716"],"related_works":["https://openalex.org/W3106461837","https://openalex.org/W2747077871","https://openalex.org/W4283700523","https://openalex.org/W3168182983","https://openalex.org/W1971223889","https://openalex.org/W4387079005","https://openalex.org/W4321472004","https://openalex.org/W4221166418","https://openalex.org/W2173406670","https://openalex.org/W4401858220"],"abstract_inverted_index":{"Bayesian":[0,76],"optimization":[1,77,173],"(BO)":[2],"is":[3,110],"a":[4,79,115],"sequential":[5],"approach":[6],"for":[7,152,157],"optimizing":[8],"black-box":[9],"objective":[10,30,121,160],"functions":[11],"using":[12],"zeroth-order":[13],"noisy":[14],"observations.":[15],"In":[16],"BO,":[17],"Gaussian":[18],"processes":[19],"(GPs)":[20],"are":[21,165],"employed":[22],"as":[23],"probabilistic":[24,57],"surrogate":[25],"models":[26],"to":[27,42,113,132,136],"estimate":[28],"the":[29,37,46,53,84,95,106,120,140,158,184],"function":[31],"based":[32,98],"on":[33,52,99,119,169],"past":[34],"observations,":[35],"guiding":[36],"selection":[38],"of":[39,48,55,139,186],"future":[40],"queries":[41],"maximize":[43],"utility.":[44],"However,":[45],"performance":[47,150],"BO":[49,80,181],"heavily":[50],"relies":[51],"quality":[54],"these":[56],"estimates,":[58],"which":[59],"can":[60],"deteriorate":[61],"significantly":[62],"under":[63],"model":[64,86,187],"misspecification.":[65,188],"To":[66],"address":[67],"this":[68],"issue,":[69],"we":[70,147],"introduce":[71],"localized":[72,88],"online":[73,89],"conformal":[74,90],"prediction-based":[75],"(LOCBO),":[78],"algorithm":[81],"that":[82,155,176],"calibrates":[83],"GP":[85,96,108],"through":[87,167],"prediction":[91],"(CP).":[92],"LOCBO":[93,177],"corrects":[94],"likelihood":[97,109,124],"predictive":[100],"sets":[101],"produced":[102],"by":[103],"LOCBO,":[104],"and":[105,171],"corrected":[107],"then":[111],"denoised":[112],"obtain":[114],"calibrated":[116],"posterior":[117],"distribution":[118],"function.":[122,161],"The":[123],"calibration":[125,130],"step":[126],"leverages":[127],"an":[128],"input-dependent":[129],"threshold":[131],"tailor":[133],"coverage":[134],"guarantees":[135,151],"different":[137],"regions":[138],"input":[141],"space.":[142],"Under":[143],"minimal":[144],"noise":[145],"assumptions,":[146],"provide":[148],"theoretical":[149,163],"LOCBO\u2019s":[153],"iterates":[154],"hold":[156],"unobserved":[159],"These":[162],"findings":[164],"validated":[166],"experiments":[168],"synthetic":[170],"real-world":[172],"tasks,":[174],"demonstrating":[175],"consistently":[178],"outperforms":[179],"state-of-the-art":[180],"algorithms":[182],"in":[183],"presence":[185]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}