{"id":"https://openalex.org/W4403487537","doi":"https://doi.org/10.3233/faia240735","title":"Identifying the Best Arm in the Presence of Global Environment Shifts","display_name":"Identifying the Best Arm in the Presence of Global Environment Shifts","publication_year":2024,"publication_date":"2024-10-16","ids":{"openalex":"https://openalex.org/W4403487537","doi":"https://doi.org/10.3233/faia240735"},"language":"en","primary_location":{"id":"doi:10.3233/faia240735","is_oa":true,"landing_page_url":"https://doi.org/10.3233/faia240735","pdf_url":"https://ebooks.iospress.nl/pdf/doi/10.3233/FAIA240735","source":{"id":"https://openalex.org/S4210201731","display_name":"Frontiers in artificial intelligence and applications","issn_l":"0922-6389","issn":["0922-6389","1879-8314"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Artificial Intelligence and Applications","raw_type":"book-chapter"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://ebooks.iospress.nl/pdf/doi/10.3233/FAIA240735","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5114301910","display_name":"Phurinut Srisawad","orcid":null},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Phurinut Srisawad","raw_affiliation_strings":["University of Warwick, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Warwick, United Kingdom","institution_ids":["https://openalex.org/I39555362"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036018560","display_name":"Juergen Branke","orcid":"https://orcid.org/0000-0002-4343-5878"},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Juergen Branke","raw_affiliation_strings":["University of Warwick, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Warwick, United Kingdom","institution_ids":["https://openalex.org/I39555362"]}]},{"author_position":"last","author":{"id":null,"display_name":"Long Tran-Thanh","orcid":null},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Long Tran-Thanh","raw_affiliation_strings":["University of Warwick, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Warwick, United Kingdom","institution_ids":["https://openalex.org/I39555362"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I39555362"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.52005984,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.7799999713897705,"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":0.7799999713897705,"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/T11918","display_name":"Forecasting Techniques and Applications","score":0.024299999698996544,"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/T13553","display_name":"Age of Information Optimization","score":0.024000000208616257,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3047025799751282}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3047025799751282}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3233/faia240735","is_oa":true,"landing_page_url":"https://doi.org/10.3233/faia240735","pdf_url":"https://ebooks.iospress.nl/pdf/doi/10.3233/FAIA240735","source":{"id":"https://openalex.org/S4210201731","display_name":"Frontiers in artificial intelligence and applications","issn_l":"0922-6389","issn":["0922-6389","1879-8314"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Artificial Intelligence and Applications","raw_type":"book-chapter"},{"id":"pmh:oai:wrap.warwick.ac.uk:188294","is_oa":true,"landing_page_url":null,"pdf_url":"https://wrap.warwick.ac.uk/id/eprint/188294/2/SrBrLo24_ECAI_MABwithEnvironmentShift.pdf","source":{"id":"https://openalex.org/S4306400665","display_name":"Warwick Research Archive Portal (University of Warwick)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I39555362","host_organization_name":"University of Warwick","host_organization_lineage":["https://openalex.org/I39555362"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Item"}],"best_oa_location":{"id":"doi:10.3233/faia240735","is_oa":true,"landing_page_url":"https://doi.org/10.3233/faia240735","pdf_url":"https://ebooks.iospress.nl/pdf/doi/10.3233/FAIA240735","source":{"id":"https://openalex.org/S4210201731","display_name":"Frontiers in artificial intelligence and applications","issn_l":"0922-6389","issn":["0922-6389","1879-8314"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Artificial Intelligence and Applications","raw_type":"book-chapter"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land","score":0.6000000238418579}],"awards":[],"funders":[{"id":"https://openalex.org/F4320316974","display_name":"Institute for the Promotion of Teaching Science and Technology","ror":"https://ror.org/02csmb731"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4403487537.pdf"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"This":[0],"paper":[1,104],"formulates":[2],"a":[3,28,47,58,107,144],"new":[4],"Best-Arm":[5],"Identification":[6],"problem":[7],"in":[8,22,92,102,116,138,147],"the":[9,15,23,32,39,80],"non-stationary":[10],"stochastic":[11],"bandits":[12],"setting,":[13],"where":[14],"means":[16],"of":[17,31,61,82],"all":[18,136],"arms":[19,137],"are":[20],"shifted":[21],"same":[24],"way":[25],"due":[26],"to":[27,37,73],"global":[29,84,119,133],"influence":[30],"environment.":[33,140],"The":[34],"aim":[35],"is":[36,112],"identify":[38],"unique":[40],"best":[41],"arm":[42],"across":[43,135],"environmental":[44,120],"change":[45],"given":[46],"fixed":[48],"total":[49],"budget.":[50],"While":[51],"this":[52,83,100,103],"setting":[53],"can":[54],"be":[55],"regarded":[56],"as":[57],"special":[59],"case":[60],"Adversarial":[62],"Bandits":[63],"or":[64],"Corrupted":[65],"Bandits,":[66],"we":[67,105],"demonstrate":[68],"that":[69,111],"existing":[70,152],"solutions":[71],"tailored":[72],"those":[74],"settings":[75],"do":[76,88],"not":[77,89],"fully":[78],"utilise":[79],"nature":[81],"influence,":[85],"and":[86,114],"thus,":[87],"work":[90],"well":[91],"practice":[93],"(despite":[94],"their":[95],"theoretical":[96],"guarantees).":[97],"To":[98],"overcome":[99],"issue,":[101],"develop":[106],"novel":[108],"selection":[109],"policy":[110],"consistent":[113],"robust":[115],"dealing":[117],"with":[118],"shifts.":[121],"We":[122],"then":[123],"propose":[124],"an":[125],"allocation":[126],"policy,":[127],"LinLUCB,":[128],"which":[129],"exploits":[130],"information":[131],"about":[132],"shifts":[134],"each":[139],"Empirical":[141],"tests":[142],"depict":[143],"significant":[145],"improvement":[146],"our":[148],"policies":[149],"against":[150],"other":[151],"methods.":[153]},"counts_by_year":[],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
