{"id":"https://openalex.org/W4402491620","doi":"https://doi.org/10.1007/s42484-024-00189-6","title":"Quantum contextual bandits and recommender systems for quantum data","display_name":"Quantum contextual bandits and recommender systems for quantum data","publication_year":2024,"publication_date":"2024-09-12","ids":{"openalex":"https://openalex.org/W4402491620","doi":"https://doi.org/10.1007/s42484-024-00189-6"},"language":"en","primary_location":{"id":"doi:10.1007/s42484-024-00189-6","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s42484-024-00189-6","pdf_url":"https://link.springer.com/content/pdf/10.1007/s42484-024-00189-6.pdf","source":{"id":"https://openalex.org/S4210217596","display_name":"Quantum Machine Intelligence","issn_l":"2524-4906","issn":["2524-4906","2524-4914"],"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantum Machine Intelligence","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://link.springer.com/content/pdf/10.1007/s42484-024-00189-6.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031065363","display_name":"Shrigyan Brahmachari","orcid":null},"institutions":[{"id":"https://openalex.org/I115455960","display_name":"Centre for Quantum Technologies","ror":"https://ror.org/01mgdzc49","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115455960"]},{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["SG","US"],"is_corresponding":true,"raw_author_name":"Shrigyan Brahmachari","raw_affiliation_strings":["Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Block S15, 117543, Singapore, Singapore","Department of Electrical and Computer Engineering, Duke University Pratt School of Engineering, Box 90291, Durham, NC, 27708, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Block S15, 117543, Singapore, Singapore","institution_ids":["https://openalex.org/I115455960"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Duke University Pratt School of Engineering, Box 90291, Durham, NC, 27708, USA","institution_ids":["https://openalex.org/I170897317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076789740","display_name":"Josep Lumbreras","orcid":"https://orcid.org/0009-0002-3541-6148"},"institutions":[{"id":"https://openalex.org/I115455960","display_name":"Centre for Quantum Technologies","ror":"https://ror.org/01mgdzc49","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115455960"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Josep Lumbreras","raw_affiliation_strings":["Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Block S15, 117543, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0009-0002-3541-6148","affiliations":[{"raw_affiliation_string":"Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Block S15, 117543, Singapore, Singapore","institution_ids":["https://openalex.org/I115455960"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040644995","display_name":"Marco Tomamichel","orcid":"https://orcid.org/0000-0001-5410-3329"},"institutions":[{"id":"https://openalex.org/I115455960","display_name":"Centre for Quantum Technologies","ror":"https://ror.org/01mgdzc49","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115455960"]},{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Marco Tomamichel","raw_affiliation_strings":["Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Block S15, 117543, Singapore, Singapore","Department of Electrical and Computer Engineering, Faculty of Engineering, National University of Singapore, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0001-5410-3329","affiliations":[{"raw_affiliation_string":"Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Block S15, 117543, Singapore, Singapore","institution_ids":["https://openalex.org/I115455960"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Faculty of Engineering, National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5031065363"],"corresponding_institution_ids":["https://openalex.org/I115455960","https://openalex.org/I170897317"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":{"value":2390,"currency":"EUR","value_usd":2990},"fwci":1.4079,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.83386705,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"6","issue":"2","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":0.9994999766349792,"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":0.9994999766349792,"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/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.998199999332428,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.9760000109672546,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.755977213382721},{"id":"https://openalex.org/keywords/quantum","display_name":"Quantum","score":0.6077761650085449},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5399676561355591},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.29460567235946655},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08955144882202148},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.08945664763450623}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.755977213382721},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.6077761650085449},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5399676561355591},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.29460567235946655},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08955144882202148},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.08945664763450623}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s42484-024-00189-6","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s42484-024-00189-6","pdf_url":"https://link.springer.com/content/pdf/10.1007/s42484-024-00189-6.pdf","source":{"id":"https://openalex.org/S4210217596","display_name":"Quantum Machine Intelligence","issn_l":"2524-4906","issn":["2524-4906","2524-4914"],"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantum Machine Intelligence","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1007/s42484-024-00189-6","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s42484-024-00189-6","pdf_url":"https://link.springer.com/content/pdf/10.1007/s42484-024-00189-6.pdf","source":{"id":"https://openalex.org/S4210217596","display_name":"Quantum Machine Intelligence","issn_l":"2524-4906","issn":["2524-4906","2524-4914"],"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantum Machine Intelligence","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5428356290","display_name":null,"funder_award_id":"NRF2021-QEP2-02-P05","funder_id":"https://openalex.org/F4320320709","funder_display_name":"National Research Foundation Singapore"}],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320320709","display_name":"National Research Foundation Singapore","ror":"https://ror.org/03cpyc314"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4402491620.pdf","grobid_xml":"https://content.openalex.org/works/W4402491620.grobid-xml"},"referenced_works_count":34,"referenced_works":["https://openalex.org/W1973885534","https://openalex.org/W1981276685","https://openalex.org/W2056921512","https://openalex.org/W2057050711","https://openalex.org/W2061753713","https://openalex.org/W2077902449","https://openalex.org/W2092092836","https://openalex.org/W2112420033","https://openalex.org/W2161685427","https://openalex.org/W2163840227","https://openalex.org/W2210543184","https://openalex.org/W2499002200","https://openalex.org/W2738782225","https://openalex.org/W2880299821","https://openalex.org/W2893370267","https://openalex.org/W2910726239","https://openalex.org/W2912422269","https://openalex.org/W2963956175","https://openalex.org/W3006190788","https://openalex.org/W3006823398","https://openalex.org/W3022578515","https://openalex.org/W3025672821","https://openalex.org/W3083184774","https://openalex.org/W3101135395","https://openalex.org/W3103870741","https://openalex.org/W3125634603","https://openalex.org/W3138349270","https://openalex.org/W3198903821","https://openalex.org/W3211718387","https://openalex.org/W4206530644","https://openalex.org/W4213212652","https://openalex.org/W4296794220","https://openalex.org/W4382318377","https://openalex.org/W6830447470"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W4390273403","https://openalex.org/W4386781444","https://openalex.org/W2150182025","https://openalex.org/W3092950680","https://openalex.org/W3197542405","https://openalex.org/W2056712470","https://openalex.org/W3125580266","https://openalex.org/W4317039510"],"abstract_inverted_index":{"We":[0,112],"study":[1,99],"a":[2,17,29,81,108],"recommender":[3],"system":[4],"for":[5],"quantum":[6,34,73,149],"data":[7],"using":[8],"the":[9,45,49,56,59,62,70,78,84,89,92,104,118,124,127,133,137,141],"linear":[10],"contextual":[11],"bandit":[12],"framework.":[13],"In":[14],"each":[15,52],"round,":[16,53],"learner":[18,43],"receives":[19],"an":[20,147],"observable":[21],"(the":[22,36],"context)":[23],"and":[24,83,107,140],"has":[25,44],"to":[26,40,87],"recommend":[27,88],"from":[28],"finite":[30],"set":[31],"of":[32,47,58,102,123,136],"unknown":[33,63],"states":[35],"actions)":[37],"which":[38],"one":[39],"measure.":[41],"The":[42],"goal":[46,85],"maximizing":[48],"reward":[50],"in":[51],"that":[54,114],"is":[55,80,86,129],"outcome":[57],"measurement":[60],"on":[61],"state.":[64],"Using":[65],"this":[66,96],"model,":[67],"we":[68,98,116],"formulate":[69],"low":[71],"energy":[72],"state":[74,90],"recommendation":[75,128],"problem":[76],"where":[77],"context":[79],"Hamiltonian":[82],"with":[91],"lowest":[93],"energy.":[94],"For":[95],"task,":[97],"two":[100],"families":[101],"contexts:":[103],"Ising":[105],"model":[106],"generalized":[109],"cluster":[110],"model.":[111],"observe":[113],"if":[115],"interpret":[117],"actions":[119],"as":[120,146],"different":[121],"phases":[122],"models,":[125],"then":[126],"done":[130],"by":[131],"classifying":[132],"correct":[134],"phase":[135,150],"given":[138],"Hamiltonian,":[139],"strategy":[142],"can":[143],"be":[144],"interpreted":[145],"online":[148],"classifier.":[151]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}