{"id":"https://openalex.org/W3187038321","doi":"https://doi.org/10.3390/e23080970","title":"Feature Selection for Recommender Systems with Quantum Computing","display_name":"Feature Selection for Recommender Systems with Quantum Computing","publication_year":2021,"publication_date":"2021-07-28","ids":{"openalex":"https://openalex.org/W3187038321","doi":"https://doi.org/10.3390/e23080970","mag":"3187038321","pmid":"https://pubmed.ncbi.nlm.nih.gov/34441110"},"language":"en","primary_location":{"id":"doi:10.3390/e23080970","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e23080970","pdf_url":"https://www.mdpi.com/1099-4300/23/8/970/pdf?version=1629079220","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"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":"Entropy","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1099-4300/23/8/970/pdf?version=1629079220","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Riccardo Nembrini","orcid":"https://orcid.org/0000-0002-1915-6107"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Riccardo Nembrini","raw_affiliation_strings":["ContentWise, Politecnico di Milano, Via Privata Simone Schiaffino, 11, 20158 Milano, Italy"],"affiliations":[{"raw_affiliation_string":"ContentWise, Politecnico di Milano, Via Privata Simone Schiaffino, 11, 20158 Milano, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Maurizio Ferrari Dacrema","orcid":"https://orcid.org/0000-0001-7103-2788"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Maurizio Ferrari Dacrema","raw_affiliation_strings":["ContentWise, Politecnico di Milano, Via Privata Simone Schiaffino, 11, 20158 Milano, Italy"],"affiliations":[{"raw_affiliation_string":"ContentWise, Politecnico di Milano, Via Privata Simone Schiaffino, 11, 20158 Milano, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"last","author":{"id":null,"display_name":"Paolo Cremonesi","orcid":"https://orcid.org/0000-0002-1253-8081"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Paolo Cremonesi","raw_affiliation_strings":["ContentWise, Politecnico di Milano, Via Privata Simone Schiaffino, 11, 20158 Milano, Italy"],"affiliations":[{"raw_affiliation_string":"ContentWise, Politecnico di Milano, Via Privata Simone Schiaffino, 11, 20158 Milano, Italy","institution_ids":["https://openalex.org/I93860229"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I93860229"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2165},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2165},"fwci":4.0597,"has_fulltext":false,"cited_by_count":48,"citation_normalized_percentile":{"value":0.94789569,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"23","issue":"8","first_page":"970","last_page":"970"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.9472000002861023,"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"}},"topics":[{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.9472000002861023,"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/T10622","display_name":"Quantum Mechanics and Applications","score":0.011300000362098217,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.0044999998062849045,"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/quantum-computer","display_name":"Quantum computer","score":0.6237999796867371},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.5573999881744385},{"id":"https://openalex.org/keywords/feature-selection","display_name":"Feature selection","score":0.5286999940872192},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4968999922275543},{"id":"https://openalex.org/keywords/quantum","display_name":"Quantum","score":0.491100013256073},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.48989999294281006},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4383000135421753}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8001000285148621},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.6237999796867371},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5573999881744385},{"id":"https://openalex.org/C148483581","wikidata":"https://www.wikidata.org/wiki/Q446488","display_name":"Feature selection","level":2,"score":0.5286999940872192},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4968999922275543},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.491100013256073},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.48989999294281006},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4616999924182892},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4383000135421753},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41449999809265137},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.39259999990463257},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.34940001368522644},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3359000086784363},{"id":"https://openalex.org/C2778757428","wikidata":"https://www.wikidata.org/wiki/Q1250464","display_name":"Realm","level":2,"score":0.3172999918460846},{"id":"https://openalex.org/C111012933","wikidata":"https://www.wikidata.org/wiki/Q3137210","display_name":"Rough set","level":2,"score":0.29499998688697815},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.26489999890327454},{"id":"https://openalex.org/C137019171","wikidata":"https://www.wikidata.org/wiki/Q2623817","display_name":"Quantum algorithm","level":3,"score":0.2624000012874603},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.25440001487731934}],"mesh":[],"locations_count":7,"locations":[{"id":"doi:10.3390/e23080970","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e23080970","pdf_url":"https://www.mdpi.com/1099-4300/23/8/970/pdf?version=1629079220","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"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":"Entropy","raw_type":"journal-article"},{"id":"pmid:34441110","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34441110","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:arXiv.org:2110.05089","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2110.05089","pdf_url":"https://arxiv.org/pdf/2110.05089","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:doaj.org/article:f3330d2057214e309ebe4450ba9d77e8","is_oa":true,"landing_page_url":"https://doaj.org/article/f3330d2057214e309ebe4450ba9d77e8","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy, Vol 23, Iss 8, p 970 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1099-4300/23/8/970/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/e23080970","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":"Entropy; Volume 23; Issue 8; Pages: 970","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8391326","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8391326","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"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":"Entropy (Basel)","raw_type":"Text"},{"id":"pmh:oai:re.public.polimi.it:11311/1182168","is_oa":true,"landing_page_url":"https://hdl.handle.net/11311/1182168","pdf_url":null,"source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.3390/e23080970","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e23080970","pdf_url":"https://www.mdpi.com/1099-4300/23/8/970/pdf?version=1629079220","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"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":"Entropy","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3187038321.pdf","grobid_xml":"https://content.openalex.org/works/W3187038321.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W1587374567","https://openalex.org/W1952430466","https://openalex.org/W1978536401","https://openalex.org/W2024060531","https://openalex.org/W2039122980","https://openalex.org/W2042281163","https://openalex.org/W2102982709","https://openalex.org/W2111094216","https://openalex.org/W2129874988","https://openalex.org/W2146047772","https://openalex.org/W2150886314","https://openalex.org/W2167101736","https://openalex.org/W2399607792","https://openalex.org/W2605422054","https://openalex.org/W2725606191","https://openalex.org/W2880299821","https://openalex.org/W2889199783","https://openalex.org/W2897914876","https://openalex.org/W2904046874","https://openalex.org/W2916790858","https://openalex.org/W2929269727","https://openalex.org/W2957191877","https://openalex.org/W2963546261","https://openalex.org/W2971736115","https://openalex.org/W2982852456","https://openalex.org/W2987577970","https://openalex.org/W2990475267","https://openalex.org/W3070853042","https://openalex.org/W3175021099","https://openalex.org/W6786278732"],"related_works":[],"abstract_inverted_index":{"The":[0,160],"promise":[1],"of":[2,23,75,92,97,174,190],"quantum":[3,26,49,155,179],"computing":[4],"to":[5,33,54,68,89,117,185],"open":[6],"new":[7],"unexplored":[8],"possibilities":[9],"in":[10,40,61,104,135,169],"several":[11],"scientific":[12],"fields":[13],"has":[14,28],"been":[15],"long":[16],"discussed,":[17],"but":[18,47],"until":[19],"recently":[20],"the":[21,41,55,90,98,129,136,142,164,187],"lack":[22],"a":[24,73,119,153,171],"functional":[25,48],"computer":[27],"confined":[29],"this":[30,93,105,112],"discussion":[31],"mostly":[32],"theoretical":[34],"algorithmic":[35],"papers.":[36],"It":[37],"was":[38],"only":[39],"last":[42],"few":[43],"years":[44],"that":[45,100,127,163,178],"small":[46],"computers":[50,180],"have":[51],"become":[52],"available":[53],"broader":[56],"research":[57,83],"community.":[58],"One":[59,96],"paradigm":[60],"particular,":[62],"<i>quantum":[63],"annealing</i>,":[64],"can":[65],"be":[66],"used":[67],"sample":[69],"optimal":[70],"solutions":[71],"for":[72,124],"number":[74],"NP-hard":[76],"optimization":[77,147],"problems":[78],"represented":[79],"with":[80],"classical":[81],"operations":[82],"tools,":[84],"providing":[85],"an":[86,146],"easy":[87],"access":[88],"potential":[91],"emerging":[94],"technology.":[95],"tasks":[99],"most":[101],"naturally":[102],"fits":[103],"mathematical":[106],"formulation":[107],"is":[108,167],"feature":[109,121,143],"selection.":[110],"In":[111],"paper,":[113],"we":[114],"investigate":[115],"how":[116],"design":[118],"hybrid":[120],"selection":[122,144],"algorithm":[123],"recommender":[125],"systems":[126],"leverages":[128],"domain":[130],"knowledge":[131],"and":[132,149,177],"behavior":[133],"hidden":[134],"user":[137],"interactions":[138],"data.":[139],"We":[140],"represent":[141],"as":[145],"problem":[148],"solve":[150],"it":[151],"on":[152],"real":[154],"computer,":[156],"provided":[157],"by":[158],"D-Wave.":[159],"results":[161],"indicate":[162],"proposed":[165],"approach":[166],"effective":[168],"selecting":[170],"limited":[172],"set":[173],"important":[175],"features":[176],"are":[181],"becoming":[182],"powerful":[183],"enough":[184],"enter":[186],"wider":[188],"realm":[189],"applied":[191],"science.":[192]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":16},{"year":2024,"cited_by_count":13},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":10}],"updated_date":"2026-03-24T08:02:53.985720","created_date":"2021-08-02T00:00:00"}
