{"id":"https://openalex.org/W3204412657","doi":"https://doi.org/10.1007/s00521-021-06493-7","title":"Deep learning approach to obtain collaborative filtering neighborhoods","display_name":"Deep learning approach to obtain collaborative filtering neighborhoods","publication_year":2021,"publication_date":"2021-10-05","ids":{"openalex":"https://openalex.org/W3204412657","doi":"https://doi.org/10.1007/s00521-021-06493-7","mag":"3204412657"},"language":"en","primary_location":{"id":"doi:10.1007/s00521-021-06493-7","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00521-021-06493-7","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00521-021-06493-7.pdf","source":{"id":"https://openalex.org/S147897268","display_name":"Neural Computing and Applications","issn_l":"0941-0643","issn":["0941-0643","1433-3058"],"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","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neural Computing and Applications","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/s00521-021-06493-7.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068658615","display_name":"Jes\u00fas Bobadilla","orcid":"https://orcid.org/0000-0003-0619-1322"},"institutions":[{"id":"https://openalex.org/I88060688","display_name":"Universidad Polit\u00e9cnica de Madrid","ror":"https://ror.org/03n6nwv02","country_code":"ES","type":"education","lineage":["https://openalex.org/I88060688"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jes\u00fas Bobadilla","raw_affiliation_strings":["Departamento de Sistemas Inform\u00e1ticos, ETSI Sistemas Inform\u00e1ticos, Universidad Polit\u00e9cnica de Madrid, C/ Alan Turing s/n, 28031, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de Sistemas Inform\u00e1ticos, ETSI Sistemas Inform\u00e1ticos, Universidad Polit\u00e9cnica de Madrid, C/ Alan Turing s/n, 28031, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023922445","display_name":"\u00c1ngel Gonz\u00e1lez-Prieto","orcid":"https://orcid.org/0000-0003-2326-6752"},"institutions":[{"id":"https://openalex.org/I121748325","display_name":"Universidad Complutense de Madrid","ror":"https://ror.org/02p0gd045","country_code":"ES","type":"education","lineage":["https://openalex.org/I121748325"]},{"id":"https://openalex.org/I134820265","display_name":"Consejo Superior de Investigaciones Cient\u00edficas","ror":"https://ror.org/02gfc7t72","country_code":"ES","type":"government","lineage":["https://openalex.org/I134820265"]},{"id":"https://openalex.org/I4210157032","display_name":"Institute of Mathematical Sciences","ror":"https://ror.org/05e9bn444","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210157032"]},{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]},{"id":"https://openalex.org/I63634437","display_name":"Universidad Aut\u00f3noma de Madrid","ror":"https://ror.org/01cby8j38","country_code":"ES","type":"education","lineage":["https://openalex.org/I63634437"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"\u00c1ngel Gonz\u00e1lez-Prieto","raw_affiliation_strings":["Departamento de \u00c1lgebra, Geometr\u00eda y Topolog\u00eda, Universidad Complutense de Madrid, Plaza Ciencias 3, 28040, Madrid, Spain","Instituto de Ciencias Matem\u00e1ticas (CSIC-UAM-UCM-UC3M), C/ Nicol\u00e1s Cabrera, 13-15, 28049, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de \u00c1lgebra, Geometr\u00eda y Topolog\u00eda, Universidad Complutense de Madrid, Plaza Ciencias 3, 28040, Madrid, Spain","institution_ids":["https://openalex.org/I121748325"]},{"raw_affiliation_string":"Instituto de Ciencias Matem\u00e1ticas (CSIC-UAM-UCM-UC3M), C/ Nicol\u00e1s Cabrera, 13-15, 28049, Madrid, Spain","institution_ids":["https://openalex.org/I4210157032","https://openalex.org/I50357001","https://openalex.org/I134820265","https://openalex.org/I63634437"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044589432","display_name":"Fernando Ortega","orcid":"https://orcid.org/0000-0003-4765-1479"},"institutions":[{"id":"https://openalex.org/I88060688","display_name":"Universidad Polit\u00e9cnica de Madrid","ror":"https://ror.org/03n6nwv02","country_code":"ES","type":"education","lineage":["https://openalex.org/I88060688"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Fernando Ortega","raw_affiliation_strings":["Departamento de Sistemas Inform\u00e1ticos, ETSI Sistemas Inform\u00e1ticos, Universidad Polit\u00e9cnica de Madrid, C/ Alan Turing s/n, 28031, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de Sistemas Inform\u00e1ticos, ETSI Sistemas Inform\u00e1ticos, Universidad Polit\u00e9cnica de Madrid, C/ Alan Turing s/n, 28031, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048392884","display_name":"Ra\u00fal Lara-Cabrera","orcid":"https://orcid.org/0000-0002-7959-1936"},"institutions":[{"id":"https://openalex.org/I88060688","display_name":"Universidad Polit\u00e9cnica de Madrid","ror":"https://ror.org/03n6nwv02","country_code":"ES","type":"education","lineage":["https://openalex.org/I88060688"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Ra\u00fal Lara-Cabrera","raw_affiliation_strings":["Departamento de Sistemas Inform\u00e1ticos, ETSI Sistemas Inform\u00e1ticos, Universidad Polit\u00e9cnica de Madrid, C/ Alan Turing s/n, 28031, Madrid, Spain"],"raw_orcid":"https://orcid.org/0000-0002-7959-1936","affiliations":[{"raw_affiliation_string":"Departamento de Sistemas Inform\u00e1ticos, ETSI Sistemas Inform\u00e1ticos, Universidad Polit\u00e9cnica de Madrid, C/ Alan Turing s/n, 28031, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5048392884"],"corresponding_institution_ids":["https://openalex.org/I88060688"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":{"value":2390,"currency":"EUR","value_usd":2990},"fwci":2.5607,"has_fulltext":true,"cited_by_count":10,"citation_normalized_percentile":{"value":0.91318631,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"34","issue":"4","first_page":"2939","last_page":"2951"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10203","display_name":"Recommender Systems and Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9589999914169312,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10775","display_name":"Generative Adversarial Networks and Image Synthesis","score":0.9325000047683716,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.832433819770813},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.8158637285232544},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.6308748126029968},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.6133043766021729},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.6105527877807617},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5987610816955566},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5599930286407471},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.555868923664093},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.5511035919189453},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.4945163428783417},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.47197017073631287},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.4115928113460541},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.34673571586608887},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.08877238631248474}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.832433819770813},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.8158637285232544},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.6308748126029968},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.6133043766021729},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.6105527877807617},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5987610816955566},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5599930286407471},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.555868923664093},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.5511035919189453},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.4945163428783417},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.47197017073631287},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.4115928113460541},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.34673571586608887},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.08877238631248474},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00521-021-06493-7","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00521-021-06493-7","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00521-021-06493-7.pdf","source":{"id":"https://openalex.org/S147897268","display_name":"Neural Computing and Applications","issn_l":"0941-0643","issn":["0941-0643","1433-3058"],"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","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neural Computing and Applications","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1007/s00521-021-06493-7","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00521-021-06493-7","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00521-021-06493-7.pdf","source":{"id":"https://openalex.org/S147897268","display_name":"Neural Computing and Applications","issn_l":"0941-0643","issn":["0941-0643","1433-3058"],"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","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neural Computing and Applications","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.7200000286102295,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[{"id":"https://openalex.org/G2607111962","display_name":null,"funder_award_id":"PID2019-106493RB-I00","funder_id":"https://openalex.org/F4320322930","funder_display_name":"Ministerio de Ciencia e Innovaci\u00f3n"}],"funders":[{"id":"https://openalex.org/F4320313831","display_name":"Comunidad de Madrid","ror":null},{"id":"https://openalex.org/F4320322138","display_name":"Universidad Polit\u00e9cnica de Madrid","ror":"https://ror.org/03n6nwv02"},{"id":"https://openalex.org/F4320322930","display_name":"Ministerio de Ciencia e Innovaci\u00f3n","ror":"https://ror.org/034900433"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3204412657.pdf","grobid_xml":"https://content.openalex.org/works/W3204412657.grobid-xml"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W238751520","https://openalex.org/W1770617812","https://openalex.org/W1971040550","https://openalex.org/W1977290284","https://openalex.org/W1980283324","https://openalex.org/W2018597607","https://openalex.org/W2025605741","https://openalex.org/W2039353303","https://openalex.org/W2100755716","https://openalex.org/W2137245235","https://openalex.org/W2177562712","https://openalex.org/W2210543184","https://openalex.org/W2219888463","https://openalex.org/W2295107390","https://openalex.org/W2475287302","https://openalex.org/W2604184171","https://openalex.org/W2604662567","https://openalex.org/W2605350416","https://openalex.org/W2611427217","https://openalex.org/W2613725451","https://openalex.org/W2740900805","https://openalex.org/W2745534091","https://openalex.org/W2783272285","https://openalex.org/W2784570262","https://openalex.org/W2788728386","https://openalex.org/W2796630939","https://openalex.org/W2803478834","https://openalex.org/W2885172183","https://openalex.org/W2901054819","https://openalex.org/W2907130618","https://openalex.org/W2911488506","https://openalex.org/W2921936186","https://openalex.org/W2935568096","https://openalex.org/W2962858109","https://openalex.org/W2963929932","https://openalex.org/W3008288562","https://openalex.org/W3008642983","https://openalex.org/W3033949471","https://openalex.org/W3036367345","https://openalex.org/W3036949266","https://openalex.org/W3043257408","https://openalex.org/W3102560000","https://openalex.org/W3120956454","https://openalex.org/W3122507327","https://openalex.org/W3124675547"],"related_works":["https://openalex.org/W1484355083","https://openalex.org/W2772628444","https://openalex.org/W4220714703","https://openalex.org/W2735929803","https://openalex.org/W2170391450","https://openalex.org/W2098758514","https://openalex.org/W3008845055","https://openalex.org/W2041004656","https://openalex.org/W4376854386","https://openalex.org/W2202724490"],"abstract_inverted_index":{"Abstract":[0],"In":[1],"the":[2,16,19,77,81,90,120,124,127,131,138,147],"context":[3],"of":[4,15,18,70,80,92,97,126,146,160],"recommender":[5],"systems":[6],"based":[7],"on":[8],"collaborative":[9],"filtering":[10],"(CF),":[11],"obtaining":[12],"accurate":[13],"neighborhoods":[14,128],"items":[17],"datasets":[20,111],"is":[21,30,150],"relevant.":[22],"Beyond":[23],"particular":[24],"individual":[25],"recommendations,":[26,37],"knowing":[27],"these":[28],"neighbors":[29],"fundamental":[31],"for":[32,137],"adding":[33],"differentiating":[34],"factors":[35],"to":[36,58,75,130],"such":[38],"as":[39],"explainability,":[40],"detecting":[41],"shilling":[42],"attacks,":[43],"visualizing":[44],"item":[45,94],"relations,":[46],"clustering,":[47],"and":[48,60,112],"providing":[49],"reliabilities.":[50],"This":[51],"paper":[52],"proposes":[53],"a":[54,71,85],"deep":[55],"learning":[56],"architecture":[57],"efficiently":[59],"accurately":[61],"obtain":[62],"CF":[63],"neighborhoods.":[64],"The":[65,116,144],"proposed":[66,121,148],"design":[67],"makes":[68],"use":[69],"classification":[72],"neural":[73],"network":[74],"encode":[76],"dataset":[78],"patterns":[79],"items,":[82],"followed":[83],"by":[84,95,153],"generative":[86],"process":[87],"that":[88,119,159],"obtains":[89],"neighborhood":[91],"each":[93],"means":[96],"an":[98],"iterative":[99],"gradient":[100],"localization":[101],"algorithm.":[102],"Experiments":[103],"have":[104],"been":[105],"conducted":[106],"using":[107],"five":[108,113,139],"popular":[109],"open":[110],"representative":[114],"baselines.":[115,143],"results":[117],"show":[118],"method":[122,149],"improves":[123],"quality":[125],"compared":[129],"K":[132],"-Nearest":[133],"Neighbors":[134],"(KNN)":[135],"algorithm":[136],"selected":[140],"similarity":[141],"measure":[142],"efficiency":[145],"also":[151],"shown":[152],"comparing":[154],"its":[155],"computational":[156],"requirements":[157],"with":[158],"KNN.":[161]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":6},{"year":2021,"cited_by_count":1}],"updated_date":"2026-06-19T15:47:20.252518","created_date":"2025-10-10T00:00:00"}