{"id":"https://openalex.org/W3087223341","doi":"https://doi.org/10.1145/3404855","title":"Latent Unexpected Recommendations","display_name":"Latent Unexpected Recommendations","publication_year":2020,"publication_date":"2020-09-15","ids":{"openalex":"https://openalex.org/W3087223341","doi":"https://doi.org/10.1145/3404855","mag":"3087223341"},"language":"en","primary_location":{"id":"doi:10.1145/3404855","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3404855","pdf_url":null,"source":{"id":"https://openalex.org/S2492086750","display_name":"ACM Transactions on Intelligent Systems and Technology","issn_l":"2157-6904","issn":["2157-6904","2157-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Intelligent Systems and Technology","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/A5100620224","display_name":"Pan Li","orcid":"https://orcid.org/0000-0003-4957-3064"},"institutions":[{"id":"https://openalex.org/I57206974","display_name":"New York University","ror":"https://ror.org/0190ak572","country_code":"US","type":"education","lineage":["https://openalex.org/I57206974"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Pan Li","raw_affiliation_strings":["New York University, Stern School of Business, New York, NY"],"raw_orcid":"https://orcid.org/0000-0003-4957-3064","affiliations":[{"raw_affiliation_string":"New York University, Stern School of Business, New York, NY","institution_ids":["https://openalex.org/I57206974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016384155","display_name":"Alexander Tuzhilin","orcid":"https://orcid.org/0000-0003-3354-8462"},"institutions":[{"id":"https://openalex.org/I57206974","display_name":"New York University","ror":"https://ror.org/0190ak572","country_code":"US","type":"education","lineage":["https://openalex.org/I57206974"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alexander Tuzhilin","raw_affiliation_strings":["New York University, Stern School of Business, New York, NY"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"New York University, Stern School of Business, New York, NY","institution_ids":["https://openalex.org/I57206974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I57206974"],"apc_list":null,"apc_paid":null,"fwci":1.6327,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.88211943,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"11","issue":"6","first_page":"1","last_page":"25"},"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/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.9991000294685364,"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/T12761","display_name":"Data Stream Mining Techniques","score":0.9902999997138977,"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/computer-science","display_name":"Computer science","score":0.8726116418838501},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.6798617839813232},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.6139212250709534},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.5884101986885071},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.538671612739563},{"id":"https://openalex.org/keywords/construct","display_name":"Construct (python library)","score":0.535434365272522},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.49466630816459656},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.46504393219947815},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.46455734968185425},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.4632019102573395},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4163437485694885},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.4157702922821045},{"id":"https://openalex.org/keywords/boredom","display_name":"Boredom","score":0.41535547375679016},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3965546190738678}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8726116418838501},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.6798617839813232},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.6139212250709534},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.5884101986885071},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.538671612739563},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.535434365272522},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.49466630816459656},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.46504393219947815},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.46455734968185425},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.4632019102573395},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4163437485694885},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.4157702922821045},{"id":"https://openalex.org/C2777589236","wikidata":"https://www.wikidata.org/wiki/Q34255","display_name":"Boredom","level":2,"score":0.41535547375679016},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3965546190738678},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"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/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","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:10.1145/3404855","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3404855","pdf_url":null,"source":{"id":"https://openalex.org/S2492086750","display_name":"ACM Transactions on Intelligent Systems and Technology","issn_l":"2157-6904","issn":["2157-6904","2157-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Intelligent Systems and Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":68,"referenced_works":["https://openalex.org/W1560799855","https://openalex.org/W1573040851","https://openalex.org/W1720514416","https://openalex.org/W1774663064","https://openalex.org/W1971040550","https://openalex.org/W1976757813","https://openalex.org/W1982847643","https://openalex.org/W1986981703","https://openalex.org/W1991885946","https://openalex.org/W1996533415","https://openalex.org/W2003810236","https://openalex.org/W2009718036","https://openalex.org/W2010187764","https://openalex.org/W2013244384","https://openalex.org/W2023858600","https://openalex.org/W2023954349","https://openalex.org/W2033213271","https://openalex.org/W2045453095","https://openalex.org/W2070473734","https://openalex.org/W2070700141","https://openalex.org/W2075010670","https://openalex.org/W2076096235","https://openalex.org/W2078428190","https://openalex.org/W2079728196","https://openalex.org/W2087640086","https://openalex.org/W2100526392","https://openalex.org/W2109193355","https://openalex.org/W2111094216","https://openalex.org/W2113885898","https://openalex.org/W2136944193","https://openalex.org/W2143243701","https://openalex.org/W2144807535","https://openalex.org/W2147589600","https://openalex.org/W2148933855","https://openalex.org/W2153504150","https://openalex.org/W2153578526","https://openalex.org/W2155912844","https://openalex.org/W2156616870","https://openalex.org/W2161676175","https://openalex.org/W2164646033","https://openalex.org/W2187089797","https://openalex.org/W2267735350","https://openalex.org/W2286081412","https://openalex.org/W2295739661","https://openalex.org/W2417969024","https://openalex.org/W2476960546","https://openalex.org/W2562236173","https://openalex.org/W2605350416","https://openalex.org/W2739273093","https://openalex.org/W2743104969","https://openalex.org/W2750237488","https://openalex.org/W2788728386","https://openalex.org/W2803794535","https://openalex.org/W2908054697","https://openalex.org/W2913853152","https://openalex.org/W2953771943","https://openalex.org/W2962756421","https://openalex.org/W2963465723","https://openalex.org/W2963601856","https://openalex.org/W2963707260","https://openalex.org/W2963919031","https://openalex.org/W2973142485","https://openalex.org/W2982108874","https://openalex.org/W2996891863","https://openalex.org/W3122507327","https://openalex.org/W3124675547","https://openalex.org/W3143596294","https://openalex.org/W4243863304"],"related_works":["https://openalex.org/W2348159088","https://openalex.org/W2402445420","https://openalex.org/W1773619406","https://openalex.org/W2377968345","https://openalex.org/W2054678935","https://openalex.org/W2075040002","https://openalex.org/W221624661","https://openalex.org/W2573253449","https://openalex.org/W2126026531","https://openalex.org/W2977378428"],"abstract_inverted_index":{"Unexpected":[0],"recommender":[1],"system":[2],"constitutes":[3],"an":[4],"important":[5],"tool":[6],"to":[7,25,63,69,75,90,112,147],"tackle":[8],"the":[9,29,39,52,58,79,124,140],"problem":[10],"of":[11,60,82,135],"filter":[12],"bubbles":[13],"and":[14,22,45,84,93,99,118],"user":[15,46,83],"boredom,":[16],"which":[17,87,145],"aims":[18],"at":[19,28],"providing":[20],"unexpected":[21,33,120,142],"satisfying":[23],"recommendations":[24,44,98,121],"target":[26],"users":[27],"same":[30],"time.":[31],"Previous":[32],"recommendation":[34,143],"methods":[35],"only":[36],"focus":[37],"on":[38,123,129],"straightforward":[40],"relations":[41,95],"between":[42,96],"current":[43],"expectations":[47],"by":[48],"modeling":[49],"unexpectedness":[50,65,77,151],"in":[51,57,78,150,162],"feature":[53],"space,":[54],"thus":[55],"resulting":[56],"loss":[59],"accuracy":[61,156],"measures":[62],"improve":[64],"performance.":[66],"In":[67,102],"contrast":[68],"these":[70],"prior":[71],"models,":[72,144],"we":[73,104],"propose":[74],"model":[76],"latent":[80],"space":[81],"item":[85],"embeddings,":[86],"allows":[88],"us":[89],"capture":[91],"hidden":[92],"complex":[94],"new":[97],"historic":[100],"purchases.":[101],"addition,":[103],"develop":[105],"a":[106,114],"novel":[107],"Latent":[108],"Closure":[109],"(LC)":[110],"method":[111],"construct":[113],"hybrid":[115],"utility":[116],"function":[117],"provide":[119],"based":[122],"proposed":[125,137],"model.":[126],"Extensive":[127],"experiments":[128],"three":[130],"real-world":[131],"datasets":[132],"illustrate":[133],"superiority":[134],"our":[136],"approach":[138],"over":[139],"state-of-the-art":[141],"leads":[146],"significant":[148],"increase":[149],"measure":[152],"without":[153],"sacrificing":[154],"any":[155],"metric":[157],"under":[158],"all":[159],"experimental":[160],"settings":[161],"this":[163],"article.":[164]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}