{"id":"https://openalex.org/W3045122204","doi":"https://doi.org/10.1109/mis.2020.3010298","title":"Contextual Bandits With Hidden Features to Online Recommendation via Sparse Interactions","display_name":"Contextual Bandits With Hidden Features to Online Recommendation via Sparse Interactions","publication_year":2020,"publication_date":"2020-07-20","ids":{"openalex":"https://openalex.org/W3045122204","doi":"https://doi.org/10.1109/mis.2020.3010298","mag":"3045122204"},"language":"en","primary_location":{"id":"doi:10.1109/mis.2020.3010298","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mis.2020.3010298","pdf_url":null,"source":{"id":"https://openalex.org/S114241109","display_name":"IEEE Intelligent Systems","issn_l":"1541-1672","issn":["1541-1672","1941-1294"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Intelligent Systems","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/A5100764370","display_name":"Shangdong Yang","orcid":"https://orcid.org/0000-0001-5379-9539"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shangdong Yang","raw_affiliation_strings":["Nanjing University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing University","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100704211","display_name":"Hao Wang","orcid":"https://orcid.org/0000-0002-3243-487X"},"institutions":[{"id":"https://openalex.org/I4210116052","display_name":"Inception Institute of Artificial Intelligence","ror":"https://ror.org/02664zk40","country_code":"AE","type":"facility","lineage":["https://openalex.org/I4210116052"]}],"countries":["AE"],"is_corresponding":false,"raw_author_name":"Hao Wang","raw_affiliation_strings":["Inception Institute of Artificial Intelligence"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inception Institute of Artificial Intelligence","institution_ids":["https://openalex.org/I4210116052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100377480","display_name":"Chenyu Zhang","orcid":"https://orcid.org/0000-0002-2942-7257"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenyu Zhang","raw_affiliation_strings":["Nanjing University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing University","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074250521","display_name":"Yang Gao","orcid":"https://orcid.org/0000-0002-2488-1813"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Gao","raw_affiliation_strings":["Nanjing University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing University","institution_ids":["https://openalex.org/I881766915"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0812,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.79949164,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"35","issue":"5","first_page":"62","last_page":"72"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12101","display_name":"Advanced Bandit Algorithms Research","score":1.0,"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":1.0,"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/T10603","display_name":"Smart Grid Energy Management","score":0.9902999997138977,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9848999977111816,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.8700469136238098},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8531504273414612},{"id":"https://openalex.org/keywords/preference","display_name":"Preference","score":0.5738190412521362},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.5695905685424805},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.5165025591850281},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.48889318108558655},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.430133581161499},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.43011510372161865}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.8700469136238098},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8531504273414612},{"id":"https://openalex.org/C2781249084","wikidata":"https://www.wikidata.org/wiki/Q908656","display_name":"Preference","level":2,"score":0.5738190412521362},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.5695905685424805},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5165025591850281},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.48889318108558655},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.430133581161499},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.43011510372161865},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"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/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","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:10.1109/mis.2020.3010298","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mis.2020.3010298","pdf_url":null,"source":{"id":"https://openalex.org/S114241109","display_name":"IEEE Intelligent Systems","issn_l":"1541-1672","issn":["1541-1672","1941-1294"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Intelligent Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3476925379","display_name":null,"funder_award_id":"201801B051","funder_id":"https://openalex.org/F4320324852","funder_display_name":"Nanjing University"}],"funders":[{"id":"https://openalex.org/F4320324852","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2108114251","https://openalex.org/W2112420033","https://openalex.org/W2119738618","https://openalex.org/W2166253248","https://openalex.org/W2168405694","https://openalex.org/W2532022121","https://openalex.org/W2592998600","https://openalex.org/W2788997749","https://openalex.org/W2927265932","https://openalex.org/W2965744319","https://openalex.org/W3100480425","https://openalex.org/W4299286629","https://openalex.org/W6676576766","https://openalex.org/W6684588631","https://openalex.org/W6748441964"],"related_works":["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/W4288390103","https://openalex.org/W4317039510","https://openalex.org/W1657011257"],"abstract_inverted_index":{"Online":[0],"recommendation":[1,43,92],"is":[2,77,88,137],"an":[3],"important":[4],"feature":[5],"in":[6],"many":[7],"applications.":[8],"In":[9,102],"practice,":[10],"the":[11,14,17,24,31,42,48,80,95,135,158],"interaction":[12],"between":[13,97],"users":[15,25,37],"and":[16,84,99,153,167],"recommender":[18,32],"system":[19],"might":[20],"be":[21,58],"sparse,":[22],"i.e.,":[23],"are":[26,147],"not":[27,56],"always":[28],"interacting":[29,138],"with":[30],"system.":[33],"For":[34],"example,":[35],"some":[36],"prefer":[38],"to":[39,68,79,110,156],"sweep":[40],"around":[41],"instead":[44],"of":[45,53],"clicking":[46],"into":[47],"details.":[49],"Therefore,":[50],"a":[51,59,63,107,119],"response":[52],"zero":[54],"may":[55],"necessarily":[57],"negative":[60,100,154],"response,":[61],"but":[62],"nonresponse.":[64],"It":[65,150],"comes":[66],"worse":[67],"distinguish":[69],"these":[70],"two":[71],"situations":[72],"when":[73],"only":[74],"one":[75],"item":[76],"recommended":[78],"user":[81,136,159],"each":[82],"time":[83],"few":[85],"further":[86],"information":[87],"reachable.":[89],"Most":[90],"existing":[91],"strategies":[93],"ignore":[94],"difference":[96],"nonresponses":[98],"responses.":[101],"this":[103],"article,":[104],"we":[105],"propose":[106],"novel":[108],"approach":[109],"make":[111],"online":[112,126],"recommendations":[113],"via":[114],"sparse":[115],"interactions.":[116],"We":[117],"design":[118],"contextual":[120],"bandit":[121],"algorithm,":[122],"named":[123],"hSAOR,":[124],"for":[125],"recommendation.":[127],"Our":[128],"method":[129],"makes":[130],"probabilistic":[131],"estimations":[132],"on":[133],"whether":[134],"or":[139],"not,":[140],"by":[141],"reasonably":[142],"assuming":[143],"that":[144],"similar":[145],"items":[146],"similarly":[148],"attractive.":[149],"uses":[151],"positive":[152],"responses":[155],"build":[157],"preference":[160],"model,":[161],"ignoring":[162],"all":[163],"nonresponses.":[164],"Theoretical":[165],"analyses":[166],"experimental":[168],"results":[169],"demonstrate":[170],"its":[171],"effectiveness.":[172]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
