{"id":"https://openalex.org/W3088872368","doi":"https://doi.org/10.1145/3383313.3412257","title":"Recommending the Video to Watch Next: An Offline and Online Evaluation at YOUTV.de","display_name":"Recommending the Video to Watch Next: An Offline and Online Evaluation at YOUTV.de","publication_year":2020,"publication_date":"2020-09-19","ids":{"openalex":"https://openalex.org/W3088872368","doi":"https://doi.org/10.1145/3383313.3412257","mag":"3088872368"},"language":"en","primary_location":{"id":"doi:10.1145/3383313.3412257","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3383313.3412257","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Fourteenth ACM Conference on Recommender Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.scopus.com/inward/record.uri?eid=2-s2.0-85092694048&amp;doi=10.1145%2f3383313.3412257&amp;partnerID=40&amp;md5=7ffc35c9ded33816f08507a84263551f","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5004690613","display_name":"Panagiotis Symeonidis","orcid":"https://orcid.org/0000-0003-0685-3568"},"institutions":[{"id":"https://openalex.org/I171543936","display_name":"Free University of Bozen-Bolzano","ror":"https://ror.org/012ajp527","country_code":"IT","type":"education","lineage":["https://openalex.org/I171543936"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Panagiotis Symeonidis","raw_affiliation_strings":["Free University of Bozen-Bolzano, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Free University of Bozen-Bolzano, Italy","institution_ids":["https://openalex.org/I171543936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015575660","display_name":"Andrea Janes","orcid":"https://orcid.org/0000-0002-1423-6773"},"institutions":[{"id":"https://openalex.org/I171543936","display_name":"Free University of Bozen-Bolzano","ror":"https://ror.org/012ajp527","country_code":"IT","type":"education","lineage":["https://openalex.org/I171543936"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Andrea Janes","raw_affiliation_strings":["Free University of Bozen-Bolzano, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Free University of Bozen-Bolzano, Italy","institution_ids":["https://openalex.org/I171543936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016008238","display_name":"Dmitry Chaltsev","orcid":"https://orcid.org/0000-0002-1053-1783"},"institutions":[{"id":"https://openalex.org/I171543936","display_name":"Free University of Bozen-Bolzano","ror":"https://ror.org/012ajp527","country_code":"IT","type":"education","lineage":["https://openalex.org/I171543936"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Dmitry Chaltsev","raw_affiliation_strings":["Free University of Bozen-Bolzano, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Free University of Bozen-Bolzano, Italy","institution_ids":["https://openalex.org/I171543936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068709546","display_name":"Philip Giuliani","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Philip Giuliani","raw_affiliation_strings":["Keep in Mind, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Keep in Mind, Italy","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018856344","display_name":"Daniel Morandini","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniel Morandini","raw_affiliation_strings":["Keep in Mind, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Keep in Mind, Italy","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048036188","display_name":"Andreas Unterhuber","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Andreas Unterhuber","raw_affiliation_strings":["Keep in Mind, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Keep in Mind, Italy","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060454956","display_name":"Ludovik \u00c7oba","orcid":"https://orcid.org/0000-0003-1905-7472"},"institutions":[{"id":"https://openalex.org/I171543936","display_name":"Free University of Bozen-Bolzano","ror":"https://ror.org/012ajp527","country_code":"IT","type":"education","lineage":["https://openalex.org/I171543936"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Ludovik Coba","raw_affiliation_strings":["Free University of Bozen-Bolzano, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Free University of Bozen-Bolzano, Italy","institution_ids":["https://openalex.org/I171543936"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039093142","display_name":"Markus Zanker","orcid":"https://orcid.org/0000-0002-4805-5516"},"institutions":[{"id":"https://openalex.org/I171543936","display_name":"Free University of Bozen-Bolzano","ror":"https://ror.org/012ajp527","country_code":"IT","type":"education","lineage":["https://openalex.org/I171543936"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Markus Zanker","raw_affiliation_strings":["Free University of Bozen-Bolzano, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Free University of Bozen-Bolzano, Italy","institution_ids":["https://openalex.org/I171543936"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5004690613"],"corresponding_institution_ids":["https://openalex.org/I171543936"],"apc_list":null,"apc_paid":null,"fwci":2.7841,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.92448588,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"299","last_page":"308"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9907000064849854,"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/T11165","display_name":"Image and Video Quality Assessment","score":0.9797999858856201,"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":0.8356512784957886},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.7187016010284424},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.6693766117095947},{"id":"https://openalex.org/keywords/competitor-analysis","display_name":"Competitor analysis","score":0.54594486951828},{"id":"https://openalex.org/keywords/markov-chain","display_name":"Markov chain","score":0.5142795443534851},{"id":"https://openalex.org/keywords/hidden-markov-model","display_name":"Hidden Markov model","score":0.5096075534820557},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.5087085366249084},{"id":"https://openalex.org/keywords/term","display_name":"Term (time)","score":0.4516984820365906},{"id":"https://openalex.org/keywords/click-through-rate","display_name":"Click-through rate","score":0.44099652767181396},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.4283483028411865},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.36125582456588745},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.32041293382644653},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.2907017469406128},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2774209976196289}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8356512784957886},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.7187016010284424},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.6693766117095947},{"id":"https://openalex.org/C127576917","wikidata":"https://www.wikidata.org/wiki/Q624630","display_name":"Competitor analysis","level":2,"score":0.54594486951828},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.5142795443534851},{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.5096075534820557},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.5087085366249084},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.4516984820365906},{"id":"https://openalex.org/C115174607","wikidata":"https://www.wikidata.org/wiki/Q1100934","display_name":"Click-through rate","level":2,"score":0.44099652767181396},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.4283483028411865},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.36125582456588745},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.32041293382644653},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.2907017469406128},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2774209976196289},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","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}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3383313.3412257","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3383313.3412257","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Fourteenth ACM Conference on Recommender Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:alma.39UBZ_INST:11292808540001241","is_oa":true,"landing_page_url":"https://www.scopus.com/inward/record.uri?eid=2-s2.0-85092694048&amp;doi=10.1145%2f3383313.3412257&amp;partnerID=40&amp;md5=7ffc35c9ded33816f08507a84263551f","pdf_url":null,"source":{"id":"https://openalex.org/S4210197018","display_name":"View","issn_l":"2688-268X","issn":["2688-268X","2688-3988"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},{"id":"pmh:oai:unibz.it:11292808540001241","is_oa":true,"landing_page_url":"https://dl.acm.org/doi/10.1145/3383313.3412257","pdf_url":null,"source":{"id":"https://openalex.org/S4210197018","display_name":"View","issn_l":"2688-268X","issn":["2688-268X","2688-3988"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference Proceedings"}],"best_oa_location":{"id":"pmh:oai:alma.39UBZ_INST:11292808540001241","is_oa":true,"landing_page_url":"https://www.scopus.com/inward/record.uri?eid=2-s2.0-85092694048&amp;doi=10.1145%2f3383313.3412257&amp;partnerID=40&amp;md5=7ffc35c9ded33816f08507a84263551f","pdf_url":null,"source":{"id":"https://openalex.org/S4210197018","display_name":"View","issn_l":"2688-268X","issn":["2688-268X","2688-3988"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W395933519","https://openalex.org/W1968563228","https://openalex.org/W1989318262","https://openalex.org/W2013955429","https://openalex.org/W2042281163","https://openalex.org/W2105621451","https://openalex.org/W2114596616","https://openalex.org/W2123427850","https://openalex.org/W2124684648","https://openalex.org/W2153111836","https://openalex.org/W2154908680","https://openalex.org/W2171279286","https://openalex.org/W2210543184","https://openalex.org/W2469952266","https://openalex.org/W2512965516","https://openalex.org/W2625746539","https://openalex.org/W2625835497","https://openalex.org/W2654637199","https://openalex.org/W2746011824","https://openalex.org/W2795199972","https://openalex.org/W2809307135","https://openalex.org/W2886209086","https://openalex.org/W2902040508","https://openalex.org/W2964044287","https://openalex.org/W2969886764","https://openalex.org/W3098231197","https://openalex.org/W3101063193","https://openalex.org/W3102297550","https://openalex.org/W3122725723"],"related_works":["https://openalex.org/W2358804928","https://openalex.org/W4225710828","https://openalex.org/W1998528887","https://openalex.org/W2861933770","https://openalex.org/W1601893083","https://openalex.org/W2528370785","https://openalex.org/W4200335562","https://openalex.org/W2361145238","https://openalex.org/W2371267447","https://openalex.org/W2158035660"],"abstract_inverted_index":{"The":[0],"task":[1],"\u201crecommend":[2],"a":[3,18,52,61,93,112,164],"video":[4],"to":[5,37,67,133],"watch":[6],"next?\u201d":[7],"has":[8],"been":[9],"in":[10,27,35,56,87,158],"the":[11,24,28,46,70,119,122,128,143,151,159],"focus":[12,47],"of":[13,30,32,48,73,116,154,161],"recommender":[14],"systems\u2019":[15],"research":[16],"for":[17,141],"long":[19],"time.":[20],"However,":[21],"adequately":[22],"exploiting":[23],"clues":[25],"hidden":[26],"sequences":[29],"actions":[31],"user":[33],"sessions":[34],"order":[36],"reveal":[38,69],"users\u2019":[39],"short-term":[40,71,152],"intentions":[41],"moved":[42],"only":[43,103],"recently":[44],"into":[45],"research.":[49],"Based":[50],"on":[51,118],"real-world":[53,139],"application":[54],"scenario,":[55],"this":[57],"paper,":[58],"we":[59],"propose":[60],"Markov":[62],"Chain-based":[63],"transition":[64],"probability":[65],"matrix":[66],"efficiently":[68],"preferences":[72,153],"individuals.":[74],"We":[75],"experimentally":[76],"evaluated":[77],"our":[78,100,125],"proposed":[79],"method":[80,101,126],"by":[81,131,146],"comparing":[82],"it":[83],"against":[84],"state-of-the-art":[85],"algorithms":[86],"an":[88],"offline":[89],"as":[90,92,169],"well":[91],"live":[94],"evaluation":[95],"setting.":[96],"In":[97,121],"both":[98],"cases":[99],"not":[102],"demonstrated":[104],"its":[105,108],"superiority":[106],"over":[107],"competitors,":[109],"but":[110],"exposed":[111],"clearly":[113],"stronger":[114],"engagement":[115],"users":[117,155],"platform.":[120],"online":[123],"setting,":[124],"improved":[127],"click-through":[129],"rate":[130],"up":[132],"93.61%.":[134],"This":[135],"paper":[136],"therefore":[137],"contributes":[138],"evidence":[140],"improving":[142],"recommendation":[144],"effectiveness,":[145],"considering":[147],"sequence-awareness,":[148],"since":[149],"capturing":[150],"is":[156],"crucial":[157],"light":[160],"items":[162],"with":[163],"short":[165],"life":[166],"span":[167],"such":[168],"tv":[170,173],"programs":[171],"(news,":[172],"shows,":[174],"etc.).":[175]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-05-07T13:39:58.223016","created_date":"2025-10-10T00:00:00"}
