{"id":"https://openalex.org/W3041625068","doi":"https://doi.org/10.1145/3372923.3404778","title":"Visually-Aware Video Recommendation in the Cold Start","display_name":"Visually-Aware Video Recommendation in the Cold Start","publication_year":2020,"publication_date":"2020-07-09","ids":{"openalex":"https://openalex.org/W3041625068","doi":"https://doi.org/10.1145/3372923.3404778","mag":"3041625068"},"language":"en","primary_location":{"id":"doi:10.1145/3372923.3404778","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3372923.3404778","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 31st ACM Conference on Hypertext and Social Media","raw_type":"proceedings-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/A5039366726","display_name":"Mehdi Elahi","orcid":"https://orcid.org/0000-0003-2203-9195"},"institutions":[{"id":"https://openalex.org/I4432739","display_name":"University of Bergen","ror":"https://ror.org/03zga2b32","country_code":"NO","type":"education","lineage":["https://openalex.org/I4432739"]}],"countries":["NO"],"is_corresponding":true,"raw_author_name":"Mehdi Elahi","raw_affiliation_strings":["University of Bergen, Bergen, Norway"],"affiliations":[{"raw_affiliation_string":"University of Bergen, Bergen, Norway","institution_ids":["https://openalex.org/I4432739"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100758253","display_name":"M. Reza Hosseini","orcid":"https://orcid.org/0000-0001-8675-736X"},"institutions":[{"id":"https://openalex.org/I4210106073","display_name":"Vaillant (Germany)","ror":"https://ror.org/0108txz43","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210106073"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Reza Hosseini","raw_affiliation_strings":["Vaillant Group Business Services, Remscheid, Germany"],"affiliations":[{"raw_affiliation_string":"Vaillant Group Business Services, Remscheid, Germany","institution_ids":["https://openalex.org/I4210106073"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012696579","display_name":"Mohammad Hossein Rimaz","orcid":"https://orcid.org/0000-0002-7777-9556"},"institutions":[{"id":"https://openalex.org/I186354981","display_name":"University of Passau","ror":"https://ror.org/05ydjnb78","country_code":"DE","type":"education","lineage":["https://openalex.org/I186354981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Mohammad H. Rimaz","raw_affiliation_strings":["University of Passau, Passau, Germany"],"affiliations":[{"raw_affiliation_string":"University of Passau, Passau, Germany","institution_ids":["https://openalex.org/I186354981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023256605","display_name":"Farshad Bakhshandegan Moghaddam","orcid":null},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Farshad B. Moghaddam","raw_affiliation_strings":["Karlsruhe Institute of Technology Karlsruhe, Karlsruhe, Germany"],"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology Karlsruhe, Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068502672","display_name":"Christoph Trattner","orcid":"https://orcid.org/0000-0002-1193-0508"},"institutions":[{"id":"https://openalex.org/I4432739","display_name":"University of Bergen","ror":"https://ror.org/03zga2b32","country_code":"NO","type":"education","lineage":["https://openalex.org/I4432739"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Christoph Trattner","raw_affiliation_strings":["University of Bergen, Bergen, Norway"],"affiliations":[{"raw_affiliation_string":"University of Bergen, Bergen, Norway","institution_ids":["https://openalex.org/I4432739"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5039366726"],"corresponding_institution_ids":["https://openalex.org/I4432739"],"apc_list":null,"apc_paid":null,"fwci":2.5044,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.91584313,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"225","last_page":"229"},"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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9945999979972839,"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/T11439","display_name":"Video Analysis and Summarization","score":0.9919999837875366,"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/recommender-system","display_name":"Recommender system","score":0.9258345365524292},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.824629545211792},{"id":"https://openalex.org/keywords/cold-start","display_name":"Cold start (automotive)","score":0.7902971506118774},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.4294716715812683},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.42917540669441223},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.4135305881500244},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3358595073223114}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.9258345365524292},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.824629545211792},{"id":"https://openalex.org/C2778956030","wikidata":"https://www.wikidata.org/wiki/Q5142477","display_name":"Cold start (automotive)","level":2,"score":0.7902971506118774},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.4294716715812683},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.42917540669441223},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.4135305881500244},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3358595073223114},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3372923.3404778","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3372923.3404778","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 31st ACM Conference on Hypertext and Social Media","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W163019065","https://openalex.org/W1772987693","https://openalex.org/W1971460256","https://openalex.org/W2004040726","https://openalex.org/W2011504748","https://openalex.org/W2020600820","https://openalex.org/W2039759410","https://openalex.org/W2065025741","https://openalex.org/W2099736636","https://openalex.org/W2100454127","https://openalex.org/W2113615606","https://openalex.org/W2119288237","https://openalex.org/W2125658185","https://openalex.org/W2138043589","https://openalex.org/W2165949563","https://openalex.org/W2187089797","https://openalex.org/W2219888463","https://openalex.org/W2238216200","https://openalex.org/W2273486809","https://openalex.org/W2346048533","https://openalex.org/W2441269247","https://openalex.org/W2666318573","https://openalex.org/W2746585774","https://openalex.org/W2750434199","https://openalex.org/W2764159532","https://openalex.org/W2788264489","https://openalex.org/W2808573650","https://openalex.org/W2908054697","https://openalex.org/W2915512833","https://openalex.org/W2963947225","https://openalex.org/W2982503677","https://openalex.org/W3105096762","https://openalex.org/W3141779049","https://openalex.org/W4240980853","https://openalex.org/W4249267926","https://openalex.org/W4254507557"],"related_works":["https://openalex.org/W1484355083","https://openalex.org/W2772628444","https://openalex.org/W4220714703","https://openalex.org/W2098758514","https://openalex.org/W3008845055","https://openalex.org/W2358418295","https://openalex.org/W2170391450","https://openalex.org/W2497939785","https://openalex.org/W4376854386","https://openalex.org/W2735929803"],"abstract_inverted_index":{"Recommender":[0],"Systems":[1],"have":[2,14],"become":[3],"essential":[4],"tools":[5],"in":[6,19,23],"any":[7],"modern":[8],"video-sharing":[9,24],"platform.":[10],"Although,":[11],"recommender":[12,57],"systems":[13],"shown":[15],"to":[16,51,77,83],"be":[17],"effective":[18],"generating":[20],"personalized":[21],"suggestions":[22],"platforms,":[25],"however,":[26],"they":[27],"suffer":[28],"from":[29],"the":[30,52,56,73,80,84],"so-called":[31],"New":[32,35],"Item":[33],"problem.":[34],"item":[36,48,82],"problem,":[37,43],"as":[38],"part":[39],"of":[40],"Cold":[41],"Start":[42],"happens":[44],"when":[45],"a":[46,71],"new":[47,67,81],"is":[49],"added":[50],"system":[53,58,74],"catalogue":[54],"and":[55],"has":[59],"no":[60],"or":[61],"little":[62],"data":[63],"available":[64],"for":[65],"that":[66],"item.":[68],"In":[69],"such":[70],"case,":[72],"may":[75],"fail":[76],"meaningfully":[78],"recommend":[79],"users.":[85]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":1}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}