{"id":"https://openalex.org/W2750434199","doi":"https://doi.org/10.1145/3109859.3109908","title":"Exploring the Semantic Gap for Movie Recommendations","display_name":"Exploring the Semantic Gap for Movie Recommendations","publication_year":2017,"publication_date":"2017-08-24","ids":{"openalex":"https://openalex.org/W2750434199","doi":"https://doi.org/10.1145/3109859.3109908","mag":"2750434199"},"language":"en","primary_location":{"id":"doi:10.1145/3109859.3109908","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3109859.3109908","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Eleventh ACM Conference on Recommender Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/11311/1032224","any_repository_has_fulltext":true},"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/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":"Mehdi Elahi","raw_affiliation_strings":["Free University of Bozen - Bolzano, Bozen - Bolzano, Italy"],"affiliations":[{"raw_affiliation_string":"Free University of Bozen - Bolzano, Bozen - Bolzano, Italy","institution_ids":["https://openalex.org/I171543936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009954943","display_name":"Yashar Deldjoo","orcid":"https://orcid.org/0000-0002-6767-358X"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Yashar Deldjoo","raw_affiliation_strings":["Politecnico di Milano, Milano, Italy"],"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milano, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"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 Bakhshandegan Moghaddam","raw_affiliation_strings":["Karlsruhe Institute of Technology, Karlsruhe, Germany"],"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology, Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081734032","display_name":"Leonardo Cella","orcid":null},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Leonardo Cella","raw_affiliation_strings":["Politecnico di Milano, Milan, Italy"],"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025962572","display_name":"Stefano Cereda","orcid":"https://orcid.org/0000-0002-3756-3048"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Stefano Cereda","raw_affiliation_strings":["Politecnico di Milano, Milan, Italy"],"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062726854","display_name":"Paolo Cremonesi","orcid":"https://orcid.org/0000-0002-1253-8081"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Paolo Cremonesi","raw_affiliation_strings":["Politecnico di Milano, Milan, Italy"],"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5039366726"],"corresponding_institution_ids":["https://openalex.org/I171543936"],"apc_list":null,"apc_paid":null,"fwci":2.2756,"has_fulltext":false,"cited_by_count":43,"citation_normalized_percentile":{"value":0.93321981,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"326","last_page":"330"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9991999864578247,"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"}},"topics":[{"id":"https://openalex.org/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9991999864578247,"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":0.9987999796867371,"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/T11309","display_name":"Music and Audio Processing","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/semantic-gap","display_name":"Semantic gap","score":0.8649760484695435},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8293824791908264},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.786279559135437},{"id":"https://openalex.org/keywords/bridge","display_name":"Bridge (graph theory)","score":0.7611154913902283},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.6129506230354309},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.472716748714447},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.4064733386039734},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.3215394616127014},{"id":"https://openalex.org/keywords/image-retrieval","display_name":"Image retrieval","score":0.2348397672176361},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22414717078208923},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.09862154722213745}],"concepts":[{"id":"https://openalex.org/C86034646","wikidata":"https://www.wikidata.org/wiki/Q474311","display_name":"Semantic gap","level":4,"score":0.8649760484695435},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8293824791908264},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.786279559135437},{"id":"https://openalex.org/C100776233","wikidata":"https://www.wikidata.org/wiki/Q2532492","display_name":"Bridge (graph theory)","level":2,"score":0.7611154913902283},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.6129506230354309},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.472716748714447},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.4064733386039734},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.3215394616127014},{"id":"https://openalex.org/C1667742","wikidata":"https://www.wikidata.org/wiki/Q10927554","display_name":"Image retrieval","level":3,"score":0.2348397672176361},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22414717078208923},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.09862154722213745},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3109859.3109908","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3109859.3109908","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Eleventh ACM Conference on Recommender Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:alma.39UBZ_INST:11235392890001241","is_oa":false,"landing_page_url":"https://dl.acm.org/citation.cfm?id=3109908","pdf_url":null,"source":{"id":"https://openalex.org/S4210197018","display_name":"View","issn_l":"2688-268X","issn":["2688-268X","2688-3988"],"is_oa":false,"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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},{"id":"pmh:oai:re.public.polimi.it:11311/1032224","is_oa":true,"landing_page_url":"http://hdl.handle.net/11311/1032224","pdf_url":null,"source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:re.public.polimi.it:11311/1032224","is_oa":true,"landing_page_url":"http://hdl.handle.net/11311/1032224","pdf_url":null,"source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"score":0.6399999856948853,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W119627244","https://openalex.org/W298464722","https://openalex.org/W1965582578","https://openalex.org/W1987915749","https://openalex.org/W1999970330","https://openalex.org/W2009543464","https://openalex.org/W2049670925","https://openalex.org/W2112856797","https://openalex.org/W2114143824","https://openalex.org/W2125330369","https://openalex.org/W2127734848","https://openalex.org/W2130569706","https://openalex.org/W2138216384","https://openalex.org/W2143183660","https://openalex.org/W2161676175","https://openalex.org/W2162111811","https://openalex.org/W2238216200","https://openalex.org/W2338447355","https://openalex.org/W2345766955","https://openalex.org/W2346048533","https://openalex.org/W2419057357","https://openalex.org/W2492959872","https://openalex.org/W2507344042","https://openalex.org/W2510184840","https://openalex.org/W2521812234","https://openalex.org/W2588430053","https://openalex.org/W2607963818","https://openalex.org/W2666318573","https://openalex.org/W2745580567","https://openalex.org/W2785580412","https://openalex.org/W2808573650","https://openalex.org/W2908054697","https://openalex.org/W3098867666","https://openalex.org/W3125944471","https://openalex.org/W4248672808","https://openalex.org/W4293857795"],"related_works":["https://openalex.org/W2750434199","https://openalex.org/W2347374138","https://openalex.org/W2129428289","https://openalex.org/W2050635624","https://openalex.org/W2091753323","https://openalex.org/W2101447046","https://openalex.org/W2168037874","https://openalex.org/W2119303512","https://openalex.org/W2135728080","https://openalex.org/W2078285696"],"abstract_inverted_index":{"In":[0],"the":[1,11,32,54,59],"last":[2],"years,":[3],"there":[4],"has":[5,21],"been":[6,22],"much":[7],"attention":[8],"given":[9],"to":[10,24],"semantic":[12],"gap":[13,27],"problem":[14],"in":[15],"multimedia":[16,39],"retrieval":[17],"systems.":[18],"Much":[19],"effort":[20],"devoted":[23],"bridge":[25],"this":[26],"by":[28],"building":[29],"tools":[30],"for":[31],"extraction":[33],"of":[34,61],"high-level,":[35],"semantics-based":[36],"features":[37,43],"from":[38],"content,":[40],"as":[41],"low-level":[42],"are":[44],"not":[45],"considered":[46],"useful":[47],"because":[48],"they":[49],"deal":[50],"primarily":[51],"with":[52],"representing":[53],"perceived":[55],"content":[56],"rather":[57],"than":[58],"semantics":[60],"it.":[62]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
