{"id":"https://openalex.org/W2885895698","doi":"https://doi.org/10.5220/0004835601720183","title":"Comparing Topic Models for a Movie Recommendation System","display_name":"Comparing Topic Models for a Movie Recommendation System","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W2885895698","doi":"https://doi.org/10.5220/0004835601720183","mag":"2885895698"},"language":"en","primary_location":{"id":"doi:10.5220/0004835601720183","is_oa":true,"landing_page_url":"https://doi.org/10.5220/0004835601720183","pdf_url":null,"source":null,"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 10th International Conference on Web Information Systems and Technologies","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.5220/0004835601720183","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5037830808","display_name":"Sonia Bergamaschi","orcid":"https://orcid.org/0000-0001-8087-6587"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sonia Bergamaschi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067680521","display_name":"Laura Po","orcid":"https://orcid.org/0000-0002-3345-176X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Laura Po","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5089840737","display_name":"Serena Sorrentino","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Serena Sorrentino","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"172","last_page":"183"},"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/T10028","display_name":"Topic Modeling","score":0.9973000288009644,"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"}},{"id":"https://openalex.org/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9936000108718872,"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":0.695531964302063},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.628770112991333},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.410684734582901}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.695531964302063},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.628770112991333},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.410684734582901}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5220/0004835601720183","is_oa":true,"landing_page_url":"https://doi.org/10.5220/0004835601720183","pdf_url":null,"source":null,"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 10th International Conference on Web Information Systems and Technologies","raw_type":"proceedings-article"},{"id":"pmh:oai:iris.unimore.it:11380/1020713","is_oa":true,"landing_page_url":"http://hdl.handle.net/11380/1020713","pdf_url":null,"source":{"id":"https://openalex.org/S4306400718","display_name":"IRIS UNIMORE (University of Modena and Reggio Emilia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I122346577","host_organization_name":"University of Modena and Reggio Emilia","host_organization_lineage":["https://openalex.org/I122346577"],"host_organization_lineage_names":[],"type":"repository"},"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":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"doi:10.5220/0004835601720183","is_oa":true,"landing_page_url":"https://doi.org/10.5220/0004835601720183","pdf_url":null,"source":null,"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 10th International Conference on Web Information Systems and Technologies","raw_type":"proceedings-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.5400000214576721,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W145425800","https://openalex.org/W168564468","https://openalex.org/W1880262756","https://openalex.org/W1978707534","https://openalex.org/W1980147176","https://openalex.org/W1984251878","https://openalex.org/W1984970925","https://openalex.org/W1988835235","https://openalex.org/W2003862930","https://openalex.org/W2030385985","https://openalex.org/W2031237011","https://openalex.org/W2054141820","https://openalex.org/W2096235681","https://openalex.org/W2098414137","https://openalex.org/W2105953200","https://openalex.org/W2118934678","https://openalex.org/W2125119238","https://openalex.org/W2147152072","https://openalex.org/W2152311353","https://openalex.org/W2155201359","https://openalex.org/W2165612380","https://openalex.org/W2171960770","https://openalex.org/W2436001372"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W4386781444","https://openalex.org/W3092950680","https://openalex.org/W2150182025","https://openalex.org/W4246980185","https://openalex.org/W4317039510","https://openalex.org/W3197542405","https://openalex.org/W2418190244","https://openalex.org/W4238861846","https://openalex.org/W3125580266"],"abstract_inverted_index":{"Recommendation":[0],"systems":[1],"have":[2,95,133],"become":[3],"successful":[4],"at":[5],"suggesting":[6],"content":[7,229],"that":[8,69,151,159,222],"are":[9,30,70,111,223],"likely":[10],"to":[11,15,62,73,140,158,190,211,227],"be":[12,188],"of":[13,46,58,66,85,105,115,154,160,166,205,230],"interest":[14],"the":[16,27,44,54,56,59,74,116,120,152,164,203,228,231,233],"user,":[17,55],"however":[18],"their":[19],"performance":[20,135,153],"greatly":[21],"suffers":[22],"when":[23],"little":[24],"information":[25],"about":[26],"users":[28,139],"preferences":[29],"given.":[31],"In":[32],"this":[33],"paper":[34],"we":[35,118,132],"propose":[36],"an":[37,112],"automated":[38],"movie":[39,51,103],"recommendation":[40],"system":[41,60,172],"based":[42,124],"on":[43,101,125,129,182],"similarity":[45],"movie:":[47],"given":[48],"a":[49,64,102,145],"target":[50,75],"selected":[52],"by":[53],"goal":[57],"is":[61,200,209],"provide":[63],"list":[65],"those":[67],"movies":[68,214,221],"most":[71],"similar":[72,167],"one,":[76],"without":[77],"knowing":[78],"any":[79,191],"user":[80,130,206,234],"preferences.":[81],"The":[82,148],"Topic":[83],"Models":[84],"Latent":[86,91],"Semantic":[87],"Allocation":[88,93],"(LSA)":[89],"and":[90,98,128],"Dirichlet":[92],"(LDA)":[94],"been":[96],"applied":[97],"extensively":[99],"compared":[100],"database":[104],"two":[106],"hundred":[107],"thousand":[108],"plots.":[109,168],"Experiments":[110],"important":[113],"part":[114],"paper;":[117],"examined":[119],"topic":[121],"models":[122],"behaviour":[123],"standard":[126],"metrics":[127],"evaluations,":[131],"conducted":[134],"assessments":[136],"with":[137,144],"30":[138],"compare":[141],"our":[142,171],"approach":[143],"commercial":[146,176],"system.":[147],"outcome":[149],"was":[150,156],"LSA":[155],"superior":[157],"LDA":[161],"in":[162],"supporting":[163],"selection":[165],"Even":[169],"if":[170],"does":[173,179],"not":[174,180],"outperform":[175],"systems,":[177],"it":[178,186,199,208],"rely":[181],"human":[183],"effort,":[184],"thus":[185],"can":[187],"ported":[189],"domain":[192],"where":[193],"natural":[194],"language":[195],"descriptions":[196],"exist.":[197],"Since":[198],"independent":[201],"from":[202],"number":[204],"ratings,":[207],"able":[210],"suggest":[212],"famous":[213],"as":[215,217],"well":[216],"old":[218],"or":[219],"unheard":[220],"still":[224],"strongly":[225],"related":[226],"video":[232],"has":[235],"watched.":[236]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2018-08-22T00:00:00"}