{"id":"https://openalex.org/W3088724481","doi":"https://doi.org/10.1145/3383313.3412207","title":"Combining Rating and Review Data by Initializing Latent Factor Models with Topic Models for Top-N Recommendation","display_name":"Combining Rating and Review Data by Initializing Latent Factor Models with Topic Models for Top-N Recommendation","publication_year":2020,"publication_date":"2020-09-19","ids":{"openalex":"https://openalex.org/W3088724481","doi":"https://doi.org/10.1145/3383313.3412207","mag":"3088724481"},"language":"en","primary_location":{"id":"doi:10.1145/3383313.3412207","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3383313.3412207","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5010351903","display_name":"Francisco J. Ribadas","orcid":"https://orcid.org/0000-0002-9000-4608"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Francisco J. Pe\u00f1a","raw_affiliation_strings":["Insight Centre for Data Analytics University College Dublin, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Insight Centre for Data Analytics University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003531296","display_name":"Diarmuid O\u2019Reilly-Morgan","orcid":"https://orcid.org/0009-0008-2522-8120"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Diarmuid O'Reilly-Morgan","raw_affiliation_strings":["Insight Centre for Data Analytics University College Dublin, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Insight Centre for Data Analytics University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038973041","display_name":"\u0397\u03bb\u03af\u03b1\u03c2 \u03a4\u03c1\u03ac\u03b3\u03bf\u03c2","orcid":"https://orcid.org/0000-0001-9566-531X"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Elias Z. Tragos","raw_affiliation_strings":["Insight Centre for Data Analytics University College Dublin, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Insight Centre for Data Analytics University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084111561","display_name":"Neil Hurley","orcid":"https://orcid.org/0000-0001-8428-2866"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Neil Hurley","raw_affiliation_strings":["Insight Centre for Data Analytics University College Dublin, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Insight Centre for Data Analytics University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085548538","display_name":"Erika Duriakova","orcid":"https://orcid.org/0000-0001-7351-385X"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Erika Duriakova","raw_affiliation_strings":["Insight Centre for Data Analytics University College Dublin, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Insight Centre for Data Analytics University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065595661","display_name":"Barry Smyth","orcid":"https://orcid.org/0000-0003-0962-3362"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Barry Smyth","raw_affiliation_strings":["Computer Science University College Dublin, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079971230","display_name":"Aonghus Lawlor","orcid":"https://orcid.org/0000-0002-6160-4639"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Aonghus Lawlor","raw_affiliation_strings":["University College Dublin, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.2912,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.96000052,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"438","last_page":"443"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":1.0,"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":1.0,"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":0.9955000281333923,"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/T13274","display_name":"Expert finding and Q&A systems","score":0.9842000007629395,"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/initialization","display_name":"Initialization","score":0.9110130071640015},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8415932655334473},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.6227719187736511},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.6160753965377808},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.5583716630935669},{"id":"https://openalex.org/keywords/factor","display_name":"Factor (programming language)","score":0.5137523412704468},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.5137358903884888},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.49879956245422363},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.48729050159454346},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.4846828281879425},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.48092982172966003},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.4677541255950928},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.45735684037208557},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.4239596128463745},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.41842374205589294},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4065621495246887},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3752363920211792},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.14463168382644653}],"concepts":[{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.9110130071640015},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8415932655334473},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.6227719187736511},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.6160753965377808},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.5583716630935669},{"id":"https://openalex.org/C2781039887","wikidata":"https://www.wikidata.org/wiki/Q1391724","display_name":"Factor (programming language)","level":2,"score":0.5137523412704468},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.5137358903884888},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.49879956245422363},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.48729050159454346},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.4846828281879425},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.48092982172966003},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.4677541255950928},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45735684037208557},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.4239596128463745},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.41842374205589294},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4065621495246887},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3752363920211792},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.14463168382644653},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"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/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3383313.3412207","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3383313.3412207","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:researchrepository.ucd.ie:10197/24615","is_oa":false,"landing_page_url":"http://hdl.handle.net/10197/24615","pdf_url":null,"source":{"id":"https://openalex.org/S4306402280","display_name":"Research Repository UCD (University College Dublin)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I100930933","host_organization_name":"University College Dublin","host_organization_lineage":["https://openalex.org/I100930933"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Conference Publication"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4","score":0.75}],"awards":[{"id":"https://openalex.org/G2632164605","display_name":null,"funder_award_id":"SFI/12/RC/2289_P2","funder_id":"https://openalex.org/F4320320847","funder_display_name":"Science Foundation Ireland"}],"funders":[{"id":"https://openalex.org/F4320320847","display_name":"Science Foundation Ireland","ror":"https://ror.org/0271asj38"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W10623578","https://openalex.org/W1880262756","https://openalex.org/W1902027874","https://openalex.org/W1914599625","https://openalex.org/W1985554184","https://openalex.org/W1994389483","https://openalex.org/W2015583498","https://openalex.org/W2037351199","https://openalex.org/W2050096199","https://openalex.org/W2054141820","https://openalex.org/W2061873838","https://openalex.org/W2101409192","https://openalex.org/W2134731454","https://openalex.org/W2135790056","https://openalex.org/W2140310134","https://openalex.org/W2142972908","https://openalex.org/W2168228576","https://openalex.org/W2187420087","https://openalex.org/W2394303379","https://openalex.org/W2407522404","https://openalex.org/W2481439837","https://openalex.org/W2575006718","https://openalex.org/W2592771984","https://openalex.org/W2605350416","https://openalex.org/W2606749808","https://openalex.org/W2728691858","https://openalex.org/W2748557612","https://openalex.org/W2767724106","https://openalex.org/W2788376297","https://openalex.org/W2788893025","https://openalex.org/W2797467480","https://openalex.org/W2823336313","https://openalex.org/W2884134047","https://openalex.org/W2900806287","https://openalex.org/W3102331315","https://openalex.org/W3106302634","https://openalex.org/W4251560691"],"related_works":["https://openalex.org/W3113280893","https://openalex.org/W3109911900","https://openalex.org/W1575318294","https://openalex.org/W4312998587","https://openalex.org/W3080740766","https://openalex.org/W3166581859","https://openalex.org/W2909865466","https://openalex.org/W2032039661","https://openalex.org/W4386143129","https://openalex.org/W2908124738"],"abstract_inverted_index":{"Nowadays":[0],"we":[1,94,120],"commonly":[2],"have":[3,28],"multiple":[4],"sources":[5],"of":[6,107,136,167],"data":[7,87],"associated":[8],"with":[9,149],"items.":[10],"Users":[11],"may":[12,20],"provide":[13,22],"numerical":[14],"ratings,":[15],"or":[16,148],"implicit":[17],"interactions,":[18],"but":[19,60],"also":[21],"textual":[23,40,66],"reviews.":[24],"Although":[25],"many":[26,48],"algorithms":[27],"been":[29],"proposed":[30],"to":[31,45,54,64,74,84,96,133,140,160],"jointly":[32],"learn":[33],"a":[34,76,108,141],"model":[35,110,142,170],"over":[36],"both":[37],"interactions":[38,58],"and":[39,81,100,126,157],"data,":[41,59],"there":[42],"is":[43,73],"room":[44],"improve":[46],"the":[47,98,104,113,124,137,165],"factorization":[49,90,138],"models":[50,145],"that":[51,122,143,171],"are":[52,61],"proven":[53],"work":[55,72],"well":[56],"on":[57],"not":[62],"designed":[63],"exploit":[65],"information.":[67],"Our":[68],"focus":[69],"in":[70,129],"this":[71],"propose":[75,95],"simple,":[77],"yet":[78],"easily":[79],"applicable":[80],"effective,":[82],"method":[83],"incorporate":[85],"review":[86,114],"into":[88],"such":[89],"models.":[91],"In":[92],"particular,":[93],"build":[97],"user":[99,125,156],"item":[101,127,158],"embeddings":[102,128],"within":[103],"topic":[105,109,130,161],"space":[106,131,162],"learned":[111],"from":[112],"data.":[115],"This":[116],"has":[117],"several":[118],"advantages:":[119],"observe":[121],"initializing":[123],"leads":[132],"faster":[134],"convergence":[135],"algorithm":[139],"out-performs":[144],"initialized":[146],"randomly,":[147],"other":[150],"state-of-the-art":[151],"initialization":[152],"strategies.":[153],"Moreover,":[154],"constraining":[155],"factors":[159],"allows":[163],"for":[164],"learning":[166],"an":[168],"interpretable":[169],"users":[172],"can":[173],"visualise.":[174]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":7}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}