{"id":"https://openalex.org/W3184930646","doi":"https://doi.org/10.1109/access.2021.3097207","title":"Novel SDDM Rating Prediction Models for Recommendation Systems","display_name":"Novel SDDM Rating Prediction Models for Recommendation Systems","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3184930646","doi":"https://doi.org/10.1109/access.2021.3097207","mag":"3184930646"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3097207","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3097207","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09483928.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09483928.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102983608","display_name":"Diao Zhou","orcid":"https://orcid.org/0000-0003-1930-6846"},"institutions":[{"id":"https://openalex.org/I137506752","display_name":"North China University of Science and Technology","ror":"https://ror.org/04z4wmb81","country_code":"CN","type":"education","lineage":["https://openalex.org/I137506752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Diao Zhou","raw_affiliation_strings":["Department of Artificial Intelligence, North China University of Science and Technology, Tangshan, China"],"raw_orcid":"https://orcid.org/0000-0003-1930-6846","affiliations":[{"raw_affiliation_string":"Department of Artificial Intelligence, North China University of Science and Technology, Tangshan, China","institution_ids":["https://openalex.org/I137506752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071862569","display_name":"Shengnan Hao","orcid":"https://orcid.org/0000-0002-0640-2073"},"institutions":[{"id":"https://openalex.org/I137506752","display_name":"North China University of Science and Technology","ror":"https://ror.org/04z4wmb81","country_code":"CN","type":"education","lineage":["https://openalex.org/I137506752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shengnan Hao","raw_affiliation_strings":["Department of Artificial Intelligence, North China University of Science and Technology, Tangshan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Artificial Intelligence, North China University of Science and Technology, Tangshan, China","institution_ids":["https://openalex.org/I137506752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100392409","display_name":"Haiyang Zhang","orcid":"https://orcid.org/0000-0002-3025-9609"},"institutions":[{"id":"https://openalex.org/I91136226","display_name":"University of Sheffield","ror":"https://ror.org/05krs5044","country_code":"GB","type":"education","lineage":["https://openalex.org/I91136226"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Haiyang Zhang","raw_affiliation_strings":["Department of Computer Science, The University of Sheffield, Sheffield, U.K"],"raw_orcid":"https://orcid.org/0000-0002-3025-9609","affiliations":[{"raw_affiliation_string":"Department of Computer Science, The University of Sheffield, Sheffield, U.K","institution_ids":["https://openalex.org/I91136226"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108149359","display_name":"Chenxu Dai","orcid":null},"institutions":[{"id":"https://openalex.org/I137506752","display_name":"North China University of Science and Technology","ror":"https://ror.org/04z4wmb81","country_code":"CN","type":"education","lineage":["https://openalex.org/I137506752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenxu Dai","raw_affiliation_strings":["Department of Artificial Intelligence, North China University of Science and Technology, Tangshan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Artificial Intelligence, North China University of Science and Technology, Tangshan, China","institution_ids":["https://openalex.org/I137506752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008099257","display_name":"Yongli An","orcid":null},"institutions":[{"id":"https://openalex.org/I137506752","display_name":"North China University of Science and Technology","ror":"https://ror.org/04z4wmb81","country_code":"CN","type":"education","lineage":["https://openalex.org/I137506752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongli An","raw_affiliation_strings":["Department of Artificial Intelligence, North China University of Science and Technology, Tangshan, China"],"raw_orcid":"https://orcid.org/0000-0002-7127-731X","affiliations":[{"raw_affiliation_string":"Department of Artificial Intelligence, North China University of Science and Technology, Tangshan, China","institution_ids":["https://openalex.org/I137506752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030607091","display_name":"Zhanlin Ji","orcid":"https://orcid.org/0000-0003-3527-3773"},"institutions":[{"id":"https://openalex.org/I137506752","display_name":"North China University of Science and Technology","ror":"https://ror.org/04z4wmb81","country_code":"CN","type":"education","lineage":["https://openalex.org/I137506752"]},{"id":"https://openalex.org/I230495080","display_name":"University of Limerick","ror":"https://ror.org/00a0n9e72","country_code":"IE","type":"education","lineage":["https://openalex.org/I230495080"]}],"countries":["CN","IE"],"is_corresponding":false,"raw_author_name":"Zhanlin Ji","raw_affiliation_strings":["Department of Artificial Intelligence, North China University of Science and Technology, Tangshan, China","Telecommunications Research Centre (TRC), University of Limerick, Limerick, Ireland"],"raw_orcid":"https://orcid.org/0000-0003-3527-3773","affiliations":[{"raw_affiliation_string":"Department of Artificial Intelligence, North China University of Science and Technology, Tangshan, China","institution_ids":["https://openalex.org/I137506752"]},{"raw_affiliation_string":"Telecommunications Research Centre (TRC), University of Limerick, Limerick, Ireland","institution_ids":["https://openalex.org/I230495080"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002555209","display_name":"\u0418\u0432\u0430\u043d \u0413\u0430\u043d\u0447\u0435\u0432","orcid":"https://orcid.org/0000-0003-0535-7087"},"institutions":[{"id":"https://openalex.org/I192878625","display_name":"Plovdiv University","ror":"https://ror.org/0545p3742","country_code":"BG","type":"education","lineage":["https://openalex.org/I192878625"]},{"id":"https://openalex.org/I230495080","display_name":"University of Limerick","ror":"https://ror.org/00a0n9e72","country_code":"IE","type":"education","lineage":["https://openalex.org/I230495080"]}],"countries":["BG","IE"],"is_corresponding":false,"raw_author_name":"Ivan Ganchev","raw_affiliation_strings":["Department of Computer Systems, University of Plovdiv &#x201C;Paisii Hilendarski&#x201D;, Bulgaria, Plovdiv","Telecommunications Research Centre (TRC), University of Limerick, Limerick, Ireland"],"raw_orcid":"https://orcid.org/0000-0003-0535-7087","affiliations":[{"raw_affiliation_string":"Department of Computer Systems, University of Plovdiv &#x201C;Paisii Hilendarski&#x201D;, Bulgaria, Plovdiv","institution_ids":["https://openalex.org/I192878625"]},{"raw_affiliation_string":"Telecommunications Research Centre (TRC), University of Limerick, Limerick, Ireland","institution_ids":["https://openalex.org/I230495080"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":4.8365,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.95267408,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"9","issue":null,"first_page":"101197","last_page":"101206"},"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/T11165","display_name":"Image and Video Quality Assessment","score":0.9872999787330627,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.95169997215271,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/movielens","display_name":"MovieLens","score":0.9608678817749023},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7483639121055603},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.6578647494316101},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.529850959777832},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5035049319267273},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.49509111046791077},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.49464914202690125},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.4709682762622833},{"id":"https://openalex.org/keywords/variance","display_name":"Variance (accounting)","score":0.45931413769721985},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.4428466260433197},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.43667295575141907},{"id":"https://openalex.org/keywords/feature-vector","display_name":"Feature vector","score":0.4353885054588318},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4171798825263977},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3416503071784973},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.3316596448421478},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.19633156061172485},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17929774522781372}],"concepts":[{"id":"https://openalex.org/C2776156558","wikidata":"https://www.wikidata.org/wiki/Q4353746","display_name":"MovieLens","level":4,"score":0.9608678817749023},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7483639121055603},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.6578647494316101},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.529850959777832},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5035049319267273},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.49509111046791077},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.49464914202690125},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.4709682762622833},{"id":"https://openalex.org/C196083921","wikidata":"https://www.wikidata.org/wiki/Q7915758","display_name":"Variance (accounting)","level":2,"score":0.45931413769721985},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.4428466260433197},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.43667295575141907},{"id":"https://openalex.org/C83665646","wikidata":"https://www.wikidata.org/wiki/Q42139305","display_name":"Feature vector","level":2,"score":0.4353885054588318},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4171798825263977},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3416503071784973},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.3316596448421478},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.19633156061172485},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17929774522781372},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C121955636","wikidata":"https://www.wikidata.org/wiki/Q4116214","display_name":"Accounting","level":1,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/access.2021.3097207","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3097207","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09483928.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:ulir.ul.ie:10344/10445","is_oa":true,"landing_page_url":"http://hdl.handle.net/10344/10445","pdf_url":"http://hdl.handle.net/10344/10445","source":{"id":"https://openalex.org/S4306401530","display_name":"University of Limerick Institutional Repository (University of Limerick)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I230495080","host_organization_name":"University of Limerick","host_organization_lineage":["https://openalex.org/I230495080"],"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/article"},{"id":"pmh:oai:doaj.org/article:302770ef2f08482bb7a5822733cadef0","is_oa":true,"landing_page_url":"https://doaj.org/article/302770ef2f08482bb7a5822733cadef0","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 9, Pp 101197-101206 (2021)","raw_type":"article"},{"id":"pmh:oai:figshare.com:article/19813114","is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/Novel_SDDM_rating_prediction_models_for_recommendation_systems/19813114","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:sci-gems.math.bas.bg:10525/4104","is_oa":false,"landing_page_url":"http://hdl.handle.net/10525/4104","pdf_url":null,"source":{"id":"https://openalex.org/S4306401343","display_name":"Bulgarian Digital Mathematics Library (BulDML) at IMI-BAS (Institute of Mathematics and Informatics)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210105926","host_organization_name":"Institute of Mathematics and Informatics","host_organization_lineage":["https://openalex.org/I4210105926"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3097207","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3097207","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09483928.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2322810405","display_name":null,"funder_award_id":"2017YFE0135700","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G2639815899","display_name":null,"funder_award_id":"\u041a\u041f-06-\u0418\u041f-\u041a\u0418TA\u0419/1","funder_id":"https://openalex.org/F4320321843","funder_display_name":"Bulgarian National Science Fund"},{"id":"https://openalex.org/G871461392","display_name":null,"funder_award_id":"2017YFE0135700","funder_id":"https://openalex.org/F4320321843","funder_display_name":"Bulgarian National Science Fund"}],"funders":[{"id":"https://openalex.org/F4320321843","display_name":"Bulgarian National Science Fund","ror":"https://ror.org/05eg49r29"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3184930646.pdf","grobid_xml":"https://content.openalex.org/works/W3184930646.grobid-xml"},"referenced_works_count":53,"referenced_works":["https://openalex.org/W1530276735","https://openalex.org/W1614298861","https://openalex.org/W1629473008","https://openalex.org/W1832221731","https://openalex.org/W1853953842","https://openalex.org/W1959619913","https://openalex.org/W1994389483","https://openalex.org/W2042281163","https://openalex.org/W2054141820","https://openalex.org/W2057991616","https://openalex.org/W2153579005","https://openalex.org/W2154851992","https://openalex.org/W2177562712","https://openalex.org/W2327586036","https://openalex.org/W2474909202","https://openalex.org/W2475334473","https://openalex.org/W2512971201","https://openalex.org/W2588664674","https://openalex.org/W2605350416","https://openalex.org/W2613725451","https://openalex.org/W2624407581","https://openalex.org/W2723293840","https://openalex.org/W2752647688","https://openalex.org/W2767752208","https://openalex.org/W2793523712","https://openalex.org/W2794568143","https://openalex.org/W2806321844","https://openalex.org/W2950577311","https://openalex.org/W2955260972","https://openalex.org/W2963887288","https://openalex.org/W2963895127","https://openalex.org/W2964341035","https://openalex.org/W2995198458","https://openalex.org/W3031469573","https://openalex.org/W3041843766","https://openalex.org/W3088750566","https://openalex.org/W3093452197","https://openalex.org/W3102560000","https://openalex.org/W3104097132","https://openalex.org/W3123031793","https://openalex.org/W3155737569","https://openalex.org/W3163107762","https://openalex.org/W4288364260","https://openalex.org/W4294170691","https://openalex.org/W6636510571","https://openalex.org/W6636593642","https://openalex.org/W6682691769","https://openalex.org/W6749406891","https://openalex.org/W6751914860","https://openalex.org/W6765266020","https://openalex.org/W6768381419","https://openalex.org/W6790761393","https://openalex.org/W6794464014"],"related_works":["https://openalex.org/W2355698112","https://openalex.org/W2022984797","https://openalex.org/W4394818607","https://openalex.org/W2986679525","https://openalex.org/W2797500822","https://openalex.org/W4299358966","https://openalex.org/W2794458286","https://openalex.org/W4205822456","https://openalex.org/W2537367858","https://openalex.org/W4288082747"],"abstract_inverted_index":{"The":[0,155],"accuracy":[1],"of":[2,14,25,33,55,60,74,124,136,147,169,182,192],"behavioral":[3],"interactive":[4,34,72,126],"features":[5,73],"is":[6,143],"a":[7,66,78,148],"key":[8],"factor":[9],"for":[10,207],"improving":[11],"the":[12,22,30,45,53,57,61,71,82,91,97,100,110,121,125,133,137,140,164,170,176,183],"performance":[13,168],"rating":[15,40,141,166],"prediction.":[16],"In":[17,90],"order":[18,130],"to":[19,108,113,118,131],"deeply":[20],"explore":[21],"potential":[23],"rules":[24],"user":[26,62,67,79],"behavior":[27,63],"and":[28,48,69,77,94,99,194,199,201,209],"enhance":[29],"accurate":[31],"representation":[32],"features,":[35],"this":[36],"paper":[37],"proposes":[38],"two":[39,159],"prediction":[41,142,167],"models,":[42,96,139,179],"based":[43],"on":[44,196,203],"spatial":[46],"dimension":[47,116],"distance":[49,83],"measurement":[50],"(SDDM),":[51],"under":[52],"premise":[54],"taking":[56],"mean":[58,185],"value":[59],"history":[64],"as":[65,117],"feature,":[68],"obtaining":[70],"an":[75],"item":[76],"by":[80,145,189],"calculating":[81],"between":[84],"them":[85],"in":[86,129,173,180],"each":[87,114],"feature":[88,115],"dimension.":[89],"proposed":[92,138,171],"SDDM-Var":[93,208],"SDDM-PCC":[95],"variance":[98],"Pearson":[101],"correlation":[102],"coefficient":[103],"(PCC)":[104],"are":[105],"respectively":[106,206],"utilized":[107],"evaluate":[109],"user\u2019s":[111],"attention":[112],"further":[119],"obtain":[120],"weight":[122],"vector":[123],"features.":[127],"Finally,":[128],"improve":[132],"generalization":[134],"ability":[135],"accomplished":[144],"means":[146],"specially":[149],"designed":[150],"multi-layer":[151],"full-connection":[152],"neural":[153],"network.":[154],"conducted":[156],"experiments":[157],"with":[158,175],"public":[160],"MovieLens":[161,197,204],"datasets":[162],"demonstrate":[163],"superior":[165],"models":[172],"comparison":[174],"existing":[177],"baseline":[178],"terms":[181],"root":[184],"square":[186],"error":[187],"(RMSE),":[188],"achieving":[190],"values":[191],"0.865":[193],"0.872":[195],"100K,":[198],"0.839":[200],"0.832":[202],"1M,":[205],"SDDM-PCC.":[210]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":6}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2021-08-02T00:00:00"}
