{"id":"https://openalex.org/W1988666891","doi":"https://doi.org/10.1109/rivf.2012.6169831","title":"A Modified Regularized Non-Negative Matrix Factorization for MovieLens","display_name":"A Modified Regularized Non-Negative Matrix Factorization for MovieLens","publication_year":2012,"publication_date":"2012-02-01","ids":{"openalex":"https://openalex.org/W1988666891","doi":"https://doi.org/10.1109/rivf.2012.6169831","mag":"1988666891"},"language":"en","primary_location":{"id":"doi:10.1109/rivf.2012.6169831","is_oa":false,"landing_page_url":"https://doi.org/10.1109/rivf.2012.6169831","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE RIVF International Conference on Computing & Communication Technologies, Research, Innovation, and Vision for the Future","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/A5101900159","display_name":"Huy Tien Nguyen","orcid":"https://orcid.org/0000-0002-9948-1048"},"institutions":[{"id":"https://openalex.org/I23582244","display_name":"Ho Chi Minh City University of Science","ror":"https://ror.org/05jfbgm49","country_code":"VN","type":"education","lineage":["https://openalex.org/I123565023","https://openalex.org/I23582244"]}],"countries":["VN"],"is_corresponding":true,"raw_author_name":"Huy Nguyen","raw_affiliation_strings":["Faculty of Information Technology, University of Science, Ho Chi Minh, Vietnam","Fac. of Inf. Technol., Univ. of Sci., Ho Chi Minh City, Vietnam"],"affiliations":[{"raw_affiliation_string":"Faculty of Information Technology, University of Science, Ho Chi Minh, Vietnam","institution_ids":["https://openalex.org/I23582244"]},{"raw_affiliation_string":"Fac. of Inf. Technol., Univ. of Sci., Ho Chi Minh City, Vietnam","institution_ids":["https://openalex.org/I23582244"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108648998","display_name":"Tien Ba Dinh","orcid":null},"institutions":[{"id":"https://openalex.org/I23582244","display_name":"Ho Chi Minh City University of Science","ror":"https://ror.org/05jfbgm49","country_code":"VN","type":"education","lineage":["https://openalex.org/I123565023","https://openalex.org/I23582244"]}],"countries":["VN"],"is_corresponding":false,"raw_author_name":"Tien Dinh","raw_affiliation_strings":["Faculty of Information Technology, University of Science, Ho Chi Minh, Vietnam","Fac. of Inf. Technol., Univ. of Sci., Ho Chi Minh City, Vietnam"],"affiliations":[{"raw_affiliation_string":"Faculty of Information Technology, University of Science, Ho Chi Minh, Vietnam","institution_ids":["https://openalex.org/I23582244"]},{"raw_affiliation_string":"Fac. of Inf. Technol., Univ. of Sci., Ho Chi Minh City, Vietnam","institution_ids":["https://openalex.org/I23582244"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5101900159"],"corresponding_institution_ids":["https://openalex.org/I23582244"],"apc_list":null,"apc_paid":null,"fwci":1.4211,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.8653256,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"22","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9968000054359436,"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":0.9968000054359436,"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/T12720","display_name":"Multimedia Communication and Technology","score":0.9873999953269958,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","score":0.9851999878883362,"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/movielens","display_name":"MovieLens","score":0.8944335579872131},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.6219291687011719},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.45494723320007324},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.43839868903160095},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.36749526858329773},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.36333006620407104},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3297708332538605},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18651428818702698},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.09067994356155396},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.0893850028514862},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.05945456027984619}],"concepts":[{"id":"https://openalex.org/C2776156558","wikidata":"https://www.wikidata.org/wiki/Q4353746","display_name":"MovieLens","level":4,"score":0.8944335579872131},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.6219291687011719},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.45494723320007324},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.43839868903160095},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36749526858329773},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.36333006620407104},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3297708332538605},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18651428818702698},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.09067994356155396},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.0893850028514862},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.05945456027984619},{"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/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/rivf.2012.6169831","is_oa":false,"landing_page_url":"https://doi.org/10.1109/rivf.2012.6169831","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE RIVF International Conference on Computing & Communication Technologies, Research, Innovation, and Vision for the Future","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W281665770","https://openalex.org/W1500188831","https://openalex.org/W1542664738","https://openalex.org/W1629473008","https://openalex.org/W1718512272","https://openalex.org/W1971040550","https://openalex.org/W1976618413","https://openalex.org/W1994389483","https://openalex.org/W1997136459","https://openalex.org/W2027564548","https://openalex.org/W2030848960","https://openalex.org/W2042281163","https://openalex.org/W2047109571","https://openalex.org/W2110325612","https://openalex.org/W2113273124","https://openalex.org/W2113802117","https://openalex.org/W2117311203","https://openalex.org/W2134578438","https://openalex.org/W2137245235","https://openalex.org/W2149409084","https://openalex.org/W2153110279","https://openalex.org/W2171960770","https://openalex.org/W2185254452","https://openalex.org/W2602024037","https://openalex.org/W2950332743","https://openalex.org/W4285719527","https://openalex.org/W6636593642","https://openalex.org/W6637618339","https://openalex.org/W6676522543","https://openalex.org/W7070499600"],"related_works":["https://openalex.org/W3018593348","https://openalex.org/W2896364421","https://openalex.org/W2478976345","https://openalex.org/W4206056232","https://openalex.org/W3001823959","https://openalex.org/W3099505889","https://openalex.org/W2371241905","https://openalex.org/W2547188920","https://openalex.org/W2383957162","https://openalex.org/W2808486553"],"abstract_inverted_index":{"NA":[0]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}