{"id":"https://openalex.org/W4380364435","doi":"https://doi.org/10.1145/3588155.3588160","title":"Weighted Matrix Factorization with Wilson Lower Bound Score","display_name":"Weighted Matrix Factorization with Wilson Lower Bound Score","publication_year":2023,"publication_date":"2023-02-09","ids":{"openalex":"https://openalex.org/W4380364435","doi":"https://doi.org/10.1145/3588155.3588160"},"language":"en","primary_location":{"id":"doi:10.1145/3588155.3588160","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3588155.3588160","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3588155.3588160?download=true","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2023 5th Asia Pacific Information Technology Conference","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3588155.3588160?download=true","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051870923","display_name":"Hongxi Huang","orcid":"https://orcid.org/0000-0003-3815-1704"},"institutions":[{"id":"https://openalex.org/I177605424","display_name":"Amherst College","ror":"https://ror.org/028vqfs63","country_code":"US","type":"education","lineage":["https://openalex.org/I177605424"]},{"id":"https://openalex.org/I24603500","display_name":"University of Massachusetts Amherst","ror":"https://ror.org/0072zz521","country_code":"US","type":"education","lineage":["https://openalex.org/I24603500"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hongxi Huang","raw_affiliation_strings":["Manning College of Information &amp; Computer Sciences, University of Massachusetts Amherst, USA"],"raw_orcid":"https://orcid.org/0000-0003-3815-1704","affiliations":[{"raw_affiliation_string":"Manning College of Information &amp; Computer Sciences, University of Massachusetts Amherst, USA","institution_ids":["https://openalex.org/I177605424","https://openalex.org/I24603500"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048627605","display_name":"Yuxing Wei","orcid":null},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yuxing Wei","raw_affiliation_strings":["University of Wisconsin-Madison, USA"],"raw_orcid":"https://orcid.org/0009-0003-3033-3906","affiliations":[{"raw_affiliation_string":"University of Wisconsin-Madison, USA","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101704446","display_name":"Xiaopeng Yuan","orcid":"https://orcid.org/0000-0001-9042-1033"},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiaopeng Yuan","raw_affiliation_strings":["University of Wisconsin-Madison, USA"],"raw_orcid":"https://orcid.org/0000-0001-9042-1033","affiliations":[{"raw_affiliation_string":"University of Wisconsin-Madison, USA","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048015136","display_name":"Ruiqi Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I59649739","display_name":"Jiangxi University of Finance and Economics","ror":"https://ror.org/03efmyj29","country_code":"CN","type":"education","lineage":["https://openalex.org/I59649739"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruiqi Zheng","raw_affiliation_strings":["Jiangxi University of Finance and Economics, China"],"raw_orcid":"https://orcid.org/0009-0006-2687-3688","affiliations":[{"raw_affiliation_string":"Jiangxi University of Finance and Economics, China","institution_ids":["https://openalex.org/I59649739"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.08474037,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"33","last_page":"37"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.996999979019165,"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":0.996999979019165,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9825999736785889,"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/T10057","display_name":"Face and Expression Recognition","score":0.980400025844574,"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/factorization","display_name":"Factorization","score":0.6381370425224304},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.5691030025482178},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5075868368148804},{"id":"https://openalex.org/keywords/matrix-algebra","display_name":"Matrix algebra","score":0.4592369496822357},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.43560561537742615},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35068172216415405},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.32540225982666016},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.29701218008995056},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12619906663894653},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.05196914076805115}],"concepts":[{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.6381370425224304},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.5691030025482178},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5075868368148804},{"id":"https://openalex.org/C2988995629","wikidata":"https://www.wikidata.org/wiki/Q2915729","display_name":"Matrix algebra","level":3,"score":0.4592369496822357},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.43560561537742615},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35068172216415405},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.32540225982666016},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.29701218008995056},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12619906663894653},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.05196914076805115},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3588155.3588160","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3588155.3588160","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3588155.3588160?download=true","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2023 5th Asia Pacific Information Technology Conference","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3588155.3588160","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3588155.3588160","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3588155.3588160?download=true","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2023 5th Asia Pacific Information Technology Conference","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4380364435.pdf","grobid_xml":"https://content.openalex.org/works/W4380364435.grobid-xml"},"referenced_works_count":13,"referenced_works":["https://openalex.org/W1879834137","https://openalex.org/W2101409192","https://openalex.org/W2140310134","https://openalex.org/W2152828463","https://openalex.org/W2219888463","https://openalex.org/W2253995343","https://openalex.org/W2340502990","https://openalex.org/W2565948352","https://openalex.org/W2799613460","https://openalex.org/W2802117309","https://openalex.org/W2998673651","https://openalex.org/W4300344234","https://openalex.org/W6735804486"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2794559785","https://openalex.org/W1754499339","https://openalex.org/W2013873776","https://openalex.org/W2950281908","https://openalex.org/W1973739845","https://openalex.org/W119752240","https://openalex.org/W2110315447","https://openalex.org/W2069570686","https://openalex.org/W4401009883"],"abstract_inverted_index":{"This":[0],"report":[1,47],"aims":[2],"to":[3,7,58],"propose":[4],"an":[5],"improvement":[6],"the":[8,38,61],"recommendation":[9],"system":[10],"based":[11],"on":[12],"collaborative":[13],"filtering":[14],"with":[15],"implicit":[16],"feedback.":[17],"Because":[18],"existing":[19],"weighted":[20,43,50],"matrix":[21,44,51],"factorization":[22,52],"weights":[23,62,73],"all":[24,75],"unknown":[25,64,76],"ratings":[26],"equally,":[27],"this":[28,46],"does":[29],"not":[30],"make":[31],"much":[32],"sense":[33],"in":[34],"reality.":[35],"To":[36],"enhance":[37],"precision":[39],"and":[40,53],"dependability":[41],"of":[42,63],"factorization,":[45],"suggests":[48],"combining":[49],"Wilson":[54],"lower":[55],"bound":[56],"scores":[57],"dynamically":[59],"alter":[60],"ratings,":[65],"which":[66],"is":[67],"more":[68,84],"accurate":[69],"than":[70],"setting":[71],"equal":[72],"for":[74],"ratings.":[77],"Thus,":[78],"exposure":[79],"bias":[80],"can":[81],"be":[82],"minimized":[83],"effectively.":[85]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
