{"id":"https://openalex.org/W4384636842","doi":"https://doi.org/10.1145/3539618.3591645","title":"Blurring-Sharpening Process Models for Collaborative Filtering","display_name":"Blurring-Sharpening Process Models for Collaborative Filtering","publication_year":2023,"publication_date":"2023-07-18","ids":{"openalex":"https://openalex.org/W4384636842","doi":"https://doi.org/10.1145/3539618.3591645"},"language":"en","primary_location":{"id":"doi:10.1145/3539618.3591645","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3539618.3591645","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval","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/A5057709875","display_name":"Jeongwhan Choi","orcid":"https://orcid.org/0000-0002-6530-2662"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Jeongwhan Choi","raw_affiliation_strings":["Yonsei University, Seoul, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-6530-2662","affiliations":[{"raw_affiliation_string":"Yonsei University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017744532","display_name":"Seo-Young Hong","orcid":"https://orcid.org/0009-0004-2038-9487"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seoyoung Hong","raw_affiliation_strings":["Yonsei University, Seoul, Republic of Korea"],"raw_orcid":"https://orcid.org/0009-0004-2038-9487","affiliations":[{"raw_affiliation_string":"Yonsei University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067253588","display_name":"Noseong Park","orcid":"https://orcid.org/0000-0002-1268-840X"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Noseong Park","raw_affiliation_strings":["Yonsei University, Seoul, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-1268-840X","affiliations":[{"raw_affiliation_string":"Yonsei University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102775641","display_name":"Sung-Bae Cho","orcid":"https://orcid.org/0000-0002-0185-1769"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sung-Bae Cho","raw_affiliation_strings":["Yonsei University, Seoul, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-0185-1769","affiliations":[{"raw_affiliation_string":"Yonsei University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5057709875"],"corresponding_institution_ids":["https://openalex.org/I193775966"],"apc_list":null,"apc_paid":null,"fwci":19.2236,"has_fulltext":false,"cited_by_count":44,"citation_normalized_percentile":{"value":0.99307553,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"1096","last_page":"1106"},"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.996999979019165,"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/T11478","display_name":"Caching and Content Delivery","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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":0.8434276580810547},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.6190651655197144},{"id":"https://openalex.org/keywords/sharpening","display_name":"Sharpening","score":0.5798256397247314},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.5622504353523254},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.477035254240036},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4487065076828003},{"id":"https://openalex.org/keywords/rewriting","display_name":"Rewriting","score":0.4161972999572754},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3849780857563019},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3053646683692932},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.25412121415138245},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.09872928261756897}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8434276580810547},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.6190651655197144},{"id":"https://openalex.org/C2781137444","wikidata":"https://www.wikidata.org/wiki/Q237105","display_name":"Sharpening","level":2,"score":0.5798256397247314},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.5622504353523254},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.477035254240036},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4487065076828003},{"id":"https://openalex.org/C154690210","wikidata":"https://www.wikidata.org/wiki/Q1668499","display_name":"Rewriting","level":2,"score":0.4161972999572754},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3849780857563019},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3053646683692932},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.25412121415138245},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.09872928261756897}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3539618.3591645","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3539618.3591645","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals","score":0.49000000953674316}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1971040550","https://openalex.org/W2054141820","https://openalex.org/W2069870183","https://openalex.org/W2111094216","https://openalex.org/W2144144709","https://openalex.org/W2154851992","https://openalex.org/W2161676175","https://openalex.org/W2512971201","https://openalex.org/W2604433096","https://openalex.org/W2619206542","https://openalex.org/W2798972759","https://openalex.org/W2807021761","https://openalex.org/W2897167574","https://openalex.org/W2912745432","https://openalex.org/W2914500297","https://openalex.org/W2945420892","https://openalex.org/W2945827670","https://openalex.org/W2962756421","https://openalex.org/W2963085847","https://openalex.org/W2963169753","https://openalex.org/W2964341035","https://openalex.org/W2998431760","https://openalex.org/W2998636456","https://openalex.org/W2999649805","https://openalex.org/W3044311607","https://openalex.org/W3094605801","https://openalex.org/W3097302750","https://openalex.org/W3097991661","https://openalex.org/W3100278010","https://openalex.org/W3100324210","https://openalex.org/W3100848837","https://openalex.org/W3101023724","https://openalex.org/W3101708421","https://openalex.org/W3104097132","https://openalex.org/W3153325943","https://openalex.org/W3156861396","https://openalex.org/W3209428314","https://openalex.org/W3211009588","https://openalex.org/W4207045251","https://openalex.org/W4212986650","https://openalex.org/W4284680110","https://openalex.org/W4284704639","https://openalex.org/W4306317072","https://openalex.org/W4318147651","https://openalex.org/W6762518954"],"related_works":["https://openalex.org/W1484355083","https://openalex.org/W2772628444","https://openalex.org/W4220714703","https://openalex.org/W2735929803","https://openalex.org/W2170391450","https://openalex.org/W2098758514","https://openalex.org/W3008845055","https://openalex.org/W2041004656","https://openalex.org/W135044020","https://openalex.org/W2103058005"],"abstract_inverted_index":{"Collaborative":[0],"filtering":[1,129],"is":[2,79,158,196],"one":[3],"of":[4,33,47,74,98,137,155],"the":[5,56,72,142,152,171],"most":[6],"fundamental":[7,108],"topics":[8],"for":[9,17],"recommender":[10],"systems.":[11],"Various":[12],"methods":[13,36],"have":[14,107,113],"been":[15],"proposed":[16,165],"collaborative":[18,128],"filtering,":[19],"ranging":[20],"from":[21,116],"matrix":[22],"factorization":[23],"to":[24,85,160,173],"graph":[25,34],"convolutional":[26],"methods.":[27],"Being":[28],"inspired":[29],"by":[30,176],"recent":[31],"successes":[32],"filtering-based":[35],"and":[37,53,82,91,100,104,139,148,182],"score-based":[38],"generative":[39],"models":[40,130],"(SGMs),":[41],"we":[42,189],"present":[43],"a":[44],"novel":[45],"concept":[46,121,166],"blurring-sharpening":[48],"process":[49],"model":[50],"(BSPM).":[51],"SGMs":[52,90],"BSPMs":[54,93,112],"share":[55],"same":[57],"processing":[58,153],"philosophy":[59],"that":[60],"new":[61,67],"information":[62,78],"can":[63],"be":[64,174],"discovered":[65],"(e.g.,":[66],"images":[68],"are":[69],"generated":[70],"in":[71,135,141,170,191],"case":[73],"SGMs)":[75],"while":[76],"original":[77,87],"first":[80],"perturbed":[81],"then":[83],"recovered":[84],"its":[86],"form.":[88],"However,":[89],"our":[92,111,120,156],"deal":[94],"with":[95],"different":[96,114],"types":[97],"information,":[99],"their":[101],"optimal":[102],"perturbation":[103],"recovery":[105],"processes":[106,186],"discrepancies.":[109],"Therefore,":[110],"forms":[115],"SGMs.":[117],"In":[118,150],"addition,":[119,151],"not":[122],"only":[123],"theoretically":[124],"subsumes":[125],"many":[126],"existing":[127],"but":[131],"also":[132],"outperforms":[133],"them":[134],"terms":[136],"Recall":[138],"NDCG":[140],"three":[143],"benchmark":[144],"datasets,":[145],"Gowalla,":[146],"Yelp2018,":[147],"Amazon-book.":[149],"time":[154],"method":[157],"comparable":[159],"other":[161],"fast":[162],"baselines.":[163],"Our":[164,194],"has":[167],"much":[168],"potential":[169],"future":[172],"enhanced":[175],"designing":[177],"better":[178],"blurring":[179],"(i.e.,":[180,184],"perturbation)":[181],"sharpening":[183],"recovery)":[185],"than":[187],"what":[188],"use":[190],"this":[192],"paper.":[193],"code":[195],"available":[197],"at":[198],"https://github.com/jeongwhanchoi/BSPM.":[199]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":24},{"year":2024,"cited_by_count":11},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-28T14:05:53.105641","created_date":"2025-10-10T00:00:00"}
