{"id":"https://openalex.org/W2964332113","doi":"https://doi.org/10.1145/3219819.3219844","title":"Distributed Collaborative Hashing and Its Applications in Ant Financial","display_name":"Distributed Collaborative Hashing and Its Applications in Ant Financial","publication_year":2018,"publication_date":"2018-07-19","ids":{"openalex":"https://openalex.org/W2964332113","doi":"https://doi.org/10.1145/3219819.3219844","mag":"2964332113"},"language":"en","primary_location":{"id":"doi:10.1145/3219819.3219844","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3219819.3219844","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining","raw_type":"proceedings-article"},"type":"preprint","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/A5028791879","display_name":"Chaochao Chen","orcid":"https://orcid.org/0000-0003-1419-964X"},"institutions":[{"id":"https://openalex.org/I4210090985","display_name":"Zhejiang Financial College","ror":"https://ror.org/00deghz86","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210090985"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chaochao Chen","raw_affiliation_strings":["Ant Financial Services Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Ant Financial Services Group, Hangzhou, China","institution_ids":["https://openalex.org/I4210090985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100636815","display_name":"Ziqi Liu","orcid":"https://orcid.org/0000-0002-0115-105X"},"institutions":[{"id":"https://openalex.org/I4210090985","display_name":"Zhejiang Financial College","ror":"https://ror.org/00deghz86","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210090985"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziqi Liu","raw_affiliation_strings":["Ant Financial Services Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Ant Financial Services Group, Hangzhou, China","institution_ids":["https://openalex.org/I4210090985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015991234","display_name":"Peilin Zhao","orcid":"https://orcid.org/0000-0001-8543-3953"},"institutions":[{"id":"https://openalex.org/I4210090985","display_name":"Zhejiang Financial College","ror":"https://ror.org/00deghz86","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210090985"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peilin Zhao","raw_affiliation_strings":["Ant Financial Services Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Ant Financial Services Group, Hangzhou, China","institution_ids":["https://openalex.org/I4210090985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100430942","display_name":"Longfei Li","orcid":"https://orcid.org/0009-0004-4396-9310"},"institutions":[{"id":"https://openalex.org/I4210090985","display_name":"Zhejiang Financial College","ror":"https://ror.org/00deghz86","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210090985"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Longfei Li","raw_affiliation_strings":["Ant Financial Services Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Ant Financial Services Group, Hangzhou, China","institution_ids":["https://openalex.org/I4210090985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045140292","display_name":"Jun Zhou","orcid":"https://orcid.org/0000-0001-6033-6102"},"institutions":[{"id":"https://openalex.org/I4210090985","display_name":"Zhejiang Financial College","ror":"https://ror.org/00deghz86","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210090985"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Zhou","raw_affiliation_strings":["Ant Financial Services Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Ant Financial Services Group, Hangzhou, China","institution_ids":["https://openalex.org/I4210090985"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100371535","display_name":"Xiaolong Li","orcid":"https://orcid.org/0000-0001-7493-2650"},"institutions":[{"id":"https://openalex.org/I4210090985","display_name":"Zhejiang Financial College","ror":"https://ror.org/00deghz86","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210090985"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaolong Li","raw_affiliation_strings":["Ant Financial Services Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Ant Financial Services Group, Hangzhou, China","institution_ids":["https://openalex.org/I4210090985"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5028791879"],"corresponding_institution_ids":["https://openalex.org/I4210090985"],"apc_list":null,"apc_paid":null,"fwci":1.78597009,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.89149023,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"100","last_page":"109"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T11478","display_name":"Caching and Content Delivery","score":0.9973999857902527,"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"}},{"id":"https://openalex.org/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.994700014591217,"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/computer-science","display_name":"Computer science","score":0.835066556930542},{"id":"https://openalex.org/keywords/hash-function","display_name":"Hash function","score":0.7131538391113281},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.6839228868484497},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.5845521092414856},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.5465209484100342},{"id":"https://openalex.org/keywords/factor","display_name":"Factor (programming language)","score":0.5447467565536499},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.47854405641555786},{"id":"https://openalex.org/keywords/hash-table","display_name":"Hash table","score":0.47752395272254944},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.41398653388023376},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3993558883666992},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.36532002687454224},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.1236385703086853},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.10758000612258911},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.10433033108711243}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.835066556930542},{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.7131538391113281},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.6839228868484497},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.5845521092414856},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.5465209484100342},{"id":"https://openalex.org/C2781039887","wikidata":"https://www.wikidata.org/wiki/Q1391724","display_name":"Factor (programming language)","level":2,"score":0.5447467565536499},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.47854405641555786},{"id":"https://openalex.org/C67388219","wikidata":"https://www.wikidata.org/wiki/Q207440","display_name":"Hash table","level":3,"score":0.47752395272254944},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.41398653388023376},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3993558883666992},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.36532002687454224},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.1236385703086853},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.10758000612258911},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.10433033108711243},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3219819.3219844","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3219819.3219844","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.49000000953674316}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W65774840","https://openalex.org/W1542014621","https://openalex.org/W1971187657","https://openalex.org/W1980147176","https://openalex.org/W1992371516","https://openalex.org/W1994389483","https://openalex.org/W2000625227","https://openalex.org/W2023236957","https://openalex.org/W2042281163","https://openalex.org/W2054141820","https://openalex.org/W2054553473","https://openalex.org/W2059851891","https://openalex.org/W2061873838","https://openalex.org/W2083842231","https://openalex.org/W2090891622","https://openalex.org/W2097809134","https://openalex.org/W2100235918","https://openalex.org/W2122196799","https://openalex.org/W2123427850","https://openalex.org/W2125993116","https://openalex.org/W2137245235","https://openalex.org/W2154851992","https://openalex.org/W2155106456","https://openalex.org/W2171790913","https://openalex.org/W2193757515","https://openalex.org/W2255575265","https://openalex.org/W2293597654","https://openalex.org/W2295739661","https://openalex.org/W2336920772","https://openalex.org/W2341535507","https://openalex.org/W2395625777","https://openalex.org/W2510694146","https://openalex.org/W2742528903","https://openalex.org/W2912236665","https://openalex.org/W2913932916","https://openalex.org/W2962756421","https://openalex.org/W2963213486","https://openalex.org/W2963921057","https://openalex.org/W3005526581","https://openalex.org/W3104097132","https://openalex.org/W4292363352"],"related_works":["https://openalex.org/W2772628444","https://openalex.org/W2735929803","https://openalex.org/W4220714703","https://openalex.org/W1484355083","https://openalex.org/W3008845055","https://openalex.org/W2098758514","https://openalex.org/W4376854386","https://openalex.org/W2202724490","https://openalex.org/W2508671622","https://openalex.org/W2556532874"],"abstract_inverted_index":{"Collaborative":[0],"filtering,":[1],"especially":[2],"latent":[3,22,155],"factor":[4,14,156],"model,":[5],"has":[6,159,168],"been":[7],"popularly":[8],"used":[9],"in":[10,102,162,173,181,198],"personalized":[11],"recommendation.":[12],"Latent":[13],"model":[15,43,65,93,108,175],"aims":[16],"to":[17,86,118],"learn":[18,87],"user":[19],"and":[20,46,106,152,178],"item":[21],"factors":[23],"from":[24],"user-item":[25],"historic":[26],"behaviors.":[27],"To":[28],"apply":[29],"it":[30],"into":[31],"real":[32,140],"big":[33],"data":[34],"scenarios,":[35],"efficiency":[36,45,180],"becomes":[37],"the":[38,81,88,120,150,186],"first":[39,74],"concern,":[40],"including":[41],"offline":[42,89,174],"training":[44,176],"online":[47,121,182],"recommendation":[48,122,165,183],"efficiency.":[49],"In":[50],"this":[51],"paper,":[52],"we":[53,73],"propose":[54,75],"a":[55,76],"D":[56],"istributed":[57],"C":[58],"ollaborative":[59],"H":[60],"ashing":[61],"(":[62],"DCH":[63,158,190],")":[64],"which":[66],"can":[67,94,125],"significantly":[68],"improve":[69],"both":[70,169],"efficiencies.":[71],"Specifically,":[72],"distributed":[77],"learning":[78],"framework,":[79],"following":[80],"state-of-the-art":[82,153],"parameter":[83],"server":[84],"paradigm,":[85],"collaborative":[90],"model.":[91],"Our":[92],"be":[95,126],"learnt":[96],"efficiently":[97],"by":[98],"distributedly":[99],"computing":[100],"subgradients":[101],"minibatches":[103],"on":[104,110,138],"workers":[105],"updating":[107],"parameters":[109],"servers":[111],"asynchronously.":[112],"We":[113,134],"then":[114],"adopt":[115],"hashing":[116],"technique":[117],"speedup":[119],"procedure.":[123,184],"Recommendation":[124],"quickly":[127],"made":[128],"through":[129],"exploiting":[130],"lookup":[131],"hash":[132],"tables.":[133],"conduct":[135],"thorough":[136],"experiments":[137],"two":[139],"large-scale":[141],"datasets.":[142],"The":[143],"experimental":[144],"results":[145],"demonstrate":[146],"that,":[147],"comparing":[148],"with":[149],"classic":[151],"(distributed)":[154],"models,":[157],"comparable":[160],"performance":[161,188],"terms":[163],"of":[164,189],"accuracy":[166],"but":[167],"fast":[170],"convergence":[171],"speed":[172],"procedure":[177],"realtime":[179],"Furthermore,":[185],"encouraging":[187],"is":[191],"also":[192],"shown":[193],"for":[194],"several":[195],"real-world":[196],"applications":[197],"Ant":[199],"Financial.":[200]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}