{"id":"https://openalex.org/W2343361823","doi":"https://doi.org/10.1109/tcsvt.2015.2455712","title":"Joint Content Replication and Request Routing for Social Video Distribution Over Cloud CDN: A Community Clustering Method","display_name":"Joint Content Replication and Request Routing for Social Video Distribution Over Cloud CDN: A Community Clustering Method","publication_year":2015,"publication_date":"2015-07-13","ids":{"openalex":"https://openalex.org/W2343361823","doi":"https://doi.org/10.1109/tcsvt.2015.2455712","mag":"2343361823"},"language":"en","primary_location":{"id":"doi:10.1109/tcsvt.2015.2455712","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2015.2455712","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems for Video Technology","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://ir.opt.ac.cn/handle/181661/28246","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5020194895","display_name":"Han Hu","orcid":"https://orcid.org/0000-0001-7532-0496"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Han Hu","raw_affiliation_strings":["School of Computer Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Computer Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041572550","display_name":"Yonggang Wen","orcid":"https://orcid.org/0000-0002-2751-5114"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yonggang Wen","raw_affiliation_strings":["School of Computer Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Computer Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089404640","display_name":"Tat\u2010Seng Chua","orcid":"https://orcid.org/0000-0001-6097-7807"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Tat-Seng Chua","raw_affiliation_strings":["School of Computing, National University of Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Computing, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100606274","display_name":"Jian Huang","orcid":"https://orcid.org/0000-0002-4638-2636"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Huang","raw_affiliation_strings":["Sun Yat-sen University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100339293","display_name":"Wenwu Zhu","orcid":"https://orcid.org/0000-0003-2236-9290"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenwu Zhu","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100740143","display_name":"Xuelong Li","orcid":"https://orcid.org/0000-0002-0019-4197"},"institutions":[{"id":"https://openalex.org/I4210144662","display_name":"Xi'an Institute of Optics and Precision Mechanics","ror":"https://ror.org/0444j5556","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210144662"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuelong Li","raw_affiliation_strings":["Center for OPTical IMagery Analysis and Learning (OPTIMAL), State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi\u2019an, China","Center for OPTical IMagery Analysis and Learning (OPTIMAL), State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"Center for OPTical IMagery Analysis and Learning (OPTIMAL), State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi\u2019an, China","institution_ids":["https://openalex.org/I4210144662"]},{"raw_affiliation_string":"Center for OPTical IMagery Analysis and Learning (OPTIMAL), State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, China","institution_ids":["https://openalex.org/I4210144662"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5020194895"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":22.474,"has_fulltext":false,"cited_by_count":117,"citation_normalized_percentile":{"value":0.99503027,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"26","issue":"7","first_page":"1320","last_page":"1333"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998999834060669,"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9983999729156494,"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/T11165","display_name":"Image and Video Quality Assessment","score":0.998199999332428,"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":0.8007509112358093},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.5904838442802429},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.5407595038414001},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.537172257900238},{"id":"https://openalex.org/keywords/social-network","display_name":"Social network (sociolinguistics)","score":0.4617491066455841},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.33836233615875244},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.28244468569755554},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20656314492225647},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.20348083972930908}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8007509112358093},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.5904838442802429},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.5407595038414001},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.537172257900238},{"id":"https://openalex.org/C4727928","wikidata":"https://www.wikidata.org/wiki/Q17164759","display_name":"Social network (sociolinguistics)","level":3,"score":0.4617491066455841},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.33836233615875244},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.28244468569755554},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20656314492225647},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.20348083972930908},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tcsvt.2015.2455712","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2015.2455712","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems for Video Technology","raw_type":"journal-article"},{"id":"pmh:oai:ir.opt.ac.cn:181661/28246","is_oa":true,"landing_page_url":"http://ir.opt.ac.cn/handle/181661/28246","pdf_url":null,"source":{"id":"https://openalex.org/S4377196962","display_name":"Institutional Repository of Xi'an Institute of Optics and Fine Mechanics, Chinese Academy of Sciences (Xian Institute of Optics and Precision Mechanics)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210144662","host_organization_name":"Xi'an Institute of Optics and Precision Mechanics","host_organization_lineage":["https://openalex.org/I4210144662"],"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":"Article"}],"best_oa_location":{"id":"pmh:oai:ir.opt.ac.cn:181661/28246","is_oa":true,"landing_page_url":"http://ir.opt.ac.cn/handle/181661/28246","pdf_url":null,"source":{"id":"https://openalex.org/S4377196962","display_name":"Institutional Repository of Xi'an Institute of Optics and Fine Mechanics, Chinese Academy of Sciences (Xian Institute of Optics and Precision Mechanics)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210144662","host_organization_name":"Xi'an Institute of Optics and Precision Mechanics","host_organization_lineage":["https://openalex.org/I4210144662"],"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":"Article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W88305129","https://openalex.org/W159361665","https://openalex.org/W1236737278","https://openalex.org/W1441763937","https://openalex.org/W1978414948","https://openalex.org/W1986252988","https://openalex.org/W1986883480","https://openalex.org/W1995708272","https://openalex.org/W2000200507","https://openalex.org/W2001149961","https://openalex.org/W2005727744","https://openalex.org/W2008622649","https://openalex.org/W2030969557","https://openalex.org/W2035100971","https://openalex.org/W2036622017","https://openalex.org/W2044033476","https://openalex.org/W2051067740","https://openalex.org/W2053275248","https://openalex.org/W2054408796","https://openalex.org/W2056412352","https://openalex.org/W2063250002","https://openalex.org/W2065468011","https://openalex.org/W2070876461","https://openalex.org/W2078639032","https://openalex.org/W2081684915","https://openalex.org/W2107913843","https://openalex.org/W2109603058","https://openalex.org/W2114948194","https://openalex.org/W2115022330","https://openalex.org/W2116756463","https://openalex.org/W2117410972","https://openalex.org/W2118268795","https://openalex.org/W2118519969","https://openalex.org/W2118704095","https://openalex.org/W2124930468","https://openalex.org/W2125032792","https://openalex.org/W2137152139","https://openalex.org/W2140360362","https://openalex.org/W2149965524","https://openalex.org/W2157954477","https://openalex.org/W2165232124","https://openalex.org/W2166972046","https://openalex.org/W2499231271","https://openalex.org/W2965478150","https://openalex.org/W3137281031","https://openalex.org/W4301852635","https://openalex.org/W6659278158"],"related_works":["https://openalex.org/W2368605798","https://openalex.org/W2518037665","https://openalex.org/W2348524959","https://openalex.org/W2368049389","https://openalex.org/W2384861574","https://openalex.org/W2952704802","https://openalex.org/W4294565801","https://openalex.org/W2142306706","https://openalex.org/W2477036161","https://openalex.org/W2030628044"],"abstract_inverted_index":{"The":[0],"increasing":[1],"popularity":[2],"of":[3,14,30,113,120],"online":[4,155],"social":[5,15,22,31,40,46,83,86,114],"networks":[6],"(OSNs)":[7],"has":[8],"been":[9],"transforming":[10],"the":[11,21,28,39,55,63,69,111,118,125,130,160,180,189],"dissemination":[12],"pattern":[13,25],"video":[16,32,47,92,115,132],"contents.":[17],"We":[18,162],"can":[19,178],"utilize":[20],"information":[23],"propagation":[24,116],"to":[26,61,109],"improve":[27],"efficiency":[29],"distribution.":[33],"In":[34],"this":[35],"paper,":[36],"motivated":[37],"by":[38,183],"community":[41,78],"classification,":[42],"we":[43,74,99,128,152],"present":[44,76],"a":[45,77,101,105,142,148,167],"replication":[48,133],"and":[49,90,117,134,138,157,173],"user":[50],"request":[51,135],"dispatching":[52,136],"mechanism":[53],"in":[54],"cloud":[56],"content":[57],"delivery":[58],"network":[59],"architecture":[60],"reduce":[62,179],"system":[64,108],"operational":[65],"cost,":[66],"while":[67],"guaranteeing":[68],"averaged":[70],"service":[71,191],"latency.":[72,192],"Specifically,":[73],"first":[75],"classification":[79],"method":[80],"that":[81,175],"clusters":[82],"users":[84],"with":[85,188],"relationships,":[87],"close":[88],"geolocations,":[89],"similar":[91],"watching":[93],"interests":[94],"into":[95],"various":[96],"communities.":[97],"Then,":[98],"conduct":[100],"large-scale":[102],"measurement":[103],"on":[104,123,147,166],"real":[106,168],"OSN":[107],"study":[110],"diversities":[112],"effectiveness":[119],"our":[121,164,176],"communities":[122],"smoothing":[124],"diversity.":[126],"Finally,":[127],"propose":[129],"community-based":[131],"strategy":[137],"formulate":[139],"it":[140],"as":[141],"constrained":[143],"optimization":[144,150],"problem.":[145],"Based":[146],"stochastic":[149],"framework,":[151],"derive":[153],"an":[154],"solution":[156],"rigorously":[158],"prove":[159],"optimality.":[161],"evaluate":[163],"algorithm":[165,177],"trace":[169],"under":[170],"realistic":[171],"settings":[172],"demonstrate":[174],"monetary":[181],"cost":[182],"30%":[184],"against":[185],"traditional":[186],"approaches":[187],"same":[190]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":11},{"year":2019,"cited_by_count":14},{"year":2018,"cited_by_count":21},{"year":2017,"cited_by_count":26},{"year":2016,"cited_by_count":17}],"updated_date":"2026-03-25T14:56:36.534964","created_date":"2025-10-10T00:00:00"}
