{"id":"https://openalex.org/W2620965973","doi":"https://doi.org/10.1109/tmm.2017.2710799","title":"Cost-Effective Low-Delay Design for Multiparty Cloud Video Conferencing","display_name":"Cost-Effective Low-Delay Design for Multiparty Cloud Video Conferencing","publication_year":2017,"publication_date":"2017-06-01","ids":{"openalex":"https://openalex.org/W2620965973","doi":"https://doi.org/10.1109/tmm.2017.2710799","mag":"2620965973"},"language":"en","primary_location":{"id":"doi:10.1109/tmm.2017.2710799","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2017.2710799","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"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 Multimedia","raw_type":"journal-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/A5046146251","display_name":"Mohammad Hajiesmaili","orcid":"https://orcid.org/0000-0001-9278-2254"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK","US"],"is_corresponding":false,"raw_author_name":"Mohammad H. Hajiesmaili","raw_affiliation_strings":["The Chinese University of Hong Kong, Shatin, Hong Kong","Whiting School of Engineering, The Johns Hopkins University, Baltimore, MD, USA"],"raw_orcid":"https://orcid.org/0000-0001-9278-2254","affiliations":[{"raw_affiliation_string":"The Chinese University of Hong Kong, Shatin, Hong Kong","institution_ids":["https://openalex.org/I177725633"]},{"raw_affiliation_string":"Whiting School of Engineering, The Johns Hopkins University, Baltimore, MD, USA","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058325685","display_name":"Lok To Mak","orcid":null},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lok To Mak","raw_affiliation_strings":["Department of Information Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100376399","display_name":"Zhi Wang","orcid":"https://orcid.org/0000-0002-5462-6178"},"institutions":[{"id":"https://openalex.org/I3131625388","display_name":"University Town of Shenzhen","ror":"https://ror.org/05f5j6225","country_code":"CN","type":"education","lineage":["https://openalex.org/I3131625388"]},{"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":"Zhi Wang","raw_affiliation_strings":["Graduate School at Shenzhen, Tsinghua University, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School at Shenzhen, Tsinghua University, Shenzhen, China","institution_ids":["https://openalex.org/I3131625388","https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012597518","display_name":"Chuan Wu","orcid":"https://orcid.org/0000-0002-3144-4398"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Chuan Wu","raw_affiliation_strings":["Department of Computer Science, The University of Hong Kong, Pokfulam, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, The University of Hong Kong, Pokfulam, Hong Kong","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100602652","display_name":"Minghua Chen","orcid":"https://orcid.org/0000-0003-4763-0037"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Minghua Chen","raw_affiliation_strings":["Department of Information Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091782280","display_name":"Ahmad Khonsari","orcid":"https://orcid.org/0000-0002-8669-4001"},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]},{"id":"https://openalex.org/I4210146419","display_name":"Institute for Research in Fundamental Sciences","ror":"https://ror.org/04xreqs31","country_code":"IR","type":"facility","lineage":["https://openalex.org/I4210146419"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Ahmad Khonsari","raw_affiliation_strings":["School of Computer Science, Institute for Research in Fundamental Sciences, Tehran, Iran","School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran, Iran"],"raw_orcid":"https://orcid.org/0000-0002-8669-4001","affiliations":[{"raw_affiliation_string":"School of Computer Science, Institute for Research in Fundamental Sciences, Tehran, Iran","institution_ids":["https://openalex.org/I4210146419"]},{"raw_affiliation_string":"School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran, Iran","institution_ids":["https://openalex.org/I23946033"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.3657,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.93269468,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"19","issue":"12","first_page":"2760","last_page":"2774"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9991000294685364,"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":0.9991000294685364,"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/T10714","display_name":"Software-Defined Networks and 5G","score":0.9990000128746033,"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":0.9987000226974487,"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":0.9153012037277222},{"id":"https://openalex.org/keywords/planetlab","display_name":"PlanetLab","score":0.8219426870346069},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.7497018575668335},{"id":"https://openalex.org/keywords/transcoding","display_name":"Transcoding","score":0.6798679828643799},{"id":"https://openalex.org/keywords/videoconferencing","display_name":"Videoconferencing","score":0.537121057510376},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.5267851948738098},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4961126744747162},{"id":"https://openalex.org/keywords/user-agent","display_name":"User agent","score":0.4212109446525574},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.4194942116737366},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.4192255139350891},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.31220370531082153},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.17663025856018066},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.12362682819366455},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.11914119124412537},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09882944822311401}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.9153012037277222},{"id":"https://openalex.org/C2780300890","wikidata":"https://www.wikidata.org/wiki/Q851973","display_name":"PlanetLab","level":3,"score":0.8219426870346069},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.7497018575668335},{"id":"https://openalex.org/C134535813","wikidata":"https://www.wikidata.org/wiki/Q1888734","display_name":"Transcoding","level":2,"score":0.6798679828643799},{"id":"https://openalex.org/C22561748","wikidata":"https://www.wikidata.org/wiki/Q854954","display_name":"Videoconferencing","level":2,"score":0.537121057510376},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5267851948738098},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4961126744747162},{"id":"https://openalex.org/C71191987","wikidata":"https://www.wikidata.org/wiki/Q763744","display_name":"User agent","level":2,"score":0.4212109446525574},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.4194942116737366},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.4192255139350891},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.31220370531082153},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.17663025856018066},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.12362682819366455},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.11914119124412537},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09882944822311401}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tmm.2017.2710799","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2017.2710799","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"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 Multimedia","raw_type":"journal-article"},{"id":"pmh:oai:hub.hku.hk:10722/243530","is_oa":false,"landing_page_url":"http://hdl.handle.net/10722/243530","pdf_url":null,"source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.5}],"awards":[{"id":"https://openalex.org/G6189625885","display_name":null,"funder_award_id":"61402247","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G647416722","display_name":null,"funder_award_id":"2013CB336700","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321019","display_name":"University Grants Committee","ror":"https://ror.org/00djwmt25"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W798248036","https://openalex.org/W1510633532","https://openalex.org/W1549106046","https://openalex.org/W1601925768","https://openalex.org/W1985680508","https://openalex.org/W1996704710","https://openalex.org/W2004671549","https://openalex.org/W2005727744","https://openalex.org/W2022575296","https://openalex.org/W2026640919","https://openalex.org/W2032934226","https://openalex.org/W2033480997","https://openalex.org/W2035752630","https://openalex.org/W2055376552","https://openalex.org/W2068523542","https://openalex.org/W2072134708","https://openalex.org/W2077252365","https://openalex.org/W2079812794","https://openalex.org/W2085381813","https://openalex.org/W2089050596","https://openalex.org/W2095912897","https://openalex.org/W2114202040","https://openalex.org/W2114298221","https://openalex.org/W2117838865","https://openalex.org/W2121663029","https://openalex.org/W2130267070","https://openalex.org/W2132238781","https://openalex.org/W2132397620","https://openalex.org/W2142449826","https://openalex.org/W2149528364","https://openalex.org/W2158650144","https://openalex.org/W2205198273","https://openalex.org/W2293888960","https://openalex.org/W2296319761","https://openalex.org/W2321027716","https://openalex.org/W2327842617","https://openalex.org/W2594430385","https://openalex.org/W2963603241","https://openalex.org/W4245558686","https://openalex.org/W4246488456","https://openalex.org/W4250589301","https://openalex.org/W4302422232","https://openalex.org/W6622816448","https://openalex.org/W6659101084"],"related_works":["https://openalex.org/W2003752564","https://openalex.org/W1979307418","https://openalex.org/W2135797138","https://openalex.org/W2592877159","https://openalex.org/W2233357953","https://openalex.org/W2159342399","https://openalex.org/W1480697547","https://openalex.org/W2078281120","https://openalex.org/W1955784279","https://openalex.org/W2620965973"],"abstract_inverted_index":{"Multiparty":[0],"cloud":[1,18,41],"video":[2,22,201],"conferencing":[3,23,99,149,202,230],"architecture":[4],"has":[5],"been":[6],"recently":[7],"advocated":[8],"to":[9,19,47,89,91,106,138,159,182],"exploit":[10],"rich":[11],"computing":[12],"and":[13,43,57,75,82,96,101,116,131,147,171,204,226],"bandwidth":[14,115],"resources":[15],"in":[16,29,39,70,155],"the":[17,48,51,55,58,62,66,93,97,113,141,144,148,160,167,192,221],"effectively":[20],"improve":[21],"performance.":[24],"As":[25],"a":[26,125,179,186,199,210],"typical":[27],"design":[28],"this":[30,78],"architecture,":[31,79],"multiple":[32],"agents,":[33,56],"i.e.,":[34],"virtual":[35],"machines,":[36],"are":[37,45],"deployed":[38],"different":[40],"sites,":[42],"users":[44,52,88],"assigned":[46],"agents.":[49],"Then,":[50],"communicate":[53],"through":[54],"agents":[59,90,105],"might":[60],"transcode":[61],"recorded":[63],"videos":[64],"given":[65],"heterogeneities":[67],"among":[68],"devices":[69],"terms":[71],"of":[72,128,143,194,212],"hardware":[73],"specification":[74],"connectivity.":[76],"In":[77,209],"two":[80],"critical":[81],"nontrivial":[83],"challenges":[84],"are:":[85],"1)":[86],"assigning":[87],"reduce":[92],"operational":[94,222],"cost":[95,142,223],"user-to-user":[98],"delay":[100,231],"2)":[102],"identifying":[103],"best":[104],"perform":[107],"transcoding":[108],"tasks,":[109],"taking":[110],"into":[111],"account":[112],"heterogeneous":[114],"processing":[117],"availabilities.":[118],"To":[119,190],"address":[120],"these":[121],"challenges,":[122],"we":[123,197],"cast":[124],"joint":[126],"problem":[127,152,184],"user-to-agent":[129],"assignment":[130,163],"transcoding-agent":[132],"selection.":[133],"The":[134,151],"ultimate":[135],"objective":[136],"is":[137,153],"simultaneously":[139,227],"minimize":[140],"service":[145],"provider":[146],"delay.":[150],"combinatorial":[154],"nature,":[156],"which":[157],"belongs":[158],"NP-hard":[161],"node":[162],"problems.":[164],"We":[165],"leverage":[166],"Markov":[168],"approximation":[169],"framework":[170],"devise":[172],"an":[173,234],"adaptive":[174],"parallel":[175],"algorithm":[176],"that":[177],"finds":[178],"close-to-optimal":[180],"solution":[181,219],"our":[183,195,218],"with":[185,233],"bounded":[187],"performance":[188,193],"guarantee.":[189],"evaluate":[191],"solution,":[196],"implement":[198],"prototype":[200],"system":[203],"carry":[205],"out":[206],"trace-driven":[207],"experiments.":[208],"set":[211],"largescale":[213],"experiments":[214],"using":[215],"PlanetLab":[216],"traces,":[217],"decreases":[220],"by":[224],"77%":[225],"yields":[228],"lower":[229],"compared":[232],"existing":[235],"alternative.":[236]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2017-06-09T00:00:00"}