{"id":"https://openalex.org/W2969547867","doi":"https://doi.org/10.1109/tpds.2019.2935727","title":"Wiera: Policy-Driven Multi-Tiered Geo-Distributed Cloud Storage System","display_name":"Wiera: Policy-Driven Multi-Tiered Geo-Distributed Cloud Storage System","publication_year":2019,"publication_date":"2019-08-22","ids":{"openalex":"https://openalex.org/W2969547867","doi":"https://doi.org/10.1109/tpds.2019.2935727","mag":"2969547867"},"language":"en","primary_location":{"id":"doi:10.1109/tpds.2019.2935727","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tpds.2019.2935727","pdf_url":null,"source":{"id":"https://openalex.org/S97130795","display_name":"IEEE Transactions on Parallel and Distributed Systems","issn_l":"1045-9219","issn":["1045-9219","1558-2183","2161-9883"],"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 Parallel and Distributed Systems","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/A5091738746","display_name":"Kwangsung Oh","orcid":"https://orcid.org/0000-0003-3281-7325"},"institutions":[{"id":"https://openalex.org/I4210101327","display_name":"Twin Cities Orthopedics","ror":"https://ror.org/01en4s460","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210101327"]},{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Kwangsung Oh","raw_affiliation_strings":["Department of Computer Science and Engineering, University of Minnesota Twin Cities, Minneapolis, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, University of Minnesota Twin Cities, Minneapolis, USA","institution_ids":["https://openalex.org/I4210101327","https://openalex.org/I130238516"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034345217","display_name":"Nan Qin","orcid":"https://orcid.org/0000-0002-3442-8043"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]},{"id":"https://openalex.org/I4210101327","display_name":"Twin Cities Orthopedics","ror":"https://ror.org/01en4s460","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210101327"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Nan Qin","raw_affiliation_strings":["Department of Computer Science and Engineering, University of Minnesota Twin Cities, Minneapolis, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, University of Minnesota Twin Cities, Minneapolis, USA","institution_ids":["https://openalex.org/I4210101327","https://openalex.org/I130238516"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006850370","display_name":"Abhishek Chandra","orcid":"https://orcid.org/0000-0001-9914-2604"},"institutions":[{"id":"https://openalex.org/I4210101327","display_name":"Twin Cities Orthopedics","ror":"https://ror.org/01en4s460","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210101327"]},{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Abhishek Chandra","raw_affiliation_strings":["Department of Computer Science and Engineering, University of Minnesota Twin Cities, Minneapolis, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, University of Minnesota Twin Cities, Minneapolis, USA","institution_ids":["https://openalex.org/I4210101327","https://openalex.org/I130238516"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023030604","display_name":"Jon Weissman","orcid":"https://orcid.org/0000-0001-8799-317X"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]},{"id":"https://openalex.org/I4210101327","display_name":"Twin Cities Orthopedics","ror":"https://ror.org/01en4s460","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210101327"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jon Weissman","raw_affiliation_strings":["Department of Computer Science and Engineering, University of Minnesota Twin Cities, Minneapolis, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, University of Minnesota Twin Cities, Minneapolis, USA","institution_ids":["https://openalex.org/I4210101327","https://openalex.org/I130238516"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5091738746"],"corresponding_institution_ids":["https://openalex.org/I130238516","https://openalex.org/I4210101327"],"apc_list":null,"apc_paid":null,"fwci":2.4631,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.91443862,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"31","issue":"2","first_page":"294","last_page":"305"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","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/T10101","display_name":"Cloud Computing and Resource Management","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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9997000098228455,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9995999932289124,"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":0.8153268098831177},{"id":"https://openalex.org/keywords/dynamism","display_name":"Dynamism","score":0.782846212387085},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.7618969678878784},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.719153106212616},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.48529738187789917},{"id":"https://openalex.org/keywords/cloud-storage","display_name":"Cloud storage","score":0.4649188816547394},{"id":"https://openalex.org/keywords/information-repository","display_name":"Information repository","score":0.4551037847995758},{"id":"https://openalex.org/keywords/storage-area-network","display_name":"Storage area network","score":0.43379148840904236},{"id":"https://openalex.org/keywords/computer-data-storage","display_name":"Computer data storage","score":0.4289964437484741},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.41142237186431885},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3621171712875366},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.26439064741134644}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8153268098831177},{"id":"https://openalex.org/C2775836275","wikidata":"https://www.wikidata.org/wiki/Q3502310","display_name":"Dynamism","level":2,"score":0.782846212387085},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.7618969678878784},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.719153106212616},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.48529738187789917},{"id":"https://openalex.org/C2777059624","wikidata":"https://www.wikidata.org/wiki/Q914359","display_name":"Cloud storage","level":3,"score":0.4649188816547394},{"id":"https://openalex.org/C3102742","wikidata":"https://www.wikidata.org/wiki/Q6031177","display_name":"Information repository","level":3,"score":0.4551037847995758},{"id":"https://openalex.org/C67646966","wikidata":"https://www.wikidata.org/wiki/Q237576","display_name":"Storage area network","level":3,"score":0.43379148840904236},{"id":"https://openalex.org/C194739806","wikidata":"https://www.wikidata.org/wiki/Q66221","display_name":"Computer data storage","level":2,"score":0.4289964437484741},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.41142237186431885},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3621171712875366},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.26439064741134644},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","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},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tpds.2019.2935727","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tpds.2019.2935727","pdf_url":null,"source":{"id":"https://openalex.org/S97130795","display_name":"IEEE Transactions on Parallel and Distributed Systems","issn_l":"1045-9219","issn":["1045-9219","1558-2183","2161-9883"],"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 Parallel and Distributed Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4099999964237213,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W192446467","https://openalex.org/W1438336764","https://openalex.org/W1502450072","https://openalex.org/W1516720694","https://openalex.org/W1534546243","https://openalex.org/W1778962283","https://openalex.org/W1793325024","https://openalex.org/W1965253814","https://openalex.org/W1985229168","https://openalex.org/W1992479210","https://openalex.org/W2009051782","https://openalex.org/W2071312802","https://openalex.org/W2078432474","https://openalex.org/W2119565742","https://openalex.org/W2142849519","https://openalex.org/W2163961697","https://openalex.org/W2406836379","https://openalex.org/W2414012415","https://openalex.org/W2522303132","https://openalex.org/W2913877777","https://openalex.org/W3137759927","https://openalex.org/W4237774489","https://openalex.org/W6607881844","https://openalex.org/W6628439859","https://openalex.org/W6629901665","https://openalex.org/W6632178088","https://openalex.org/W6637989641","https://openalex.org/W6638064508","https://openalex.org/W6648576785","https://openalex.org/W6652594237","https://openalex.org/W6684084819","https://openalex.org/W6713707562","https://openalex.org/W6758543619"],"related_works":["https://openalex.org/W2988080705","https://openalex.org/W2352348060","https://openalex.org/W3203987974","https://openalex.org/W2021496484","https://openalex.org/W1999590660","https://openalex.org/W3162884427","https://openalex.org/W2369572752","https://openalex.org/W2080470135","https://openalex.org/W4287184259","https://openalex.org/W2185451781"],"abstract_inverted_index":{"Multi-tiered":[0],"geo-distributed":[1,146],"cloud":[2,147,207,223],"storage":[3,14,18,148,224],"systems":[4],"must":[5],"tame":[6],"complexity":[7],"at":[8,154],"many":[9,43],"levels:":[10],"uniform":[11],"APIs":[12],"for":[13,86,106,127],"access,":[15],"supporting":[16],"flexible":[17,167],"policies":[19,70,80,169,185],"that":[20,212],"meet":[21,110],"a":[22,73,180,187,202],"wide":[23],"array":[24],"of":[25,45,67,122,166,183,196],"application":[26],"metrics,":[27],"determining":[28],"an":[29,58,102,117],"optimal":[30,103],"data":[31,68,104],"placement,":[32],"handling":[33],"uncertain":[34],"network":[35],"dynamics":[36,218],"and":[37,40,49,76,91,93,133,190,194,210,219,228],"access":[38,134],"dynamism,":[39],"operating":[41],"across":[42,50,77,229],"levels":[44],"heterogeneity":[46],"both":[47,71,226],"within":[48,72,227],"data-centers":[51],"(DCs).":[52],"In":[53,98],"this":[54],"paper,":[55],"we":[56,140],"present":[57],"integrated":[59],"solution":[60],"called":[61],"Wiera.":[62],"Wiera":[63,100,123,142,156,178,203],"enables":[64,179],"the":[65,82,107,144,164,172,192,197],"specification":[66,182],"management":[69],"local":[74],"DC":[75],"DCs.":[78,230],"Such":[79],"enable":[81],"user":[83,108],"to":[84,94,109,130,162],"optimize":[85],"cost,":[87],"performance,":[88],"reliability,":[89],"durability,":[90],"consistency,":[92],"express":[95],"their":[96,111],"tradeoffs.":[97],"addition,":[99],"determines":[101],"placement":[105],"desired":[112],"tradeoffs":[113],"easily":[114],"in":[115,220],"such":[116],"environment.":[118],"A":[119],"key":[120],"aspect":[121],"is":[124,143],"first-class":[125],"support":[126],"dynamism":[128,152],"due":[129],"network,":[131],"workload,":[132],"patterns":[135],"changes.":[136],"As":[137],"far":[138],"as":[139],"know,":[141],"first":[145],"system":[149],"which":[150],"handles":[151],"actively":[153],"run-time.":[155],"allows":[157],"<italic":[158],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[159],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">unmodified":[160],"applications</i>":[161],"reap":[163],"benefits":[165,215],"data/storage":[168],"by":[170],"externalizing":[171],"policy":[173],"specification.":[174],"We":[175,199],"show":[176],"how":[177],"rich":[181],"dynamic":[184],"using":[186,221],"concise":[188],"notation":[189],"describe":[191],"design":[193],"implementation":[195],"system.":[198],"have":[200],"implemented":[201],"prototype":[204],"on":[205],"multiple":[206,222],"environments,":[208],"AWS":[209],"Azure,":[211],"illustrates":[213],"potential":[214],"from":[216],"managing":[217],"tiers":[225]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1}],"updated_date":"2026-03-25T14:56:36.534964","created_date":"2025-10-10T00:00:00"}
