{"id":"https://openalex.org/W2806634942","doi":"https://doi.org/10.1109/tpds.2018.2842183","title":"A Flattened Metadata Service for Distributed File Systems","display_name":"A Flattened Metadata Service for Distributed File Systems","publication_year":2018,"publication_date":"2018-05-31","ids":{"openalex":"https://openalex.org/W2806634942","doi":"https://doi.org/10.1109/tpds.2018.2842183","mag":"2806634942"},"language":"en","primary_location":{"id":"doi:10.1109/tpds.2018.2842183","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tpds.2018.2842183","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/A5100615753","display_name":"Siyang Li","orcid":"https://orcid.org/0000-0002-4597-4533"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Siyang Li","raw_affiliation_strings":["State Key Laboratory of Mathematical Engineering and Advanced Computing, Zhengzhou, Henan, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Mathematical Engineering and Advanced Computing, Zhengzhou, Henan, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034700690","display_name":"Fenlin Liu","orcid":"https://orcid.org/0000-0001-8019-1713"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fenlin Liu","raw_affiliation_strings":["State Key Laboratory of Mathematical Engineering and Advanced Computing, Zhengzhou, Henan, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Mathematical Engineering and Advanced Computing, Zhengzhou, Henan, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101740783","display_name":"Jiwu Shu","orcid":"https://orcid.org/0000-0002-7362-2789"},"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":"Jiwu Shu","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052095173","display_name":"Youyou Lu","orcid":"https://orcid.org/0000-0002-6214-5390"},"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":"Youyou Lu","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100455308","display_name":"Tao Li","orcid":"https://orcid.org/0000-0002-5024-0198"},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tao Li","raw_affiliation_strings":["University of Florida, Gainesville, FL"],"affiliations":[{"raw_affiliation_string":"University of Florida, Gainesville, FL","institution_ids":["https://openalex.org/I33213144"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066434078","display_name":"Yang Hu","orcid":"https://orcid.org/0000-0001-6942-4395"},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yang Hu","raw_affiliation_strings":["University of Florida, Gainesville, FL"],"affiliations":[{"raw_affiliation_string":"University of Florida, Gainesville, FL","institution_ids":["https://openalex.org/I33213144"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100615753"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1072,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.79987177,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"29","issue":"12","first_page":"2641","last_page":"2657"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":1.0,"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/T11181","display_name":"Advanced Data Storage Technologies","score":1.0,"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/T11478","display_name":"Caching and Content Delivery","score":0.9980999827384949,"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.996999979019165,"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":0.8615046739578247},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.7620773315429688},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.43436992168426514},{"id":"https://openalex.org/keywords/file-system","display_name":"File system","score":0.42454737424850464},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.39120379090309143},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.37883156538009644},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.34761151671409607},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.3307403028011322}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8615046739578247},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.7620773315429688},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.43436992168426514},{"id":"https://openalex.org/C2780940931","wikidata":"https://www.wikidata.org/wiki/Q174989","display_name":"File system","level":2,"score":0.42454737424850464},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.39120379090309143},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.37883156538009644},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.34761151671409607},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.3307403028011322},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tpds.2018.2842183","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tpds.2018.2842183","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":[],"awards":[{"id":"https://openalex.org/G2224793458","display_name":null,"funder_award_id":"61772300","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4006564843","display_name":null,"funder_award_id":"61433008","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":72,"referenced_works":["https://openalex.org/W26797728","https://openalex.org/W41850619","https://openalex.org/W46913361","https://openalex.org/W1172733195","https://openalex.org/W1487773734","https://openalex.org/W1504483039","https://openalex.org/W1534481387","https://openalex.org/W1568181892","https://openalex.org/W1677118421","https://openalex.org/W1751683294","https://openalex.org/W1765651882","https://openalex.org/W1965363495","https://openalex.org/W1972234887","https://openalex.org/W1988909795","https://openalex.org/W1992755462","https://openalex.org/W1993830291","https://openalex.org/W1999984505","https://openalex.org/W2027758281","https://openalex.org/W2030002047","https://openalex.org/W2068739275","https://openalex.org/W2087697021","https://openalex.org/W2104292367","https://openalex.org/W2110298485","https://openalex.org/W2111262474","https://openalex.org/W2119565742","https://openalex.org/W2121133177","https://openalex.org/W2125788329","https://openalex.org/W2131220713","https://openalex.org/W2148132761","https://openalex.org/W2155197268","https://openalex.org/W2166884375","https://openalex.org/W2170432965","https://openalex.org/W2267406438","https://openalex.org/W2282225439","https://openalex.org/W2319310062","https://openalex.org/W2336314900","https://openalex.org/W2410108711","https://openalex.org/W2410712300","https://openalex.org/W2500803525","https://openalex.org/W2604964870","https://openalex.org/W2612064579","https://openalex.org/W2740453188","https://openalex.org/W2759027646","https://openalex.org/W2768070465","https://openalex.org/W2796347822","https://openalex.org/W2963078748","https://openalex.org/W4252279099","https://openalex.org/W4298816067","https://openalex.org/W4300806530","https://openalex.org/W6601733191","https://openalex.org/W6627708365","https://openalex.org/W6629140250","https://openalex.org/W6630343179","https://openalex.org/W6632020668","https://openalex.org/W6633954485","https://openalex.org/W6637299323","https://openalex.org/W6637567937","https://openalex.org/W6638103855","https://openalex.org/W6650418438","https://openalex.org/W6675860932","https://openalex.org/W6678962629","https://openalex.org/W6684841828","https://openalex.org/W6693436320","https://openalex.org/W6695654562","https://openalex.org/W6696036982","https://openalex.org/W6699821053","https://openalex.org/W6702969343","https://openalex.org/W6714608049","https://openalex.org/W6717445520","https://openalex.org/W6736132691","https://openalex.org/W6737111255","https://openalex.org/W6741443139"],"related_works":["https://openalex.org/W1533329019","https://openalex.org/W1992807924","https://openalex.org/W3008227739","https://openalex.org/W2388215124","https://openalex.org/W2009599571","https://openalex.org/W2064263198","https://openalex.org/W2900529157","https://openalex.org/W2370180436","https://openalex.org/W1748242852","https://openalex.org/W1505619784"],"abstract_inverted_index":{"Key-Value":[0],"stores":[1],"provide":[2],"scalable":[3],"metadata":[4,50,61,74,128],"service":[5],"for":[6],"distributed":[7,41],"file":[8,42,59,73,91],"systems.":[9],"However,":[10],"the":[11,26,32,55,70,84,103,115,127,148],"metadata's":[12],"organization":[13],"itself,":[14],"which":[15,89,133],"is":[16,66],"organized":[17],"using":[18],"a":[19,40,45,97,109,139],"directory":[20,85,93,104],"tree":[21],"structure,":[22,88],"does":[23],"not":[24],"fit":[25],"key-value":[27,63,76,116,141],"access":[28,117],"pattern,":[29],"thereby":[30],"limiting":[31],"performance.":[33,118],"To":[34],"address":[35],"this":[36],"issues,":[37],"we":[38],"propose":[39],"system":[43,60],"with":[44,78,123],"flattened":[46],"and":[47,62,87,92],"fine-grained":[48,110],"division":[49,111],"service,":[51],"LocoMeta,":[52],"to":[53,68,75,113,144],"bridge":[54,69],"performance":[56],"gap":[57,71],"between":[58,72],"stores.":[64],"LocoMeta":[65,82,122],"designed":[67],"store":[77],"two":[79],"techniques.":[80],"First,":[81],"flattens":[83],"content":[86],"organizes":[90],"index":[94],"nodes":[95,125],"in":[96,147],"flat":[98],"space":[99],"while":[100],"reversely":[101],"indexing":[102],"entries.":[105],"Second,":[106],"it":[107],"exploits":[108],"method":[112],"improve":[114],"Evaluations":[119],"show":[120],"that":[121],"eight":[124],"boosts":[126],"throughput":[129,137],"by":[130],"five":[131],"times,":[132],"approaches":[134],"93":[135],"percent":[136,146],"of":[138],"single-node":[140],"store,":[142],"compared":[143],"18":[145],"state-of-the-art":[149],"IndexFS.":[150]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}