{"id":"https://openalex.org/W2022619326","doi":"https://doi.org/10.1109/tit.2014.2325570","title":"Locally Repairable Codes","display_name":"Locally Repairable Codes","publication_year":2014,"publication_date":"2014-05-19","ids":{"openalex":"https://openalex.org/W2022619326","doi":"https://doi.org/10.1109/tit.2014.2325570","mag":"2022619326"},"language":"en","primary_location":{"id":"doi:10.1109/tit.2014.2325570","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2014.2325570","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","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/A5018630988","display_name":"Dimitris Papailiopoulos","orcid":null},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Dimitris S. Papailiopoulos","raw_affiliation_strings":["Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USA","Department of Electrical Engineering , University of Southern California , Los Angeles, CA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"Department of Electrical Engineering , University of Southern California , Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014141359","display_name":"Alexandros G. Dimakis","orcid":"https://orcid.org/0000-0002-4244-7033"},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alexandros G. Dimakis","raw_affiliation_strings":["Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USA","Department of Electrical Engineering , University of Southern California , Los Angeles, CA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"Department of Electrical Engineering , University of Southern California , Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5018630988"],"corresponding_institution_ids":["https://openalex.org/I1174212"],"apc_list":null,"apc_paid":null,"fwci":46.0435,"has_fulltext":false,"cited_by_count":359,"citation_normalized_percentile":{"value":0.99878074,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"60","issue":"10","first_page":"5843","last_page":"5855"},"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":0.9994000196456909,"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":0.9952999949455261,"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/locality","display_name":"Locality","score":0.7087805867195129},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.693920373916626},{"id":"https://openalex.org/keywords/erasure-code","display_name":"Erasure code","score":0.6706027984619141},{"id":"https://openalex.org/keywords/distributed-data-store","display_name":"Distributed data store","score":0.6255323886871338},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.46823635697364807},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.46512624621391296},{"id":"https://openalex.org/keywords/erasure","display_name":"Erasure","score":0.4229591488838196},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.39635610580444336},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2444089949131012},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.21632695198059082}],"concepts":[{"id":"https://openalex.org/C2779808786","wikidata":"https://www.wikidata.org/wiki/Q6664603","display_name":"Locality","level":2,"score":0.7087805867195129},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.693920373916626},{"id":"https://openalex.org/C137529215","wikidata":"https://www.wikidata.org/wiki/Q5385031","display_name":"Erasure code","level":3,"score":0.6706027984619141},{"id":"https://openalex.org/C24885549","wikidata":"https://www.wikidata.org/wiki/Q339678","display_name":"Distributed data store","level":2,"score":0.6255323886871338},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.46823635697364807},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.46512624621391296},{"id":"https://openalex.org/C2778790127","wikidata":"https://www.wikidata.org/wiki/Q484885","display_name":"Erasure","level":2,"score":0.4229591488838196},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.39635610580444336},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2444089949131012},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.21632695198059082},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tit.2014.2325570","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2014.2325570","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320307102","display_name":"Intel Corporation","ror":"https://ror.org/01ek73717"},{"id":"https://openalex.org/F4320308943","display_name":"Microsoft Research","ror":"https://ror.org/00d0nc645"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W154253821","https://openalex.org/W197831480","https://openalex.org/W1529946666","https://openalex.org/W1629652666","https://openalex.org/W1836955865","https://openalex.org/W1993830711","https://openalex.org/W1995147907","https://openalex.org/W2006551665","https://openalex.org/W2014149071","https://openalex.org/W2048235391","https://openalex.org/W2050413942","https://openalex.org/W2050500290","https://openalex.org/W2069026918","https://openalex.org/W2099837838","https://openalex.org/W2105185344","https://openalex.org/W2105831729","https://openalex.org/W2115602633","https://openalex.org/W2126067205","https://openalex.org/W2126295689","https://openalex.org/W2138744797","https://openalex.org/W2140420067","https://openalex.org/W2150777202","https://openalex.org/W2154063365","https://openalex.org/W2964143852","https://openalex.org/W3100282565","https://openalex.org/W3101824114","https://openalex.org/W3106482607","https://openalex.org/W6606324823","https://openalex.org/W6607934843","https://openalex.org/W6636565893"],"related_works":["https://openalex.org/W2982181605","https://openalex.org/W2963163039","https://openalex.org/W2130518071","https://openalex.org/W3102119340","https://openalex.org/W2137028263","https://openalex.org/W2115768470","https://openalex.org/W2807749388","https://openalex.org/W2623177195","https://openalex.org/W1694938350","https://openalex.org/W2744779861"],"abstract_inverted_index":{"Distributed":[0],"storage":[1,20,108],"systems":[2],"for":[3,9],"large-scale":[4],"applications":[5],"typically":[6],"use":[7],"replication":[8],"reliability.":[10,25],"Recently,":[11],"erasure":[12,31],"codes":[13,32,54,121],"were":[14],"used":[15],"to":[16,79,138],"reduce":[17],"the":[18,51,72,80,103,115],"large":[19],"overhead,":[21],"while":[22],"increasing":[23],"data":[24,65,155],"A":[26,42],"main":[27],"limitation":[28],"of":[29,53,75,82,110,117,166],"off-the-shelf":[30],"is":[33,161],"their":[34],"high-repair":[35],"cost":[36],"during":[37,86],"single":[38,88],"node":[39,89],"failure":[40],"events.":[41],"major":[43],"open":[44],"problem":[45],"in":[46],"this":[47,68,92,125],"area":[48],"has":[49],"been":[50],"design":[52],"that:":[55],"1)":[56],"are":[57],"repair":[58,73],"efficient":[59],"and":[60,107,148],"2)":[61],"achieve":[62,124],"arbitrarily":[63,153],"high":[64,154],"rates.":[66,156],"In":[67],"paper,":[69],"we":[70,94,144],"explore":[71],"metric":[74],"locality,":[76,104],"which":[77,136],"corresponds":[78],"number":[81],"disk":[83],"accesses":[84],"required":[85],"a":[87,131,139],"repair.":[90],"Under":[91],"metric,":[93],"characterize":[95],"an":[96,146],"information":[97],"theoretic":[98],"tradeoff":[99],"that":[100,123,151],"binds":[101],"together":[102],"code":[105,141],"distance,":[106],"capacity":[109],"each":[111],"node.":[112],"We":[113],"show":[114],"existence":[116],"optimal":[118,147,159],"locally":[119],"repairable":[120],"(LRCs)":[122],"tradeoff.":[126],"The":[127],"achievability":[128],"proof":[129],"uses":[130],"locality":[132,158],"aware":[133],"flow-graph":[134],"gadget,":[135],"leads":[137],"randomized":[140],"construction.":[142],"Finally,":[143],"present":[145],"explicit":[149],"LRC":[150],"achieves":[152],"Our":[157],"construction":[160],"based":[162],"on":[163],"simple":[164],"combinations":[165],"Reed-Solomon":[167],"blocks.":[168]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":20},{"year":2024,"cited_by_count":21},{"year":2023,"cited_by_count":21},{"year":2022,"cited_by_count":20},{"year":2021,"cited_by_count":34},{"year":2020,"cited_by_count":32},{"year":2019,"cited_by_count":35},{"year":2018,"cited_by_count":40},{"year":2017,"cited_by_count":51},{"year":2016,"cited_by_count":46},{"year":2015,"cited_by_count":22},{"year":2014,"cited_by_count":9},{"year":2013,"cited_by_count":2}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}