{"id":"https://openalex.org/W2975679388","doi":"https://doi.org/10.1109/isit.2019.8849528","title":"Private Information Retrieval from Locally Repairable Databases with Colluding Servers","display_name":"Private Information Retrieval from Locally Repairable Databases with Colluding Servers","publication_year":2019,"publication_date":"2019-07-01","ids":{"openalex":"https://openalex.org/W2975679388","doi":"https://doi.org/10.1109/isit.2019.8849528","mag":"2975679388"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2019.8849528","pdf_url":null,"source":{"id":"https://openalex.org/S4363604560","display_name":"2022 IEEE International Symposium on Information Theory (ISIT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1901.02938","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5006688702","display_name":"Umberto Mart\u00ednez-Pe\u00f1as","orcid":"https://orcid.org/0000-0003-2626-8139"},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"funder","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Umberto Martinez-Penas","raw_affiliation_strings":["Dept. of Electrical and Computer Engineering, University of Toronto, Canada"],"affiliations":[{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, University of Toronto, Canada","institution_ids":["https://openalex.org/I185261750"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5006688702"],"corresponding_institution_ids":["https://openalex.org/I185261750"],"apc_list":null,"apc_paid":null,"fwci":2.95,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.927012,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":91},"biblio":{"volume":null,"issue":null,"first_page":"1057","last_page":"1061"},"is_retracted":false,"is_paratext":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/T10237","display_name":"Cryptography and Data Security","score":0.9987,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11614","display_name":"Cloud Data Security Solutions","score":0.9892,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.62398744},{"id":"https://openalex.org/keywords/field-size","display_name":"Field size","score":0.4888503},{"id":"https://openalex.org/keywords/private-information-retrieval","display_name":"Private information retrieval","score":0.47581202}],"concepts":[{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.8019637},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.62398744},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.5142274},{"id":"https://openalex.org/C206468330","wikidata":"https://www.wikidata.org/wiki/Q834373","display_name":"Code rate","level":3,"score":0.4930701},{"id":"https://openalex.org/C3019527723","wikidata":"https://www.wikidata.org/wiki/Q260899","display_name":"Field size","level":3,"score":0.4888503},{"id":"https://openalex.org/C99221444","wikidata":"https://www.wikidata.org/wiki/Q1532069","display_name":"Private information retrieval","level":2,"score":0.47581202},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4467422},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.43266585},{"id":"https://openalex.org/C2779808786","wikidata":"https://www.wikidata.org/wiki/Q6664603","display_name":"Locality","level":2,"score":0.42864513},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.42389256},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34741947},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.34619716},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.32618067},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.27251226},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26527315},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.24495378},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.13549069},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.10246897},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0800266},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2019.8849528","pdf_url":null,"source":{"id":"https://openalex.org/S4363604560","display_name":"2022 IEEE International Symposium on Information Theory (ISIT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},{"is_oa":true,"landing_page_url":"https://arxiv.org/abs/1901.02938","pdf_url":"https://arxiv.org/pdf/1901.02938","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":["Cornell University"],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false}],"best_oa_location":{"is_oa":true,"landing_page_url":"https://arxiv.org/abs/1901.02938","pdf_url":"https://arxiv.org/pdf/1901.02938","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":["Cornell University"],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false},"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":21,"referenced_works":["https://openalex.org/W154253821","https://openalex.org/W1993830711","https://openalex.org/W2014149071","https://openalex.org/W2060646539","https://openalex.org/W2069554151","https://openalex.org/W2073346043","https://openalex.org/W2124961791","https://openalex.org/W2138744797","https://openalex.org/W2148575324","https://openalex.org/W2150307013","https://openalex.org/W2565803816","https://openalex.org/W2892776878","https://openalex.org/W2897866734","https://openalex.org/W2956089011","https://openalex.org/W2963073980","https://openalex.org/W2963413537","https://openalex.org/W2975679388","https://openalex.org/W2990480289","https://openalex.org/W3100282565","https://openalex.org/W3105025471","https://openalex.org/W3105958450"],"related_works":["https://openalex.org/W4234091740","https://openalex.org/W4213350282","https://openalex.org/W2533125852","https://openalex.org/W2388464034","https://openalex.org/W2140460949","https://openalex.org/W2105580438","https://openalex.org/W2092530219","https://openalex.org/W2057435755","https://openalex.org/W1556451512","https://openalex.org/W1555349535"],"abstract_inverted_index":{"Information-theoretical":[0],"private":[1],"information":[2,73],"retrieval":[3],"(PIR)":[4],"is":[5,17,74,108,116,141,164,199,258],"considered":[6,75,94],"from":[7,78],"a":[8,18,109,113],"coded":[9],"database":[10],"with":[11,23,30,66,205,233],"colluding":[12,152],"servers.":[13],"The":[14,161],"storage":[15,216,243,255,273],"code":[16,21,37],"locally":[19,71,105],"repairable":[20],"(LRC)":[22],"maximal":[24],"recoverability":[25],"(MR),":[26],"and":[27,53,69,76,203,257],"in":[28,172],"particular,":[29],"optimal":[31],"global":[32],"minimum":[33],"distance,":[34],"for":[35,149,213,241,250,270],"arbitrary":[36,271],"parameters:":[38],"Number":[39],"of":[40,87,144,175,183,207,238,264],"local":[41,46,67],"groups":[42],"g,":[43],"locality":[44],"r,":[45],"distance":[47],"\u03b4,":[48],"dimension":[49],"k":[50,126,156,189,221],"\u2264":[51,159],"gr":[52,134],"length":[54,143],"n":[55,136],"=":[56,123,133,135,192,197],"g(r":[57],"+":[58,89,129,157],"\u03b4":[59,90],"-":[60,91,125,127,137,139,188,190,220,222],"1).":[61],"Servers":[62],"are":[63,93],"identified":[64],"bijectively":[65],"groups,":[68],"only":[70,83],"non-redundant":[72],"downloaded":[77],"each":[79],"server,":[80],"that":[81,155,206,211,263,268],"is,":[82],"r":[84,88],"nodes":[85],"(out":[86],"1)":[92,140],"per":[95],"server.":[96],"When":[97],"the":[98,119,142,145,173,194,200,226,234],"remaining":[99],"MDS":[100,147,215,242,272],"code,":[101,112,148],"after":[102],"removing":[103],"all":[104],"redundant":[106],"nodes,":[107],"linearized":[110,253],"Reed-Solomon":[111,254],"PIR":[114,209,239,266],"scheme":[115],"provided":[117],"achieving":[118],"(download)":[120],"rate":[121,195,228,237],"R":[122,196,229],"(N":[124],"rt":[128,158,191,223],"1)/N,":[130],"where":[131],"N":[132,187,219],"g(\u03b4":[138],"restricted":[146],"any":[150,214],"t":[151],"servers":[153,176],"such":[154],"N.":[160],"field":[162],"size":[163],"roughly":[165],"g":[166],"r":[169],",":[170],"polynomial":[171],"number":[174,182],"g.":[177],"Assume":[178],"an":[179],"arbitrarily":[180],"large":[181],"stored":[184],"files.":[185],"If":[186,218],"0,":[193,225],"1/N":[198,231],"highest":[201],"known":[202,236,265],"coincides":[204,232],"previous":[208],"schemes":[210,240,267],"work":[212,249,269],"code.":[217],">":[224,230],"achieved":[227],"best":[235],"codes":[244],"(but":[245],"which":[246],"do":[247],"not":[248],"LRCs":[251],"or":[252],"codes)":[256],"always":[259],"strictly":[260],"higher":[261],"than":[262],"codes.":[274]},"abstract_inverted_index_v3":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2975679388","counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":3}],"updated_date":"2025-04-20T13:30:49.437874","created_date":"2019-10-03"}