{"id":"https://openalex.org/W4415366741","doi":"https://doi.org/10.1109/isit63088.2025.11195228","title":"Sun-Jafar-Type Schemes for Weak Private Information Retrieval","display_name":"Sun-Jafar-Type Schemes for Weak Private Information Retrieval","publication_year":2025,"publication_date":"2025-06-22","ids":{"openalex":"https://openalex.org/W4415366741","doi":"https://doi.org/10.1109/isit63088.2025.11195228"},"language":null,"primary_location":{"id":"doi:10.1109/isit63088.2025.11195228","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit63088.2025.11195228","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-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":null,"display_name":"Chandan Anand","orcid":null},"institutions":[{"id":"https://openalex.org/I64189192","display_name":"International Institute of Information Technology, Hyderabad","ror":"https://ror.org/05f11g639","country_code":"IN","type":"education","lineage":["https://openalex.org/I64189192"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Chandan Anand","raw_affiliation_strings":["International Institute of Information Technology,Signal Processing and Communications Research Center,Hyderabad,India,500032"],"affiliations":[{"raw_affiliation_string":"International Institute of Information Technology,Signal Processing and Communications Research Center,Hyderabad,India,500032","institution_ids":["https://openalex.org/I64189192"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5116000545","display_name":"Jayesh Seshadri","orcid":null},"institutions":[{"id":"https://openalex.org/I64189192","display_name":"International Institute of Information Technology, Hyderabad","ror":"https://ror.org/05f11g639","country_code":"IN","type":"education","lineage":["https://openalex.org/I64189192"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Jayesh Seshadri","raw_affiliation_strings":["International Institute of Information Technology,Signal Processing and Communications Research Center,Hyderabad,India,500032"],"affiliations":[{"raw_affiliation_string":"International Institute of Information Technology,Signal Processing and Communications Research Center,Hyderabad,India,500032","institution_ids":["https://openalex.org/I64189192"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Prasad Krishnan","orcid":null},"institutions":[{"id":"https://openalex.org/I64189192","display_name":"International Institute of Information Technology, Hyderabad","ror":"https://ror.org/05f11g639","country_code":"IN","type":"education","lineage":["https://openalex.org/I64189192"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Prasad Krishnan","raw_affiliation_strings":["International Institute of Information Technology,Signal Processing and Communications Research Center,Hyderabad,India,500032"],"affiliations":[{"raw_affiliation_string":"International Institute of Information Technology,Signal Processing and Communications Research Center,Hyderabad,India,500032","institution_ids":["https://openalex.org/I64189192"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5116000546","display_name":"Gowtham R. Kurri","orcid":null},"institutions":[{"id":"https://openalex.org/I64189192","display_name":"International Institute of Information Technology, Hyderabad","ror":"https://ror.org/05f11g639","country_code":"IN","type":"education","lineage":["https://openalex.org/I64189192"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Gowtham R. Kurri","raw_affiliation_strings":["International Institute of Information Technology,Signal Processing and Communications Research Center,Hyderabad,India,500032"],"affiliations":[{"raw_affiliation_string":"International Institute of Information Technology,Signal Processing and Communications Research Center,Hyderabad,India,500032","institution_ids":["https://openalex.org/I64189192"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I64189192"],"apc_list":null,"apc_paid":null,"fwci":2.26,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.91165292,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998000264167786,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9916999936103821,"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/T12288","display_name":"Optimization and Search Problems","score":0.9758999943733215,"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/information-leakage","display_name":"Information leakage","score":0.7293000221252441},{"id":"https://openalex.org/keywords/private-information-retrieval","display_name":"Private information retrieval","score":0.6836000084877014},{"id":"https://openalex.org/keywords/leakage","display_name":"Leakage (economics)","score":0.5385000109672546},{"id":"https://openalex.org/keywords/protocol","display_name":"Protocol (science)","score":0.4438000023365021},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4417000114917755},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.42829999327659607},{"id":"https://openalex.org/keywords/file-size","display_name":"File size","score":0.4174000024795532},{"id":"https://openalex.org/keywords/privacy-protection","display_name":"Privacy protection","score":0.3434000015258789}],"concepts":[{"id":"https://openalex.org/C2779201187","wikidata":"https://www.wikidata.org/wiki/Q2775060","display_name":"Information leakage","level":2,"score":0.7293000221252441},{"id":"https://openalex.org/C99221444","wikidata":"https://www.wikidata.org/wiki/Q1532069","display_name":"Private information retrieval","level":2,"score":0.6836000084877014},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6298999786376953},{"id":"https://openalex.org/C2777042071","wikidata":"https://www.wikidata.org/wiki/Q6509304","display_name":"Leakage (economics)","level":2,"score":0.5385000109672546},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.4438000023365021},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4417000114917755},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.42829999327659607},{"id":"https://openalex.org/C2776029614","wikidata":"https://www.wikidata.org/wiki/Q1146367","display_name":"File size","level":2,"score":0.4174000024795532},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.38359999656677246},{"id":"https://openalex.org/C3017597292","wikidata":"https://www.wikidata.org/wiki/Q25052250","display_name":"Privacy protection","level":2,"score":0.3434000015258789},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3301999866962433},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3237999975681305},{"id":"https://openalex.org/C137822555","wikidata":"https://www.wikidata.org/wiki/Q2587068","display_name":"Information sensitivity","level":2,"score":0.31709998846054077},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.314300000667572},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.30809998512268066},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.30709999799728394},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3059999942779541},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.30239999294281006},{"id":"https://openalex.org/C97250363","wikidata":"https://www.wikidata.org/wiki/Q235557","display_name":"File format","level":2,"score":0.2987000048160553},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2833000123500824},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2782000005245209},{"id":"https://openalex.org/C52622258","wikidata":"https://www.wikidata.org/wiki/Q131222","display_name":"Information theory","level":2,"score":0.27709999680519104},{"id":"https://openalex.org/C56317617","wikidata":"https://www.wikidata.org/wiki/Q378922","display_name":"Indexed file","level":3,"score":0.2750000059604645},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.2651999890804291},{"id":"https://openalex.org/C152139883","wikidata":"https://www.wikidata.org/wiki/Q252973","display_name":"Mutual information","level":2,"score":0.2621999979019165},{"id":"https://openalex.org/C36686422","wikidata":"https://www.wikidata.org/wiki/Q11167","display_name":"Tilde","level":2,"score":0.2587999999523163},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.25040000677108765}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit63088.2025.11195228","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit63088.2025.11195228","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W2119966192","https://openalex.org/W2531251918","https://openalex.org/W2599749253","https://openalex.org/W2768218911","https://openalex.org/W2961382438","https://openalex.org/W2962692592","https://openalex.org/W2970151185","https://openalex.org/W2998261580","https://openalex.org/W3006994039","https://openalex.org/W3081145894","https://openalex.org/W3128892202","https://openalex.org/W3171091364","https://openalex.org/W3213686212","https://openalex.org/W3214610463","https://openalex.org/W4289655286","https://openalex.org/W4387448095","https://openalex.org/W4401693074","https://openalex.org/W4401693324","https://openalex.org/W4415366741"],"related_works":[],"abstract_inverted_index":{"In":[0,73,183],"information-theoretic":[1,80],"private":[2,34],"information":[3,93,252],"retrieval":[4],"(PIR),":[5],"a":[6,145],"client":[7],"wants":[8],"to":[9,59,88,100,205,263],"retrieve":[10],"one":[11],"desired":[12,32,96],"file":[13,33,57,97],"out":[14],"of":[15,30,41,55,63,78,118,196,200,266],"<tex":[16,22,37,236],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[17,23,38,125,130,237],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$M$</tex>":[18],"files,":[19],"stored":[20],"across":[21],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$N$</tex>":[24],"servers,":[25,68],"while":[26,69,91],"keeping":[27],"the":[28,31,49,53,56,60,64,67,76,95,101,114,150,156,175,178,184,197,201,206,210,217,221,235,246,250,258,261,264],"index":[29,98],"from":[35,66],"each":[36],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$T$</tex>-sized":[39],"subset":[40],"servers.":[42,102],"A":[43],"PIR":[44],"protocol":[45],"must":[46],"ideally":[47],"maximize":[48],"rate,":[50],"which":[51],"is":[52,82,105],"ratio":[54],"size":[58],"total":[61],"quantum":[62],"download":[65],"ensuring":[70],"such":[71],"privacy.":[72],"Weak-PIR":[74],"(WPIR),":[75],"criterion":[77],"perfect":[79],"privacy":[81,110,181,242],"relaxed.":[83],"This":[84,103],"enables":[85],"higher":[86],"rates":[87],"be":[89],"achieved,":[90],"some":[92,231],"about":[94],"leaks":[99],"leakage":[104,180,193,212],"captured":[106],"by":[107,153,158],"various":[108],"known":[109],"metrics.":[111,182],"By":[112],"leveraging":[113],"well-established":[115],"capacity-achieving":[116],"schemes":[117],"Sun":[119],"and":[120,127,160,177,223,244],"Jafar":[121],"under":[122,174,191,209,249],"non-colluding":[123],"(<tex":[124,129],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$T=1$</tex>)":[126],"colluding":[128],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$1&lt;T":[131],"\\leq":[132],"N$</tex>)":[133],"scenarios,":[134],"we":[135,214],"present":[136,144,166],"WPIR":[137,147],"protocols":[138],"for":[139,149,162,171,230,245],"these":[140,172],"scenarios.":[141],"We":[142,165],"also":[143],"new":[146],"scheme":[148,157,227],"MDS":[151,207,247],"scenario,":[152],"building":[154],"upon":[155],"Banawan":[159],"Ulukus":[161],"this":[163],"scenario.":[164],"corresponding":[167],"explicit":[168],"rate-privacy":[169,255],"trade-offs":[170,256],"setups,":[173],"mutual-information":[176],"maximal":[179,192,211],"collusion-free":[185],"setup,":[186],"our":[187,226,254,267],"presented":[188],"rateprivacy":[189],"trade-off":[190,219],"matches":[194],"that":[195,225],"previous":[198],"state":[199],"art.":[202],"With":[203],"respect":[204],"scenario":[208],"metric,":[213,253],"compare":[215],"with":[216],"non-explicit":[218],"in":[220,260],"literature,":[222,262],"show":[224],"performs":[228],"better":[229],"numerical":[232],"examples.":[233],"For":[234],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$T$</tex>-collusion":[238],"setup":[239,248],"(under":[240],"both":[241],"metrics)":[243],"mutual":[251],"are":[257],"first":[259],"best":[265],"knowledge.":[268]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-17T18:11:37.981687","created_date":"2025-10-21T00:00:00"}