{"id":"https://openalex.org/W3174091051","doi":"https://doi.org/10.1109/itw46852.2021.9457647","title":"Improved Memory-Rate Trade-off for Caching with Demand Privacy","display_name":"Improved Memory-Rate Trade-off for Caching with Demand Privacy","publication_year":2021,"publication_date":"2021-04-11","ids":{"openalex":"https://openalex.org/W3174091051","doi":"https://doi.org/10.1109/itw46852.2021.9457647","mag":"3174091051"},"language":"en","primary_location":{"id":"doi:10.1109/itw46852.2021.9457647","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itw46852.2021.9457647","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Information Theory Workshop (ITW)","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":"https://openalex.org/A5008828078","display_name":"Chinmay Gurjarpadhye","orcid":null},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Chinmay Gurjarpadhye","raw_affiliation_strings":["Indian Institute of Technology Bombay, Mumbai"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Bombay, Mumbai","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016538666","display_name":"Jithin Ravi","orcid":"https://orcid.org/0000-0001-5348-5847"},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jithin Ravi","raw_affiliation_strings":["Universidad Carlos III de Madrid, Leganes, Spain"],"affiliations":[{"raw_affiliation_string":"Universidad Carlos III de Madrid, Leganes, Spain","institution_ids":["https://openalex.org/I50357001"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064926409","display_name":"Bikash Kumar Dey","orcid":"https://orcid.org/0000-0003-0333-2257"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Bikash Kumar Dey","raw_affiliation_strings":["Indian Institute of Technology Bombay, Mumbai"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Bombay, Mumbai","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084509524","display_name":"Nikhil Karamchandani","orcid":"https://orcid.org/0000-0002-7233-0717"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Nikhil Karamchandani","raw_affiliation_strings":["Indian Institute of Technology Bombay, Mumbai"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Bombay, Mumbai","institution_ids":["https://openalex.org/I162827531"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5008828078"],"corresponding_institution_ids":["https://openalex.org/I162827531"],"apc_list":null,"apc_paid":null,"fwci":0.1593,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.50783368,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","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"}},"topics":[{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9969000220298767,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9735000133514404,"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/scheme","display_name":"Scheme (mathematics)","score":0.8166979551315308},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7153767943382263},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4780353009700775},{"id":"https://openalex.org/keywords/multiplicative-function","display_name":"Multiplicative function","score":0.43705302476882935},{"id":"https://openalex.org/keywords/private-information-retrieval","display_name":"Private information retrieval","score":0.41305050253868103},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.25526607036590576},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11898738145828247}],"concepts":[{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.8166979551315308},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7153767943382263},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4780353009700775},{"id":"https://openalex.org/C42747912","wikidata":"https://www.wikidata.org/wiki/Q1048447","display_name":"Multiplicative function","level":2,"score":0.43705302476882935},{"id":"https://openalex.org/C99221444","wikidata":"https://www.wikidata.org/wiki/Q1532069","display_name":"Private information retrieval","level":2,"score":0.41305050253868103},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.25526607036590576},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11898738145828247},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/itw46852.2021.9457647","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itw46852.2021.9457647","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Information Theory Workshop (ITW)","raw_type":"proceedings-article"},{"id":"pmh:oai:e-archivo.uc3m.es:10016/33513","is_oa":false,"landing_page_url":"http://hdl.handle.net/10016/33513","pdf_url":null,"source":{"id":"https://openalex.org/S4306400817","display_name":"e-Archivo (Carlos III University of Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I50357001","host_organization_name":"Universidad Carlos III de Madrid","host_organization_lineage":["https://openalex.org/I50357001"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334678","display_name":"European Research Council","ror":"https://ror.org/0472cxd90"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W2079618300","https://openalex.org/W2106248279","https://openalex.org/W2527594325","https://openalex.org/W2547052808","https://openalex.org/W2964251464","https://openalex.org/W2970675090","https://openalex.org/W2971476613","https://openalex.org/W2995264841","https://openalex.org/W3015500082","https://openalex.org/W3015789014","https://openalex.org/W3097559166","https://openalex.org/W3098373284","https://openalex.org/W3103610239","https://openalex.org/W3106164725","https://openalex.org/W3121192967","https://openalex.org/W3124990156","https://openalex.org/W4211095318","https://openalex.org/W6767434219","https://openalex.org/W6771929184","https://openalex.org/W6781659429","https://openalex.org/W6788529656"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W4318195686","https://openalex.org/W2975999359","https://openalex.org/W3119693376","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2796561647","https://openalex.org/W4396701345","https://openalex.org/W4280497496"],"abstract_inverted_index":{"We":[0,41,86],"consider":[1],"the":[2,75,79,121],"demand-private":[3,20,91],"coded":[4,128],"caching":[5,129],"problem":[6],"in":[7],"a":[8,19,32,44,69,90,103],"noiseless":[9],"broadcast":[10],"network.":[11],"It":[12],"is":[13,64],"known":[14,105],"from":[15,31,74,102],"past":[16],"works":[17],"that":[18,46,89],"scheme":[21,34,45,63,92,107],"for":[22,35,77,93,108,125],"N":[23,36,94,109,132],"files":[24,37,95,110],"and":[25,38,96,111],"K":[26,83,97,114,134],"users":[27,98],"can":[28,99],"be":[29,67,100],"obtained":[30,101],"non-private":[33,106],"NK":[39,112],"users.":[40,117],"first":[42],"propose":[43],"improves":[47],"on":[48],"this":[49,62],"idea":[50],"by":[51],"removing":[52],"some":[53],"redundant":[54],"transmissions.":[55],"The":[56],"memory-":[57],"rate":[58],"trade-off":[59,124],"achieved":[60],"using":[61],"shown":[65],"to":[66],"within":[68],"multiplicative":[70],"factor":[71],"of":[72],"3":[73],"optimal":[76],"all":[78],"memory":[80],"regimes":[81],"when":[82],"<":[84],"N.":[85],"further":[87],"show":[88],"particular":[104],"\u2212":[113],"+":[115],"1":[116],"Finally,":[118],"we":[119],"give":[120],"exact":[122],"memory-rate":[123],"demand-":[126],"private":[127],"problems":[130],"with":[131],">":[133],"=":[135],"2.":[136]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}