{"id":"https://openalex.org/W3209234001","doi":"https://doi.org/10.3390/e23111459","title":"Cryptography in Hierarchical Coded Caching: System Model and Cost Analysis","display_name":"Cryptography in Hierarchical Coded Caching: System Model and Cost Analysis","publication_year":2021,"publication_date":"2021-11-03","ids":{"openalex":"https://openalex.org/W3209234001","doi":"https://doi.org/10.3390/e23111459","mag":"3209234001","pmid":"https://pubmed.ncbi.nlm.nih.gov/34828157"},"language":"en","primary_location":{"id":"doi:10.3390/e23111459","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e23111459","pdf_url":"https://www.mdpi.com/1099-4300/23/11/1459/pdf?version=1635930953","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1099-4300/23/11/1459/pdf?version=1635930953","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5029096455","display_name":"Behrouz Zolfaghari","orcid":"https://orcid.org/0000-0001-6691-0988"},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]},{"id":"https://openalex.org/I79817857","display_name":"University of Guelph","ror":"https://ror.org/01r7awg59","country_code":"CA","type":"education","lineage":["https://openalex.org/I79817857"]}],"countries":["CA","IN"],"is_corresponding":false,"raw_author_name":"Behrouz Zolfaghari","raw_affiliation_strings":["CSE Department, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India","Cyber Science Lab, School of Computer Science, University of Guelph, Guelph, ON N1G 2W1, Canada"],"raw_orcid":"https://orcid.org/0000-0001-6691-0988","affiliations":[{"raw_affiliation_string":"CSE Department, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India","institution_ids":["https://openalex.org/I1317621060"]},{"raw_affiliation_string":"Cyber Science Lab, School of Computer Science, University of Guelph, Guelph, ON N1G 2W1, Canada","institution_ids":["https://openalex.org/I79817857"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101422048","display_name":"V.K. SINGH","orcid":"https://orcid.org/0000-0002-7188-3467"},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Vikrant Singh","raw_affiliation_strings":["EEE Department, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"EEE Department, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India","institution_ids":["https://openalex.org/I1317621060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031492698","display_name":"Brijesh Kumar","orcid":"https://orcid.org/0000-0001-9719-956X"},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Brijesh Kumar Rai","raw_affiliation_strings":["EEE Department, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"EEE Department, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India","institution_ids":["https://openalex.org/I1317621060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007979831","display_name":"Khodakhast Bibak","orcid":"https://orcid.org/0000-0003-3301-0232"},"institutions":[{"id":"https://openalex.org/I83328450","display_name":"Miami University","ror":"https://ror.org/05nbqxr67","country_code":"US","type":"education","lineage":["https://openalex.org/I83328450"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Khodakhast Bibak","raw_affiliation_strings":["Department of Computer Science and Software Engineering, Miami University, Oxford, OH 45056, USA"],"raw_orcid":"https://orcid.org/0000-0003-3301-0232","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Software Engineering, Miami University, Oxford, OH 45056, USA","institution_ids":["https://openalex.org/I83328450"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076066904","display_name":"Takeshi Koshiba","orcid":"https://orcid.org/0000-0001-8994-729X"},"institutions":[{"id":"https://openalex.org/I150744194","display_name":"Waseda University","ror":"https://ror.org/00ntfnx83","country_code":"JP","type":"education","lineage":["https://openalex.org/I150744194"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeshi Koshiba","raw_affiliation_strings":["Department of Mathematics, Faculty of Education and Integrated Arts and Sciences, Waseda University, Tokyo 169-8050, Japan"],"raw_orcid":"https://orcid.org/0000-0001-8994-729X","affiliations":[{"raw_affiliation_string":"Department of Mathematics, Faculty of Education and Integrated Arts and Sciences, Waseda University, Tokyo 169-8050, Japan","institution_ids":["https://openalex.org/I150744194"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5007979831"],"corresponding_institution_ids":["https://openalex.org/I83328450"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2165},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2165},"fwci":1.2817,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.81625411,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"23","issue":"11","first_page":"1459","last_page":"1459"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998999834060669,"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":0.9998999834060669,"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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9926000237464905,"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":0.9843999743461609,"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":0.8537799119949341},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7416790723800659},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.6824718713760376},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5282598733901978},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5139705538749695},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.49540793895721436},{"id":"https://openalex.org/keywords/multiplicative-function","display_name":"Multiplicative function","score":0.48277416825294495},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.4462166130542755},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4280664622783661},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3305944800376892},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.2540075182914734},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.20431259274482727},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.16828155517578125},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12251785397529602}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8537799119949341},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7416790723800659},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.6824718713760376},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5282598733901978},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5139705538749695},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.49540793895721436},{"id":"https://openalex.org/C42747912","wikidata":"https://www.wikidata.org/wiki/Q1048447","display_name":"Multiplicative function","level":2,"score":0.48277416825294495},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.4462166130542755},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4280664622783661},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3305944800376892},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2540075182914734},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.20431259274482727},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.16828155517578125},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12251785397529602},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","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}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/e23111459","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e23111459","pdf_url":"https://www.mdpi.com/1099-4300/23/11/1459/pdf?version=1635930953","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},{"id":"pmid:34828157","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34828157","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:73aa16272a884df0b7ffbfd4b7023416","is_oa":true,"landing_page_url":"https://doaj.org/article/73aa16272a884df0b7ffbfd4b7023416","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy, Vol 23, Iss 11, p 1459 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1099-4300/23/11/1459/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/e23111459","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy; Volume 23; Issue 11; Pages: 1459","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8620505","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8620505","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/e23111459","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e23111459","pdf_url":"https://www.mdpi.com/1099-4300/23/11/1459/pdf?version=1635930953","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3209234001.pdf"},"referenced_works_count":49,"referenced_works":["https://openalex.org/W1659056652","https://openalex.org/W1669202830","https://openalex.org/W1966660858","https://openalex.org/W1990395546","https://openalex.org/W2079618300","https://openalex.org/W2106248279","https://openalex.org/W2109394932","https://openalex.org/W2195298275","https://openalex.org/W2412208352","https://openalex.org/W2579320238","https://openalex.org/W2591378445","https://openalex.org/W2598021007","https://openalex.org/W2598796908","https://openalex.org/W2740138032","https://openalex.org/W2753079015","https://openalex.org/W2765687053","https://openalex.org/W2777034101","https://openalex.org/W2783996209","https://openalex.org/W2793592718","https://openalex.org/W2795209590","https://openalex.org/W2802870154","https://openalex.org/W2803395884","https://openalex.org/W2807110653","https://openalex.org/W2885835943","https://openalex.org/W2886956998","https://openalex.org/W2899735549","https://openalex.org/W2915270592","https://openalex.org/W2915582513","https://openalex.org/W2917640493","https://openalex.org/W2922715223","https://openalex.org/W2946374055","https://openalex.org/W2947013448","https://openalex.org/W2952955989","https://openalex.org/W2962724786","https://openalex.org/W2962828604","https://openalex.org/W2962880523","https://openalex.org/W2962915035","https://openalex.org/W2963358620","https://openalex.org/W2963450305","https://openalex.org/W2963618183","https://openalex.org/W2963664701","https://openalex.org/W2963665544","https://openalex.org/W2963720294","https://openalex.org/W2963952757","https://openalex.org/W2964010713","https://openalex.org/W3098373284","https://openalex.org/W6659978517","https://openalex.org/W6674053556","https://openalex.org/W6687921912"],"related_works":["https://openalex.org/W4318195686","https://openalex.org/W2975999359","https://openalex.org/W4287173569","https://openalex.org/W2796561647","https://openalex.org/W4280497496","https://openalex.org/W4313513739","https://openalex.org/W3119693376","https://openalex.org/W3182422617","https://openalex.org/W2244208494","https://openalex.org/W4313557239"],"abstract_inverted_index":{"The":[0,58],"idea":[1,59],"behind":[2],"network":[3,8,102],"caching":[4,48,62,97],"is":[5,63,169],"to":[6,18,26,51,83,118,128],"reduce":[7,53],"traffic":[9],"during":[10,21,44],"peak":[11,45,55],"hours":[12],"via":[13,163],"transmitting":[14,88],"frequently-requested":[15],"content":[16,68,91],"items":[17],"end":[19],"users":[20,127],"off-peak":[22],"hours.":[23,46],"However,":[24],"due":[25],"limited":[27],"cache":[28],"sizes":[29],"and":[30,121,147,161,184],"unpredictable":[31],"access":[32],"patterns,":[33],"this":[34],"might":[35],"not":[36],"totally":[37],"eliminate":[38],"the":[39,54,81,116,119,126,129,133,165,172,176,188],"need":[40],"for":[41],"data":[42],"transmission":[43],"Coded":[47],"was":[49],"introduced":[50],"further":[52],"hour":[56],"traffic.":[57],"of":[60,105,135],"coded":[61,67,96],"based":[64],"on":[65,132],"sending":[66],"which":[69,124],"can":[70],"be":[71],"decoded":[72],"in":[73,175],"different":[74,77],"ways":[75],"by":[76,87],"users.":[78],"This":[79],"allows":[80],"server":[82,117],"service":[84],"multiple":[85],"requests":[86],"a":[89,100,106,109,112,149,181],"single":[90,107,110],"item.":[92],"Research":[93],"works":[94],"regarding":[95],"traditionally":[98],"adopt":[99],"simple":[101],"topology":[103],"consisting":[104],"server,":[108],"hub,":[111,120],"shared":[113],"link":[114],"connecting":[115],"private":[122],"links":[123],"connect":[125],"hub.":[130],"Building":[131],"results":[134],"Sengupta":[136],"et":[137],"al.":[138],"(IEEE":[139],"Trans.":[140],"Inf.":[141],"Forensics":[142],"Secur.,":[143],"2015),":[144],"we":[145],"propose":[146],"evaluate":[148],"yet":[150],"more":[151],"complex":[152],"system":[153],"model":[154,178],"that":[155,171],"takes":[156],"into":[157],"consideration":[158],"both":[159],"throughput":[160],"security":[162],"combining":[164],"mentioned":[166],"ideas.":[167],"It":[168],"demonstrated":[170],"achievable":[173],"rates":[174],"proposed":[177],"are":[179],"within":[180],"constant":[182],"multiplicative":[183],"additive":[185],"gap":[186],"with":[187],"minimum":[189],"secure":[190],"rates.":[191]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4}],"updated_date":"2026-05-22T06:13:13.366637","created_date":"2025-10-10T00:00:00"}
