{"id":"https://openalex.org/W3039245001","doi":"https://doi.org/10.1109/tcomm.2020.3005712","title":"Improved Constructions of Coded Caching Schemes for Combination Networks","display_name":"Improved Constructions of Coded Caching Schemes for Combination Networks","publication_year":2020,"publication_date":"2020-06-29","ids":{"openalex":"https://openalex.org/W3039245001","doi":"https://doi.org/10.1109/tcomm.2020.3005712","mag":"3039245001"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2020.3005712","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2020.3005712","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","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/A5047438727","display_name":"Minquan Cheng","orcid":"https://orcid.org/0000-0003-0360-0610"},"institutions":[{"id":"https://openalex.org/I29739308","display_name":"Guangxi Normal University","ror":"https://ror.org/02frt9q65","country_code":"CN","type":"education","lineage":["https://openalex.org/I29739308"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minquan Cheng","raw_affiliation_strings":["Guangxi Key Lab of Multi-Source Information Mining and Security, Guangxi Normal University, Guilin, China"],"raw_orcid":"https://orcid.org/0000-0003-0360-0610","affiliations":[{"raw_affiliation_string":"Guangxi Key Lab of Multi-Source Information Mining and Security, Guangxi Normal University, Guilin, China","institution_ids":["https://openalex.org/I29739308"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yiqun Li","orcid":"https://orcid.org/0000-0002-2963-9946"},"institutions":[{"id":"https://openalex.org/I29739308","display_name":"Guangxi Normal University","ror":"https://ror.org/02frt9q65","country_code":"CN","type":"education","lineage":["https://openalex.org/I29739308"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiqun Li","raw_affiliation_strings":["Guangxi Key Lab of Multi-Source Information Mining and Security, Guangxi Normal University, Guilin, China"],"raw_orcid":"https://orcid.org/0000-0002-2963-9946","affiliations":[{"raw_affiliation_string":"Guangxi Key Lab of Multi-Source Information Mining and Security, Guangxi Normal University, Guilin, China","institution_ids":["https://openalex.org/I29739308"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023363038","display_name":"Xi Zhong","orcid":"https://orcid.org/0000-0002-7029-2024"},"institutions":[{"id":"https://openalex.org/I29739308","display_name":"Guangxi Normal University","ror":"https://ror.org/02frt9q65","country_code":"CN","type":"education","lineage":["https://openalex.org/I29739308"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xi Zhong","raw_affiliation_strings":["Guangxi Key Lab of Multi-Source Information Mining and Security, Guangxi Normal University, Guilin, China"],"raw_orcid":"https://orcid.org/0000-0002-7029-2024","affiliations":[{"raw_affiliation_string":"Guangxi Key Lab of Multi-Source Information Mining and Security, Guangxi Normal University, Guilin, China","institution_ids":["https://openalex.org/I29739308"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081822939","display_name":"Ruizhong Wei","orcid":"https://orcid.org/0000-0003-2070-9773"},"institutions":[{"id":"https://openalex.org/I72541430","display_name":"Lakehead University","ror":"https://ror.org/023p7mg82","country_code":"CA","type":"education","lineage":["https://openalex.org/I72541430"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ruizhong Wei","raw_affiliation_strings":["Lakehead University, Thunder Bay, ON, Canada"],"raw_orcid":"https://orcid.org/0000-0003-2070-9773","affiliations":[{"raw_affiliation_string":"Lakehead University, Thunder Bay, ON, Canada","institution_ids":["https://openalex.org/I72541430"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0733,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.79249203,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"68","issue":"10","first_page":"5965","last_page":"5975"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","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/T11478","display_name":"Caching and Content Delivery","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9987000226974487,"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":0.9606999754905701,"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":0.6869080662727356},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5869587659835815},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.47565504908561707},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4755513370037079},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.44188445806503296},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.4328809976577759},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.37201759219169617},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.357496976852417},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.33070167899131775},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25621670484542847},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.1837368607521057},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12031733989715576}],"concepts":[{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.6869080662727356},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5869587659835815},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.47565504908561707},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4755513370037079},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.44188445806503296},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.4328809976577759},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.37201759219169617},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.357496976852417},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.33070167899131775},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25621670484542847},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.1837368607521057},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12031733989715576},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2020.3005712","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2020.3005712","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1544602402","https://openalex.org/W1606035500","https://openalex.org/W1966660858","https://openalex.org/W2079618300","https://openalex.org/W2106248279","https://openalex.org/W2131980605","https://openalex.org/W2169897889","https://openalex.org/W2292014421","https://openalex.org/W2517585112","https://openalex.org/W2539811847","https://openalex.org/W2598021007","https://openalex.org/W2744087308","https://openalex.org/W2788985312","https://openalex.org/W2793888572","https://openalex.org/W2913330947","https://openalex.org/W2962734835","https://openalex.org/W2962757087","https://openalex.org/W2962764213","https://openalex.org/W2963002742","https://openalex.org/W2963098339","https://openalex.org/W2963178642","https://openalex.org/W2963243270","https://openalex.org/W2963432935","https://openalex.org/W2963720294","https://openalex.org/W2963877432","https://openalex.org/W2997883470","https://openalex.org/W3014585419","https://openalex.org/W3098373284","https://openalex.org/W3098870865","https://openalex.org/W6748634250","https://openalex.org/W6749288094","https://openalex.org/W6775646026"],"related_works":["https://openalex.org/W2012531322","https://openalex.org/W2152099439","https://openalex.org/W1975289146","https://openalex.org/W1984163603","https://openalex.org/W2785900585","https://openalex.org/W2353730437","https://openalex.org/W2490303674","https://openalex.org/W2609066826","https://openalex.org/W2810752900","https://openalex.org/W2105887828"],"abstract_inverted_index":{"In":[0,58],"an":[1],"(H,":[2],"r)":[3],"combination":[4,56,70],"network,":[5],"a":[6,27,51,61,67,74],"single":[7],"content":[8],"library":[9],"is":[10,76],"serving":[11],"for":[12,55,69,99],"(rH)users":[13],"through":[14],"H":[15,103,109],"relays,":[16],"where":[17],"each":[18],"user":[19],"has":[20,89],"local":[21],"cache":[22],"memories":[23],"and":[24,35,104,110],"simultaneously":[25],"accesses":[26],"subset":[28],"of":[29,115,139],"r":[30,105,107],"relays":[31],"on":[32,73,79,95,132],"orthogonal":[33],"non-interfering":[34],"error-free":[36],"channels.":[37],"The":[38],"combinatorial":[39],"placement":[40],"delivery":[41],"array":[42],"(CPDA":[43],"in":[44],"short)":[45],"can":[46],"be":[47],"used":[48,64],"to":[49,65],"realize":[50,66],"coded":[52],"caching":[53],"scheme":[54,68,84],"networks.":[57],"this":[59],"paper,":[60],"new":[62,113],"algorithm":[63,88],"networks":[71],"based":[72],"CPDA":[75],"proposed.":[77],"Based":[78],"the":[80,83,119,123,133],"fixed":[81],"CPDA,":[82],"realized":[85,125],"by":[86,126],"our":[87,127],"smaller":[90],"subpacketization.":[91],"Then":[92],"we":[93],"focus":[94],"directly":[96],"constructing":[97],"CPDAs":[98,128],"any":[100],"positive":[101],"integers":[102],"with":[106,118,136],"<;":[108],"obtain":[111],"two":[112],"classes":[114],"CPDAs.":[116],"Compared":[117],"previously":[120],"known":[121],"CPDAs,":[122],"schemes":[124],"have":[129],"significant":[130],"advantages":[131],"subpacketization":[134],"levels":[135],"some":[137],"costing":[138],"transmission":[140],"rates.":[141]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}
