{"id":"https://openalex.org/W2938493089","doi":"https://doi.org/10.1109/ncc48643.2020.9055994","title":"Index Codes with Minimum Locality for Three Receiver Unicast Problems","display_name":"Index Codes with Minimum Locality for Three Receiver Unicast Problems","publication_year":2020,"publication_date":"2020-02-01","ids":{"openalex":"https://openalex.org/W2938493089","doi":"https://doi.org/10.1109/ncc48643.2020.9055994","mag":"2938493089"},"language":"en","primary_location":{"id":"doi:10.1109/ncc48643.2020.9055994","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ncc48643.2020.9055994","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 National Conference on Communications (NCC)","raw_type":"proceedings-article"},"type":"paratext","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1904.04753","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000305417","display_name":"Smiju Kodamthuruthil Joy","orcid":"https://orcid.org/0000-0002-8661-4710"},"institutions":[{"id":"https://openalex.org/I65181880","display_name":"Indian Institute of Technology Hyderabad","ror":"https://ror.org/01j4v3x97","country_code":"IN","type":"education","lineage":["https://openalex.org/I65181880"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Smiju Kodamthuruthil Joy","raw_affiliation_strings":["Indian Institute of Technology,Department of Electrical Engineering,Hyderabad, Sangareddy,India,502 285"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology,Department of Electrical Engineering,Hyderabad, Sangareddy,India,502 285","institution_ids":["https://openalex.org/I65181880"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053548670","display_name":"Lakshmi Prasad Natarajan","orcid":"https://orcid.org/0000-0003-1552-5240"},"institutions":[{"id":"https://openalex.org/I65181880","display_name":"Indian Institute of Technology Hyderabad","ror":"https://ror.org/01j4v3x97","country_code":"IN","type":"education","lineage":["https://openalex.org/I65181880"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Lakshmi Natarajan","raw_affiliation_strings":["Indian Institute of Technology,Department of Electrical Engineering,Hyderabad, Sangareddy,India,502 285","[Indian Institute of Technology, Hyderabad]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology,Department of Electrical Engineering,Hyderabad, Sangareddy,India,502 285","institution_ids":["https://openalex.org/I65181880"]},{"raw_affiliation_string":"[Indian Institute of Technology, Hyderabad]","institution_ids":["https://openalex.org/I65181880"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I65181880"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":true,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998000264167786,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998000264167786,"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/T11478","display_name":"Caching and Content Delivery","score":0.9811000227928162,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9477999806404114,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/unicast","display_name":"Unicast","score":0.8214195966720581},{"id":"https://openalex.org/keywords/code-word","display_name":"Code word","score":0.7949352264404297},{"id":"https://openalex.org/keywords/converse","display_name":"Converse","score":0.6958917379379272},{"id":"https://openalex.org/keywords/locality","display_name":"Locality","score":0.6837218999862671},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6019699573516846},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.4573991894721985},{"id":"https://openalex.org/keywords/communication-source","display_name":"Communication source","score":0.45358991622924805},{"id":"https://openalex.org/keywords/linear-network-coding","display_name":"Linear network coding","score":0.42097824811935425},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4020176827907562},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3468700647354126},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3388080298900604},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2880675792694092},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.27865129709243774},{"id":"https://openalex.org/keywords/multicast","display_name":"Multicast","score":0.1711539626121521},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.13636067509651184}],"concepts":[{"id":"https://openalex.org/C11704745","wikidata":"https://www.wikidata.org/wiki/Q918337","display_name":"Unicast","level":3,"score":0.8214195966720581},{"id":"https://openalex.org/C153207627","wikidata":"https://www.wikidata.org/wiki/Q863873","display_name":"Code word","level":3,"score":0.7949352264404297},{"id":"https://openalex.org/C2776809875","wikidata":"https://www.wikidata.org/wiki/Q1375963","display_name":"Converse","level":2,"score":0.6958917379379272},{"id":"https://openalex.org/C2779808786","wikidata":"https://www.wikidata.org/wiki/Q6664603","display_name":"Locality","level":2,"score":0.6837218999862671},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6019699573516846},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.4573991894721985},{"id":"https://openalex.org/C198104137","wikidata":"https://www.wikidata.org/wiki/Q974688","display_name":"Communication source","level":2,"score":0.45358991622924805},{"id":"https://openalex.org/C138293262","wikidata":"https://www.wikidata.org/wiki/Q1089578","display_name":"Linear network coding","level":3,"score":0.42097824811935425},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4020176827907562},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3468700647354126},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3388080298900604},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2880675792694092},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.27865129709243774},{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.1711539626121521},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13636067509651184},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/ncc48643.2020.9055994","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ncc48643.2020.9055994","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 National Conference on Communications (NCC)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:1904.04753","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1904.04753","pdf_url":"https://arxiv.org/pdf/1904.04753","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":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":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},{"id":"mag:2938493089","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1904.04753","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":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":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"pmh:oai:raiith.iith.ac.in:8141","is_oa":false,"landing_page_url":"http://raiith.iith.ac.in/8141/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400292","display_name":"Research Archive of Indian Institute of Technology Hyderabad (Indian Institute of Technology Hyderabad)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I65181880","host_organization_name":"Indian Institute of Technology Hyderabad","host_organization_lineage":["https://openalex.org/I65181880"],"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 or Workshop Item"},{"id":"doi:10.48550/arxiv.1904.04753","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1904.04753","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":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":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1904.04753","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1904.04753","pdf_url":"https://arxiv.org/pdf/1904.04753","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":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":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.6700000166893005,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2938493089.pdf"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W1512160561","https://openalex.org/W1966169258","https://openalex.org/W1973199140","https://openalex.org/W1992260716","https://openalex.org/W2038110714","https://openalex.org/W2072475112","https://openalex.org/W2106248279","https://openalex.org/W2123051422","https://openalex.org/W2130507035","https://openalex.org/W2171844485","https://openalex.org/W2262362834","https://openalex.org/W2268702383","https://openalex.org/W2557082617","https://openalex.org/W2962985178","https://openalex.org/W2963885851","https://openalex.org/W2964029623","https://openalex.org/W2975129836","https://openalex.org/W2975978029","https://openalex.org/W2992931107","https://openalex.org/W6754557119"],"related_works":["https://openalex.org/W3015947138","https://openalex.org/W3048924818","https://openalex.org/W2975978029","https://openalex.org/W2783371434","https://openalex.org/W2963028536","https://openalex.org/W1512160561","https://openalex.org/W1865676407","https://openalex.org/W2949310572","https://openalex.org/W2248651151","https://openalex.org/W2612282921","https://openalex.org/W2950486368","https://openalex.org/W2962982892","https://openalex.org/W1607883836","https://openalex.org/W2910515237","https://openalex.org/W2962984539","https://openalex.org/W2036900575","https://openalex.org/W2759778082","https://openalex.org/W2963382713","https://openalex.org/W2962811933","https://openalex.org/W3100504672"],"abstract_inverted_index":{"An":[0],"index":[1,42,62,68,97,162,203],"code":[2,69,163],"for":[3,119,136],"a":[4,23,120,137,172,240],"broadcast":[5,52,112,130,196],"channel":[6],"with":[7,142,234],"receiver":[8,16,56,82,228],"side":[9,223],"information":[10,224],"is":[11,70,116,150,169,177,186,206,210],"locally":[12],"decodable":[13],"if":[14],"every":[15],"can":[17],"decode":[18],"its":[19],"demand":[20],"using":[21],"only":[22,101,118],"subset":[24],"of":[25,34,66,73,76,139,183,221,226],"the":[26,31,36,45,55,71,74,84,90,108,128,148,153,222],"codeword":[27,77],"symbols":[28,78,87],"transmitted":[29],"by":[30,80,89,192],"sender":[32],"instead":[33],"observing":[35],"entire":[37],"codeword.":[38],"Local":[39],"decodability":[40],"in":[41,50,61,96,187],"coding":[43,98,204],"improves":[44,59],"error":[46],"performance":[47],"when":[48,147,208],"used":[49,79],"wireless":[51],"channels,":[53],"reduces":[54],"complexity":[57],"and":[58,104,107,114,198,231],"privacy":[60],"coding.":[63],"The":[64,161,180],"locality":[65,95,115,149,194,209],"an":[67],"ratio":[72],"number":[75,85],"each":[81],"to":[83,152,159,195,212,237],"message":[86],"demanded":[88],"receiver.":[91],"Prior":[92],"work":[93],"on":[94,171],"have":[99],"considered":[100],"single":[102],"unicast":[103,140,229],"single-uniprior":[105],"problems,":[106,230],"optimal":[109,129,167,207],"trade-off":[110],"between":[111],"rate":[113,131,168],"known":[117,202],"few":[121],"cases.":[122],"In":[123],"this":[124,166,184,201,215],"paper":[125,185],"we":[126,216],"identify":[127],"(including":[132],"among":[133],"non-linear":[134],"codes)":[135],"class":[138],"problems":[141],"three":[143,227],"or":[144],"fewer":[145],"receivers":[146],"equal":[151,158,211],"minimum":[154],"possible":[155],"value,":[156],"i.e.,":[157],"one.":[160,213],"that":[164,200],"achieves":[165],"based":[170],"clique":[173],"covering":[174],"technique":[175],"which":[176],"well":[178],"known.":[179],"main":[181],"contribution":[182],"providing":[188],"tight":[189],"converse":[190],"results":[191],"relating":[193],"rate,":[197],"showing":[199],"scheme":[205],"Towards":[214],"derive":[217],"several":[218],"structural":[219],"properties":[220],"graphs":[225],"combine":[232],"them":[233],"information-theoretic":[235],"arguments":[236],"arrive":[238],"at":[239],"converse.":[241]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}