{"id":"https://openalex.org/W3126772816","doi":"https://doi.org/10.1109/tit.2024.3355416","title":"Pliable Index Coding via Conflict-Free Colorings of Hypergraphs","display_name":"Pliable Index Coding via Conflict-Free Colorings of Hypergraphs","publication_year":2024,"publication_date":"2024-01-18","ids":{"openalex":"https://openalex.org/W3126772816","doi":"https://doi.org/10.1109/tit.2024.3355416","mag":"3126772816"},"language":"en","primary_location":{"id":"doi:10.1109/tit.2024.3355416","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2024.3355416","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Information Theory","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/A5001685956","display_name":"Prasad Krishnan","orcid":"https://orcid.org/0000-0001-9182-6278"},"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":["Signal Processing and Communications Research Center, International Institute of Information Technology Hyderabad, Hyderabad, India"],"raw_orcid":"https://orcid.org/0000-0001-9182-6278","affiliations":[{"raw_affiliation_string":"Signal Processing and Communications Research Center, International Institute of Information Technology Hyderabad, Hyderabad, India","institution_ids":["https://openalex.org/I64189192"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076736694","display_name":"Rogers Mathew","orcid":"https://orcid.org/0000-0003-4536-1136"},"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":"Rogers Mathew","raw_affiliation_strings":["Department of Computer Science and Engineering, Indian Institute of Technology Hyderabad, Hyderabad, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Indian Institute of Technology Hyderabad, Hyderabad, India","institution_ids":["https://openalex.org/I65181880"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067577293","display_name":"Subrahmanyam Kalyanasundaram","orcid":"https://orcid.org/0000-0001-9094-3368"},"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":"Subrahmanyam Kalyanasundaram","raw_affiliation_strings":["Department of Computer Science and Engineering, Indian Institute of Technology Hyderabad, Hyderabad, India"],"raw_orcid":"https://orcid.org/0000-0001-9094-3368","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Indian Institute of Technology Hyderabad, Hyderabad, India","institution_ids":["https://openalex.org/I65181880"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.6123,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.8233114,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"70","issue":"6","first_page":"3903","last_page":"3921"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9973000288009644,"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":0.9973000288009644,"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/T11797","display_name":"graph theory and CDMA systems","score":0.979200005531311,"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"}},{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9740999937057495,"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/hypergraph","display_name":"Hypergraph","score":0.7836780548095703},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6380035281181335},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5249887704849243},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4581228494644165},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.42650866508483887},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.38334977626800537},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.38330715894699097},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12931129336357117},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.11005640029907227}],"concepts":[{"id":"https://openalex.org/C2781221856","wikidata":"https://www.wikidata.org/wiki/Q840247","display_name":"Hypergraph","level":2,"score":0.7836780548095703},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6380035281181335},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5249887704849243},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4581228494644165},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.42650866508483887},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38334977626800537},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.38330715894699097},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12931129336357117},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.11005640029907227}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tit.2024.3355416","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2024.3355416","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Information Theory","raw_type":"journal-article"},{"id":"pmh:oai:raiith.iith.ac.in:9260","is_oa":false,"landing_page_url":"http://raiith.iith.ac.in/9260/1/Pliable_Index_Coding_via_Conflict-Free_Colorings_of_Hypergraphs.pdf","pdf_url":"http://raiith.iith.ac.in/9260/1/Pliable_Index_Coding_via_Conflict-Free_Colorings_of_Hypergraphs.pdf","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":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.4399999976158142,"id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G2212651618","display_name":null,"funder_award_id":"CRG/2019/005572","funder_id":"https://openalex.org/F4320334771","funder_display_name":"Science and Engineering Research Board"},{"id":"https://openalex.org/G2436763062","display_name":null,"funder_award_id":"MTR/2020/000497","funder_id":"https://openalex.org/F4320334771","funder_display_name":"Science and Engineering Research Board"},{"id":"https://openalex.org/G3750650802","display_name":null,"funder_award_id":"MTR/2017/000827","funder_id":"https://openalex.org/F4320334771","funder_display_name":"Science and Engineering Research Board"},{"id":"https://openalex.org/G3783453323","display_name":null,"funder_award_id":"CRG/2022/009400","funder_id":"https://openalex.org/F4320334771","funder_display_name":"Science and Engineering Research Board"},{"id":"https://openalex.org/G7618479683","display_name":null,"funder_award_id":"MTR/2019/000550","funder_id":"https://openalex.org/F4320334771","funder_display_name":"Science and Engineering Research Board"}],"funders":[{"id":"https://openalex.org/F4320334771","display_name":"Science and Engineering Research Board","ror":"https://ror.org/03ffdsr55"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1517642941","https://openalex.org/W1826123464","https://openalex.org/W2010213837","https://openalex.org/W2038110714","https://openalex.org/W2059613941","https://openalex.org/W2105406958","https://openalex.org/W2109693504","https://openalex.org/W2112505974","https://openalex.org/W2119116325","https://openalex.org/W2130507035","https://openalex.org/W2156584294","https://openalex.org/W2180457036","https://openalex.org/W2755701769","https://openalex.org/W2899702797","https://openalex.org/W2974580947","https://openalex.org/W2975114661","https://openalex.org/W2975714177","https://openalex.org/W2976198535","https://openalex.org/W2976563197","https://openalex.org/W2981259770","https://openalex.org/W2989813225","https://openalex.org/W3081375802","https://openalex.org/W3102966627","https://openalex.org/W3124376956","https://openalex.org/W3198654262","https://openalex.org/W4292946826","https://openalex.org/W4365813885","https://openalex.org/W6768102460"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W4376608589","https://openalex.org/W1537073411","https://openalex.org/W1948107826","https://openalex.org/W3138003926","https://openalex.org/W3094179932","https://openalex.org/W3005801850","https://openalex.org/W2950595062","https://openalex.org/W2558716804","https://openalex.org/W3111310291"],"abstract_inverted_index":{"We":[0,12,53,140],"present":[1],"a":[2,19,34,49,155],"hypergraph":[3,20,35,70],"coloring":[4],"based":[5],"approach":[6],"to":[7,41,154],"pliable":[8],"index":[9],"coding":[10],"(PICOD).":[11],"represent":[13],"the":[14,26,68,77,88,99,114,129,174,177],"given":[15],"PICOD":[16,69,79,92,110,117,178],"problem":[17],"using":[18],"consisting":[21],"ofmmessages":[22],"as":[23,30],"vertices":[24,43],"and":[25],"request-sets":[27],"of":[28,39,60,67,90,102,116,119,158,176],"thenclients":[29],"hyperedges.":[31],"Aconflict-free":[32],"coloringof":[33],"is":[36,98],"an":[37],"assignment":[38],"colors":[40],"its":[42],"so":[44],"that":[45,55,143],"each":[46],"hyperedge":[47],"contains":[48],"uniquely":[50],"colored":[51],"vertex.":[52],"show":[54,87,113,142],"various":[56],"parameters":[57,175],"arising":[58],"out":[59],"conflict-free":[61],"colorings":[62],"(and":[63],"some":[64,125],"new":[65,73,83],"variants)":[66],"result":[71],"in":[72,138,147,173,180],"upper":[74,84],"bounds":[75],"for":[76],"optimal":[78],"length.":[80],"Using":[81],"these":[82],"bounds,":[85],"we":[86,112],"existence":[89,115,161],"single-request":[91],"schemes":[93,118],"with":[94,105,183],"lengthO(log2\u0393),":[95],"where":[96],"\u0393":[97,122],"maximum":[100],"number":[101],"hyperedges":[103],"overlapping":[104],"any":[106],"hyperedge.":[107],"For":[108],"thet-request":[109,148],"scenario,":[111],"length":[120],"max(O(log":[121],"logm),O(tlogm)),":[123],"under":[124],"mild":[126],"conditions":[127],"on":[128],"graph":[130],"parameters.":[131],"These":[132],"results":[133,162],"improve":[134],"upon":[135],"earlier":[136],"work":[137],"general.":[139],"also":[141],"our":[144],"achievable":[145],"lengths":[146],"case":[149],"are":[150,163],"asymptotically":[151],"optimal,":[152],"up":[153],"multiplicative":[156],"factor":[157],"logt.":[159],"Our":[160],"accompanied":[164],"by":[165],"randomized":[166],"constructive":[167],"algorithms,":[168],"which":[169],"have":[170],"complexity":[171],"polynomial":[172],"problem,":[179],"expectation":[181],"or":[182],"high":[184],"probability.":[185]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-08-11T07:18:39.950985","created_date":"2025-10-10T00:00:00"}