{"id":"https://openalex.org/W4415367352","doi":"https://doi.org/10.1109/isit63088.2025.11195435","title":"Optimal Communication-Computation Trade-Off in Hierarchical Gradient Coding","display_name":"Optimal Communication-Computation Trade-Off in Hierarchical Gradient Coding","publication_year":2025,"publication_date":"2025-06-22","ids":{"openalex":"https://openalex.org/W4415367352","doi":"https://doi.org/10.1109/isit63088.2025.11195435"},"language":null,"primary_location":{"id":"doi:10.1109/isit63088.2025.11195435","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit63088.2025.11195435","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Symposium on Information Theory (ISIT)","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/A5052543660","display_name":"Ali Gholami","orcid":"https://orcid.org/0000-0003-4480-7984"},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Ali Gholami","raw_affiliation_strings":["Technische Universit&#x00E4;t Berlin,Berlin,Germany,10587"],"affiliations":[{"raw_affiliation_string":"Technische Universit&#x00E4;t Berlin,Berlin,Germany,10587","institution_ids":["https://openalex.org/I4577782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006995988","display_name":"Tayyebeh Jahani-Nezhad","orcid":"https://orcid.org/0000-0001-9198-660X"},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Tayyebeh Jahani-Nezhad","raw_affiliation_strings":["Technische Universit&#x00E4;t Berlin,Berlin,Germany,10587"],"affiliations":[{"raw_affiliation_string":"Technische Universit&#x00E4;t Berlin,Berlin,Germany,10587","institution_ids":["https://openalex.org/I4577782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042862785","display_name":"Kai Wan","orcid":"https://orcid.org/0000-0003-4671-3287"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Wan","raw_affiliation_strings":["Huazhong University of Science and Technology,China"],"affiliations":[{"raw_affiliation_string":"Huazhong University of Science and Technology,China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058252389","display_name":"Giuseppe Caire","orcid":"https://orcid.org/0000-0002-7749-1333"},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Giuseppe Caire","raw_affiliation_strings":["Technische Universit&#x00E4;t Berlin,Berlin,Germany,10587"],"affiliations":[{"raw_affiliation_string":"Technische Universit&#x00E4;t Berlin,Berlin,Germany,10587","institution_ids":["https://openalex.org/I4577782"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5052543660"],"corresponding_institution_ids":["https://openalex.org/I4577782"],"apc_list":null,"apc_paid":null,"fwci":1.6388,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.86894983,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9700999855995178,"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"}},"topics":[{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9700999855995178,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9397000074386597,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.9248999953269958,"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/bottleneck","display_name":"Bottleneck","score":0.7117000222206116},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5953999757766724},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.5497000217437744},{"id":"https://openalex.org/keywords/linear-network-coding","display_name":"Linear network coding","score":0.46050000190734863},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.40849998593330383},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.3968999981880188},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.3517000079154968}],"concepts":[{"id":"https://openalex.org/C2780513914","wikidata":"https://www.wikidata.org/wiki/Q18210350","display_name":"Bottleneck","level":2,"score":0.7117000222206116},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6324999928474426},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5953999757766724},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.573199987411499},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5497000217437744},{"id":"https://openalex.org/C138293262","wikidata":"https://www.wikidata.org/wiki/Q1089578","display_name":"Linear network coding","level":3,"score":0.46050000190734863},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.40849998593330383},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.3968999981880188},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.3517000079154968},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.3449999988079071},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.3215999901294708},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.29760000109672546},{"id":"https://openalex.org/C166366890","wikidata":"https://www.wikidata.org/wiki/Q602136","display_name":"Channel code","level":3,"score":0.2953999936580658},{"id":"https://openalex.org/C115680565","wikidata":"https://www.wikidata.org/wiki/Q5977448","display_name":"Gradient method","level":2,"score":0.2851000130176544},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.28459998965263367},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2833999991416931},{"id":"https://openalex.org/C153258448","wikidata":"https://www.wikidata.org/wiki/Q1199743","display_name":"Gradient descent","level":3,"score":0.27959999442100525},{"id":"https://openalex.org/C135554599","wikidata":"https://www.wikidata.org/wiki/Q3682206","display_name":"Multiple description coding","level":3,"score":0.27489998936653137},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2590000033378601},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.25380000472068787},{"id":"https://openalex.org/C138827492","wikidata":"https://www.wikidata.org/wiki/Q6661985","display_name":"Data processing","level":2,"score":0.2531000077724457}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit63088.2025.11195435","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit63088.2025.11195435","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1982063824","https://openalex.org/W2142535891","https://openalex.org/W2913662728","https://openalex.org/W2977108067","https://openalex.org/W3012125688","https://openalex.org/W3081034653","https://openalex.org/W3167719345","https://openalex.org/W3189296699","https://openalex.org/W3193882806","https://openalex.org/W3212424730","https://openalex.org/W4252654521","https://openalex.org/W4386075194","https://openalex.org/W4399939556","https://openalex.org/W4402156004","https://openalex.org/W4415367352"],"related_works":[],"abstract_inverted_index":{"In":[0,41],"this":[1,42],"paper,":[2,43],"we":[3],"study":[4],"gradient":[5,38,67],"coding":[6,39,82],"in":[7,36,104],"a":[8,33,80],"hierarchical":[9],"setting,":[10],"where":[11],"there":[12],"are":[13],"intermediate":[14,45],"nodes":[15,93],"between":[16],"the":[17,20,25,29,44,52,59,62,65,74,102,105,113,116,125],"server":[18,63],"and":[19,57,91,97,115],"workers.":[21,98],"This":[22],"structure":[23],"reduces":[24],"bandwidth":[26],"requirements":[27],"at":[28],"server,":[30],"which":[31],"is":[32,72],"significant":[34],"bottleneck":[35],"conventional":[37],"systems.":[40],"nodes,":[46],"referred":[47],"to":[48,61,110,124],"as":[49],"relays,":[50],"process":[51],"data":[53,103],"received":[54],"from":[55],"workers":[56],"send":[58],"results":[60],"for":[64],"final":[66],"computation.":[68],"Our":[69],"main":[70],"contribution":[71],"deriving":[73],"optimal":[75,121],"communication-computation":[76],"trade-off":[77],"by":[78,85],"designing":[79],"linear":[81],"scheme":[83],"inspired":[84],"coded":[86],"computing":[87],"techniques,":[88],"considering":[89],"straggling":[90],"adversarial":[92],"among":[94],"both":[95,112],"relays":[96,106],"The":[99],"processing":[100],"of":[101],"makes":[107],"it":[108],"possible":[109],"achieve":[111],"relay-to-server":[114],"worker-to-relay":[117],"communication":[118],"loads":[119],"simultaneously":[120],"with":[122],"regard":[123],"computation":[126],"load.":[127]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-10-21T00:00:00"}
