{"id":"https://openalex.org/W7161835583","doi":"https://doi.org/10.1109/tccn.2026.3694892","title":"FedSTGAT: Federated Spatio-Temporal Graph Attention Network for Root Alarm Identification in Optical Transport Network","display_name":"FedSTGAT: Federated Spatio-Temporal Graph Attention Network for Root Alarm Identification in Optical Transport Network","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7161835583","doi":"https://doi.org/10.1109/tccn.2026.3694892"},"language":null,"primary_location":{"id":"doi:10.1109/tccn.2026.3694892","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2026.3694892","pdf_url":null,"source":{"id":"https://openalex.org/S2484188435","display_name":"IEEE Transactions on Cognitive Communications and Networking","issn_l":"2332-7731","issn":["2332-7731","2372-2045"],"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 Cognitive Communications and Networking","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/A5110768089","display_name":"Weijie Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weijie Yang","raw_affiliation_strings":["State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing, China"],"raw_orcid":"https://orcid.org/0009-0001-7582-6873","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100439746","display_name":"Chunyu Zhang","orcid":"https://orcid.org/0000-0003-0366-3515"},"institutions":[{"id":"https://openalex.org/I92403157","display_name":"University of Science and Technology Beijing","ror":"https://ror.org/02egmk993","country_code":"CN","type":"education","lineage":["https://openalex.org/I92403157"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunyu Zhang","raw_affiliation_strings":["School of Intelligence Science and Technology, University of Science and Technology Beijing, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0003-3254-9831","affiliations":[{"raw_affiliation_string":"School of Intelligence Science and Technology, University of Science and Technology Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102017095","display_name":"Cheng Xing","orcid":"https://orcid.org/0000-0002-3782-4885"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cheng Xing","raw_affiliation_strings":["State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136589762","display_name":"Min Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Zhang","raw_affiliation_strings":["State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136549424","display_name":"Xunjie Jiang","orcid":null},"institutions":[{"id":"https://openalex.org/I6507939","display_name":"China United Network Communications Group (China)","ror":"https://ror.org/028w99c90","country_code":"CN","type":"company","lineage":["https://openalex.org/I6507939"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xunjie Jiang","raw_affiliation_strings":["China Unicom Intelligent Network Innovation Centre, China Unicom, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Unicom Intelligent Network Innovation Centre, China Unicom, Beijing, China","institution_ids":["https://openalex.org/I6507939"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102369791","display_name":"Yanlin Fan","orcid":null},"institutions":[{"id":"https://openalex.org/I6507939","display_name":"China United Network Communications Group (China)","ror":"https://ror.org/028w99c90","country_code":"CN","type":"company","lineage":["https://openalex.org/I6507939"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanlin Fan","raw_affiliation_strings":["China Unicom Intelligent Network Innovation Centre, China Unicom, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Unicom Intelligent Network Innovation Centre, China Unicom, Beijing, China","institution_ids":["https://openalex.org/I6507939"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136580951","display_name":"Zhongbo Bi","orcid":null},"institutions":[{"id":"https://openalex.org/I6507939","display_name":"China United Network Communications Group (China)","ror":"https://ror.org/028w99c90","country_code":"CN","type":"company","lineage":["https://openalex.org/I6507939"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhongbo Bi","raw_affiliation_strings":["China Unicom Intelligent Network Innovation Centre, China Unicom, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Unicom Intelligent Network Innovation Centre, China Unicom, Beijing, China","institution_ids":["https://openalex.org/I6507939"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012023796","display_name":"Jiansheng Xiong","orcid":"https://orcid.org/0009-0006-2971-5028"},"institutions":[{"id":"https://openalex.org/I6507939","display_name":"China United Network Communications Group (China)","ror":"https://ror.org/028w99c90","country_code":"CN","type":"company","lineage":["https://openalex.org/I6507939"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiansheng Xiong","raw_affiliation_strings":["China Unicom Intelligent Network Innovation Centre, China Unicom, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Unicom Intelligent Network Innovation Centre, China Unicom, Beijing, China","institution_ids":["https://openalex.org/I6507939"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5136513366","display_name":"Danshi Wang","orcid":"https://orcid.org/0000-0001-9815-4013"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Danshi Wang","raw_affiliation_strings":["State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-9815-4013","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.62306326,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":null,"first_page":"8679","last_page":"8690"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12127","display_name":"Software System Performance and Reliability","score":0.24169999361038208,"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/T12127","display_name":"Software System Performance and Reliability","score":0.24169999361038208,"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/T10847","display_name":"Advanced Optical Network Technologies","score":0.14380000531673431,"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/T10917","display_name":"Smart Grid Security and Resilience","score":0.11180000007152557,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/identification","display_name":"Identification (biology)","score":0.6220999956130981},{"id":"https://openalex.org/keywords/optical-transport-network","display_name":"Optical Transport Network","score":0.510699987411499},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5008999705314636},{"id":"https://openalex.org/keywords/attention-network","display_name":"Attention network","score":0.4819999933242798},{"id":"https://openalex.org/keywords/alarm","display_name":"ALARM","score":0.47609999775886536},{"id":"https://openalex.org/keywords/transport-network","display_name":"Transport network","score":0.39959999918937683},{"id":"https://openalex.org/keywords/root-cause","display_name":"Root cause","score":0.33320000767707825},{"id":"https://openalex.org/keywords/root","display_name":"Root (linguistics)","score":0.32190001010894775}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8615000247955322},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6834999918937683},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.6220999956130981},{"id":"https://openalex.org/C70979049","wikidata":"https://www.wikidata.org/wiki/Q51831","display_name":"Optical Transport Network","level":5,"score":0.510699987411499},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5008999705314636},{"id":"https://openalex.org/C2993807640","wikidata":"https://www.wikidata.org/wiki/Q103709453","display_name":"Attention network","level":2,"score":0.4819999933242798},{"id":"https://openalex.org/C2779119184","wikidata":"https://www.wikidata.org/wiki/Q294350","display_name":"ALARM","level":2,"score":0.47609999775886536},{"id":"https://openalex.org/C2778711553","wikidata":"https://www.wikidata.org/wiki/Q924286","display_name":"Transport network","level":2,"score":0.39959999918937683},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3433000147342682},{"id":"https://openalex.org/C84945661","wikidata":"https://www.wikidata.org/wiki/Q7366567","display_name":"Root cause","level":2,"score":0.33320000767707825},{"id":"https://openalex.org/C171078966","wikidata":"https://www.wikidata.org/wiki/Q111029","display_name":"Root (linguistics)","level":2,"score":0.32190001010894775},{"id":"https://openalex.org/C2776836416","wikidata":"https://www.wikidata.org/wiki/Q1364844","display_name":"False alarm","level":2,"score":0.30559998750686646},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.29809999465942383},{"id":"https://openalex.org/C26840048","wikidata":"https://www.wikidata.org/wiki/Q7098880","display_name":"Optical performance monitoring","level":4,"score":0.2867000102996826},{"id":"https://openalex.org/C88230418","wikidata":"https://www.wikidata.org/wiki/Q131476","display_name":"Graph theory","level":2,"score":0.28299999237060547},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.2773999869823456},{"id":"https://openalex.org/C129404179","wikidata":"https://www.wikidata.org/wiki/Q1469765","display_name":"Optical communication","level":2,"score":0.27090001106262207},{"id":"https://openalex.org/C3020028006","wikidata":"https://www.wikidata.org/wiki/Q9158","display_name":"Electronic mail","level":2,"score":0.26350000500679016},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.25929999351501465},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.2578999996185303},{"id":"https://openalex.org/C159631557","wikidata":"https://www.wikidata.org/wiki/Q1546066","display_name":"Networking hardware","level":2,"score":0.2574000060558319},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.25699999928474426},{"id":"https://openalex.org/C48903430","wikidata":"https://www.wikidata.org/wiki/Q491370","display_name":"Graph partition","level":3,"score":0.2517000138759613}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tccn.2026.3694892","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2026.3694892","pdf_url":null,"source":{"id":"https://openalex.org/S2484188435","display_name":"IEEE Transactions on Cognitive Communications and Networking","issn_l":"2332-7731","issn":["2332-7731","2372-2045"],"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 Cognitive Communications and Networking","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G518670928","display_name":null,"funder_award_id":"2022YFB3205304","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G5735179491","display_name":null,"funder_award_id":"2022YFB3205300","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G6166787084","display_name":null,"funder_award_id":"62301061","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8268514637","display_name":null,"funder_award_id":"U23B2008","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"In":[0],"Optical":[1],"Transport":[2],"Networks":[3],"(OTNs),":[4],"faults":[5,20],"often":[6,81],"generate":[7],"numerous":[8],"derived":[9],"alarms":[10],"that":[11,172,183],"may":[12,30],"obscure":[13],"the":[14,23,33,40,71,93,205],"true":[15],"root":[16,41],"alarm.":[17,42],"When":[18],"multiple":[19],"occur":[21],"within":[22],"same":[24],"time":[25],"window,":[26],"their":[27,104],"alarm":[28,36,65,75,127],"propagation":[29,100,147],"overlap,":[31],"so":[32],"earliest":[34],"observed":[35],"is":[37,48],"not":[38],"necessarily":[39],"Accurate":[43],"Root":[44],"Alarm":[45],"Identification":[46],"(RAI)":[47],"therefore":[49,91],"essential":[50],"for":[51,135,216],"timely":[52],"fault":[53,221],"management":[54],"and":[55,67,90,99,106,132,152,158,200,213,223],"reliable":[56],"network":[57],"operation.":[58],"Traditional":[59],"RAI":[60,187,218],"methods":[61],"rely":[62],"on":[63,83,195],"handcrafted":[64],"rules":[66],"struggle":[68],"to":[69,144,219],"capture":[70],"spatio-temporal":[72,78,130],"nature":[73],"of":[74,189],"propagation.":[76],"Existing":[77],"methods,":[79,199],"however,":[80],"focus":[82],"a":[84,117,140,168],"single":[85],"modality":[86],"or":[87],"localized":[88],"dependencies":[89],"overlook":[92],"coupled":[94],"interactions":[95],"among":[96],"topology,":[97],"time,":[98],"behavior,":[101],"which":[102],"limits":[103],"accuracy":[105,151,188,192],"scalability":[107],"in":[108,161,204],"large":[109],"OTNs.":[110],"To":[111,154],"address":[112,155],"these":[113],"challenges,":[114],"we":[115,164],"propose":[116],"Federated":[118],"Spatio-Temporal":[119],"Graph":[120],"Attention":[121],"Network":[122],"(FedSTGAT).":[123],"FedSTGAT":[124,166,184,209],"transforms":[125],"raw":[126,178],"records":[128],"into":[129,167],"subgraphs":[131],"applies":[133],"STGAT":[134],"RAI.":[136],"We":[137],"further":[138],"incorporate":[139],"meta-path-consistent":[141],"learning":[142,170],"objective":[143],"distill":[145],"higher-order":[146],"patterns,":[148],"improving":[149,191],"both":[150],"interpretability.":[153],"data":[156],"silos":[157],"privacy":[159],"constraints":[160],"multi-domain":[162],"OTNs,":[163],"integrate":[165],"federated":[169,206],"framework":[171,215],"enables":[173],"collaborative":[174],"training":[175],"without":[176],"sharing":[177],"alarms.":[179],"Experimental":[180],"results":[181],"show":[182],"achieves":[185],"an":[186,211],"0.9653,":[190],"by":[193],"0.2473":[194],"average":[196],"over":[197],"rule-based":[198],"remains":[201],"above":[202],"0.91":[203],"setting.":[207],"Overall,":[208],"provides":[210],"effective":[212],"interpretable":[214],"intelligent":[217],"support":[220],"diagnosis":[222],"operational":[224],"decision-making.":[225]},"counts_by_year":[],"updated_date":"2026-06-12T06:20:11.936012","created_date":"2026-05-21T00:00:00"}
