{"id":"https://openalex.org/W7125961045","doi":"https://doi.org/10.1109/jiot.2026.3658564","title":"Adaptive Semantic Compression and Transmission for Cognitive Knowledge Coordination in a Hierarchical LLM-Agents System","display_name":"Adaptive Semantic Compression and Transmission for Cognitive Knowledge Coordination in a Hierarchical LLM-Agents System","publication_year":2026,"publication_date":"2026-01-28","ids":{"openalex":"https://openalex.org/W7125961045","doi":"https://doi.org/10.1109/jiot.2026.3658564"},"language":null,"primary_location":{"id":"doi:10.1109/jiot.2026.3658564","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2026.3658564","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","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":null,"display_name":"Xinju He","orcid":"https://orcid.org/0009-0003-1307-6100"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xinju He","raw_affiliation_strings":["Guangzhou Institute of Technology, Xidian University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0009-0003-1307-6100","affiliations":[{"raw_affiliation_string":"Guangzhou Institute of Technology, Xidian University, Guangzhou, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jiayi Liu","orcid":"https://orcid.org/0000-0002-9188-9807"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiayi Liu","raw_affiliation_strings":["Guangzhou Institute of Technology, Xidian University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-9188-9807","affiliations":[{"raw_affiliation_string":"Guangzhou Institute of Technology, Xidian University, Guangzhou, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124119958","display_name":"Chen Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen Wang","raw_affiliation_strings":["Noah’s Ark Laboratory, Huawei, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Noah’s Ark Laboratory, Huawei, Shenzhen, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102508300","display_name":"Xuemei Xie","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xuemei Xie","raw_affiliation_strings":["Pazhou Laboratory (Huangpu), Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0001-7857-0845","affiliations":[{"raw_affiliation_string":"Pazhou Laboratory (Huangpu), Guangzhou, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5124129089","display_name":"Guangming Shi","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guangming Shi","raw_affiliation_strings":["Pazhou Laboratory (Huangpu), Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-2179-3292","affiliations":[{"raw_affiliation_string":"Pazhou Laboratory (Huangpu), Guangzhou, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.18015903,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":"8","first_page":"16001","last_page":"16020"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12808","display_name":"Ferroelectric and Negative Capacitance Devices","score":0.17810000479221344,"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/T12808","display_name":"Ferroelectric and Negative Capacitance Devices","score":0.17810000479221344,"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/T13062","display_name":"Cognitive Computing and Networks","score":0.15530000627040863,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.055399999022483826,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/cognition","display_name":"Cognition","score":0.5131999850273132},{"id":"https://openalex.org/keywords/cognitive-network","display_name":"Cognitive network","score":0.45239999890327454},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.3946000039577484},{"id":"https://openalex.org/keywords/fidelity","display_name":"Fidelity","score":0.3801000118255615},{"id":"https://openalex.org/keywords/semantic-memory","display_name":"Semantic memory","score":0.37860000133514404},{"id":"https://openalex.org/keywords/knowledge-base","display_name":"Knowledge base","score":0.37290000915527344},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3601999878883362},{"id":"https://openalex.org/keywords/semantic-compression","display_name":"Semantic compression","score":0.350600004196167},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.3492000102996826}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8831999897956848},{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.5131999850273132},{"id":"https://openalex.org/C32542511","wikidata":"https://www.wikidata.org/wiki/Q5141225","display_name":"Cognitive network","level":4,"score":0.45239999890327454},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41269999742507935},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.3946000039577484},{"id":"https://openalex.org/C2776459999","wikidata":"https://www.wikidata.org/wiki/Q2119376","display_name":"Fidelity","level":2,"score":0.3801000118255615},{"id":"https://openalex.org/C197914299","wikidata":"https://www.wikidata.org/wiki/Q18650","display_name":"Semantic memory","level":3,"score":0.37860000133514404},{"id":"https://openalex.org/C4554734","wikidata":"https://www.wikidata.org/wiki/Q593744","display_name":"Knowledge base","level":2,"score":0.37290000915527344},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3601999878883362},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3582000136375427},{"id":"https://openalex.org/C202708506","wikidata":"https://www.wikidata.org/wiki/Q7449050","display_name":"Semantic compression","level":5,"score":0.350600004196167},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.3492000102996826},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.3377000093460083},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.32580000162124634},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.3237999975681305},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.3084000051021576},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.3025999963283539},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.30250000953674316},{"id":"https://openalex.org/C161407221","wikidata":"https://www.wikidata.org/wiki/Q4382939","display_name":"Cognitive model","level":3,"score":0.29010000824928284},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.2896000146865845},{"id":"https://openalex.org/C207685749","wikidata":"https://www.wikidata.org/wiki/Q2088941","display_name":"Domain knowledge","level":2,"score":0.28630000352859497},{"id":"https://openalex.org/C85407183","wikidata":"https://www.wikidata.org/wiki/Q1045785","display_name":"Semantic network","level":2,"score":0.28459998965263367},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.2806999981403351},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.27869999408721924},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.26600000262260437},{"id":"https://openalex.org/C115925183","wikidata":"https://www.wikidata.org/wiki/Q1412694","display_name":"Knowledge-based systems","level":2,"score":0.2623000144958496},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.26100000739097595},{"id":"https://openalex.org/C2780609101","wikidata":"https://www.wikidata.org/wiki/Q17156588","display_name":"Resource management (computing)","level":2,"score":0.2567000091075897},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.25440001487731934},{"id":"https://openalex.org/C92298750","wikidata":"https://www.wikidata.org/wiki/Q17008161","display_name":"Cognitive computing","level":3,"score":0.25290000438690186},{"id":"https://openalex.org/C180016635","wikidata":"https://www.wikidata.org/wiki/Q2712821","display_name":"Compression (physics)","level":2,"score":0.25110000371932983}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2026.3658564","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2026.3658564","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2758867346","display_name":null,"funder_award_id":"2025JC-YBMS-648","funder_id":"https://openalex.org/F4320336567","funder_display_name":"Natural Science Basic Research Program of Shaanxi Province"},{"id":"https://openalex.org/G3794458980","display_name":null,"funder_award_id":"2024ZD1300700","funder_id":"https://openalex.org/F4320330373","funder_display_name":"Research and Innovation in Science and Technology Project"}],"funders":[{"id":"https://openalex.org/F4320330373","display_name":"Research and Innovation in Science and Technology Project","ror":null},{"id":"https://openalex.org/F4320336567","display_name":"Natural Science Basic Research Program of Shaanxi Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"The":[0,74,186,195],"rapid":[1],"development":[2],"of":[3,13,25,32,62,77,85,94,117,133,146,183,206,221],"Large":[4],"Language":[5],"Model":[6],"(LLM)":[7],"agents":[8,39],"has":[9],"facilitated":[10],"the":[11,23,30,33,83,92,114,147,164,179,191,200,204,207,224,229],"advancement":[12],"multi-agent":[14],"systems,":[15],"where":[16],"cognitive":[17,34,75,96,118,148,184,208],"knowledge":[18],"sharing":[19],"is":[20,80,109,140,160,188],"crucial":[21],"for":[22],"execution":[24],"complex":[26],"tasks.":[27],"However,":[28],"achieving":[29],"synchronization":[31],"Knowledge":[35,87],"base":[36],"(KB)":[37],"among":[38],"under":[40],"restricted":[41],"wireless":[42,174,246],"resources":[43,175,247],"remains":[44],"a":[45,55,63,86,103,129,156,219],"challenge,":[46],"especially":[47],"in":[48,82,223],"dynamic":[49],"real-time":[50],"environments.":[51],"Therefore,":[52],"we":[53],"propose":[54],"hierarchical":[56,157],"LLM":[57,71],"agent":[58],"system":[59],"that":[60,199,210],"consists":[61],"high-level":[64],"Cluster":[65],"Brain":[66],"(CB)":[67],"and":[68,124,127,136,176,233],"multiple":[69],"Lower-level":[70],"Agents":[72],"(LLAs).":[73],"KB":[76,97,119,149],"each":[78],"LLA":[79],"represented":[81],"form":[84],"Graph":[88],"(KG).":[89],"To":[90,152],"improve":[91],"efficiency":[93],"transmitting":[95],"updates":[98,209],"from":[99],"LLAs":[100],"to":[101,142,162,189,212,242],"CB,":[102],"KG":[104],"compression":[105,181,232],"framework":[106,202],"named":[107],"MED-EmPress":[108,201],"proposed,":[110],"which":[111,170],"adaptively":[112],"compresses":[113],"semantic":[115,144,180,193,237],"features":[116],"by":[120,215,239],"applying":[121],"dimensionality":[122],"reduction":[123],"binary":[125],"quantization,":[126],"then":[128],"joint":[130],"optimization":[131],"problem":[132,166],"Semantic":[134],"Compression":[135],"Resource":[137],"Allocation":[138],"(SCRA)":[139],"formulated":[141],"maximize":[143,190],"fidelity":[145,238],"being":[150],"transmitted.":[151],"solve":[153],"this":[154],"problem,":[155],"SCRA":[158,165],"algorithm":[159],"designed":[161],"decouple":[163],"into":[167],"two":[168],"subproblems,":[169],"involve":[171],"dynamically":[172],"allocating":[173],"rationally":[177],"choosing":[178],"ratio":[182],"KB.":[185],"goal":[187],"system\u2019s":[192],"fidelity.":[194],"evaluation":[196],"results":[197],"demonstrate":[198],"reduces":[203],"size":[205],"need":[211],"be":[213],"transmitted":[214],"96%,":[216],"with":[217],"only":[218],"loss":[220],"3.6%":[222],"entity":[225],"alignment":[226],"task.":[227],"Furthermore,":[228],"proposed":[230],"adaptive":[231],"transmission":[234],"scheme":[235],"improves":[236],"94%":[240],"compared":[241],"existing":[243],"methods":[244],"when":[245],"are":[248],"severely":[249],"limited.":[250]},"counts_by_year":[],"updated_date":"2026-04-25T08:17:42.794288","created_date":"2026-01-29T00:00:00"}