{"id":"https://openalex.org/W4283171728","doi":"https://doi.org/10.3390/s22124590","title":"Optimization of PBFT Algorithm Based on QoS-Aware Trust Service Evaluation","display_name":"Optimization of PBFT Algorithm Based on QoS-Aware Trust Service Evaluation","publication_year":2022,"publication_date":"2022-06-17","ids":{"openalex":"https://openalex.org/W4283171728","doi":"https://doi.org/10.3390/s22124590","pmid":"https://pubmed.ncbi.nlm.nih.gov/35746366"},"language":"en","primary_location":{"id":"doi:10.3390/s22124590","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22124590","pdf_url":"https://www.mdpi.com/1424-8220/22/12/4590/pdf?version=1655463205","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/22/12/4590/pdf?version=1655463205","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5039696123","display_name":"Wei Liu","orcid":"https://orcid.org/0000-0002-2688-0427"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]},{"id":"https://openalex.org/I79731167","display_name":"Hainan Medical University","ror":"https://ror.org/004eeze55","country_code":"CN","type":"education","lineage":["https://openalex.org/I79731167"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Liu","raw_affiliation_strings":["College of Biomedical Information and Engineering, Hainan Medical University, Haikou 571199, China","School of Information and Communication Engineering, Hainan University, Haikou 570228, China"],"raw_orcid":"https://orcid.org/0000-0002-2688-0427","affiliations":[{"raw_affiliation_string":"College of Biomedical Information and Engineering, Hainan Medical University, Haikou 571199, China","institution_ids":["https://openalex.org/I79731167"]},{"raw_affiliation_string":"School of Information and Communication Engineering, Hainan University, Haikou 570228, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101913100","display_name":"Xuhao Zhang","orcid":"https://orcid.org/0000-0001-5387-544X"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuhao Zhang","raw_affiliation_strings":["School of Information and Communication Engineering, Hainan University, Haikou 570228, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Hainan University, Haikou 570228, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073125952","display_name":"Wenlong Feng","orcid":"https://orcid.org/0000-0001-7938-6580"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wenlong Feng","raw_affiliation_strings":["School of Information and Communication Engineering, Hainan University, Haikou 570228, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Hainan University, Haikou 570228, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011132245","display_name":"Mengxing Huang","orcid":"https://orcid.org/0000-0002-5709-703X"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Mengxing Huang","raw_affiliation_strings":["School of Information and Communication Engineering, Hainan University, Haikou 570228, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Hainan University, Haikou 570228, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091618278","display_name":"Yun Xu","orcid":"https://orcid.org/0000-0001-6230-3742"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yun Xu","raw_affiliation_strings":["Department of Software Engineering, Wenchang Satellite Launch Center, Wenchang 571300, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Software Engineering, Wenchang Satellite Launch Center, Wenchang 571300, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5011132245","https://openalex.org/A5073125952"],"corresponding_institution_ids":["https://openalex.org/I20942203"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":5.7365,"has_fulltext":true,"cited_by_count":18,"citation_normalized_percentile":{"value":0.96199204,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"22","issue":"12","first_page":"4590","last_page":"4590"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9961000084877014,"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.9958000183105469,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/byzantine-fault-tolerance","display_name":"Byzantine fault tolerance","score":0.8006696701049805},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7890211939811707},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.7402645349502563},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.5930390357971191},{"id":"https://openalex.org/keywords/blockchain","display_name":"Blockchain","score":0.5555598139762878},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.5403829216957092},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4830392003059387},{"id":"https://openalex.org/keywords/service-quality","display_name":"Service quality","score":0.4419190287590027},{"id":"https://openalex.org/keywords/fault-tolerance","display_name":"Fault tolerance","score":0.435099720954895},{"id":"https://openalex.org/keywords/database-transaction","display_name":"Database transaction","score":0.4341466426849365},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4141216576099396},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.18677043914794922},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.12978503108024597}],"concepts":[{"id":"https://openalex.org/C168021876","wikidata":"https://www.wikidata.org/wiki/Q1353446","display_name":"Byzantine fault tolerance","level":3,"score":0.8006696701049805},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7890211939811707},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.7402645349502563},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5930390357971191},{"id":"https://openalex.org/C2779687700","wikidata":"https://www.wikidata.org/wiki/Q20514253","display_name":"Blockchain","level":2,"score":0.5555598139762878},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.5403829216957092},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4830392003059387},{"id":"https://openalex.org/C140781008","wikidata":"https://www.wikidata.org/wiki/Q1221081","display_name":"Service quality","level":3,"score":0.4419190287590027},{"id":"https://openalex.org/C63540848","wikidata":"https://www.wikidata.org/wiki/Q3140932","display_name":"Fault tolerance","level":2,"score":0.435099720954895},{"id":"https://openalex.org/C75949130","wikidata":"https://www.wikidata.org/wiki/Q848010","display_name":"Database transaction","level":2,"score":0.4341466426849365},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4141216576099396},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.18677043914794922},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.12978503108024597},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000081186","descriptor_name":"Blockchain","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000081186","descriptor_name":"Blockchain","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000081186","descriptor_name":"Blockchain","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D035502","descriptor_name":"Trust","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D035502","descriptor_name":"Trust","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D035502","descriptor_name":"Trust","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D059015","descriptor_name":"Wireless Technology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D059015","descriptor_name":"Wireless Technology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D059015","descriptor_name":"Wireless Technology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":5,"locations":[{"id":"doi:10.3390/s22124590","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22124590","pdf_url":"https://www.mdpi.com/1424-8220/22/12/4590/pdf?version=1655463205","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:35746366","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35746366","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:cc88b7941aea40fabe2856869e9b7264","is_oa":true,"landing_page_url":"https://doaj.org/article/cc88b7941aea40fabe2856869e9b7264","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 22, Iss 12, p 4590 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/22/12/4590/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s22124590","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors; Volume 22; Issue 12; Pages: 4590","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:9227891","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/9227891","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s22124590","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22124590","pdf_url":"https://www.mdpi.com/1424-8220/22/12/4590/pdf?version=1655463205","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.550000011920929,"display_name":"Decent work and economic growth","id":"https://metadata.un.org/sdg/8"}],"awards":[{"id":"https://openalex.org/G1931484539","display_name":"\u57fa\u4e8eCPS\u7684\u6d77\u6d0b\u4fe1\u606f\u667a\u80fd\u7cfb\u7edf\u63a7\u5236\u8f6f\u4ef6\u8bbe\u8ba1\u7684\u4e00\u81f4\u6027\u9a8c\u8bc1\u6280\u672f\u7814\u7a76","funder_award_id":"62062030","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"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4283171728.pdf","grobid_xml":"https://content.openalex.org/works/W4283171728.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W2013608896","https://openalex.org/W2038345682","https://openalex.org/W2046078150","https://openalex.org/W2126087831","https://openalex.org/W2146013510","https://openalex.org/W2901994931","https://openalex.org/W2902905458","https://openalex.org/W2907349043","https://openalex.org/W2989739431","https://openalex.org/W2990181228","https://openalex.org/W3003936169","https://openalex.org/W3004068692","https://openalex.org/W3008551695","https://openalex.org/W3014028770","https://openalex.org/W3039635909","https://openalex.org/W3043200032","https://openalex.org/W3102744027","https://openalex.org/W3108722340","https://openalex.org/W3135300514","https://openalex.org/W4211068006","https://openalex.org/W4229655436","https://openalex.org/W6678832241","https://openalex.org/W6756215943","https://openalex.org/W6770381254"],"related_works":["https://openalex.org/W4210406818","https://openalex.org/W4306779889","https://openalex.org/W4386732777","https://openalex.org/W3211706803","https://openalex.org/W4382775358","https://openalex.org/W4246942721","https://openalex.org/W3016961585","https://openalex.org/W2145120192","https://openalex.org/W4214672453","https://openalex.org/W2012215169"],"abstract_inverted_index":{"In":[0],"service-transaction":[1],"scenarios,":[2],"blockchain":[3,62],"technology":[4,26],"is":[5,23,170],"widely":[6],"used":[7],"as":[8,34],"an":[9,59],"effective":[10],"tool":[11],"for":[12,74,155,173],"establishing":[13],"trust":[14,71,86,108,165],"between":[15],"service":[16,69,72,78,109,115],"providers":[17],"and":[18,48,76,100,182,190],"consumers.":[19],"The":[20,80,177],"consensus":[21,31,63,102,151,156],"algorithm":[22,64],"the":[24,35,84,125,129,133,136,159,164,174,188,193],"core":[25],"of":[27,68,128,135,163,179,192],"blockchain.":[28],"However,":[29],"existing":[30],"algorithms,":[32],"such":[33],"practical":[36,87,168],"Byzantine":[37,88],"fault":[38,89],"tolerance":[39,90],"(PBFT)":[40],"algorithm,":[41,82,92],"still":[42],"suffer":[43],"from":[44],"high":[45],"resource":[46,98],"consumption":[47],"latency.":[49],"To":[50,131],"solve":[51],"this":[52,55],"problem,":[53],"in":[54],"study,":[56],"we":[57],"propose":[58],"improved":[60],"PBFT":[61],"based":[65],"on":[66],"quality":[67],"(QoS)-aware":[70],"evaluation":[73,111,122,161],"secure":[75],"efficient":[77],"transactions.":[79],"proposed":[81,175,194],"called":[83],"QoS-aware":[85,107],"(QTPBFT)":[91],"efficiently":[93],"achieves":[94],"consensus,":[95],"significantly":[96],"reduces":[97],"consumption,":[99],"enhances":[101],"efficiency.":[103],"QTPBFT":[104],"incorporates":[105],"a":[106,120,140,150],"global":[110,160],"mechanism":[112,141],"that":[113,142,153],"implements":[114],"reliability":[116],"ranking":[117],"by":[118],"conducting":[119],"dynamic":[121],"according":[123,157],"to":[124,148,158],"real-time":[126],"performance":[127],"services.":[130],"reduce":[132],"traffic":[134],"blockchain,":[137],"it":[138],"uses":[139],"selects":[143],"nodes":[144],"with":[145,184],"higher":[146],"values":[147],"form":[149],"group":[152],"votes":[154],"result":[162],"service.":[166],"A":[167],"protocol":[169],"also":[171],"constructed":[172],"algorithm.":[176],"results":[178],"extensive":[180],"simulations":[181],"comparison":[183],"other":[185],"schemes":[186],"verify":[187],"efficacy":[189],"efficiency":[191],"scheme.":[195]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":3}],"updated_date":"2026-06-06T09:05:17.133730","created_date":"2025-10-10T00:00:00"}
