{"id":"https://openalex.org/W4386242209","doi":"https://doi.org/10.1109/infocom53939.2023.10229019","title":"A Decentralized Truth Discovery Approach to the Blockchain Oracle Problem","display_name":"A Decentralized Truth Discovery Approach to the Blockchain Oracle Problem","publication_year":2023,"publication_date":"2023-05-17","ids":{"openalex":"https://openalex.org/W4386242209","doi":"https://doi.org/10.1109/infocom53939.2023.10229019"},"language":"en","primary_location":{"id":"doi:10.1109/infocom53939.2023.10229019","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infocom53939.2023.10229019","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2023 - IEEE Conference on Computer Communications","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/A5009050006","display_name":"Yang Xiao","orcid":"https://orcid.org/0000-0002-0946-3197"},"institutions":[{"id":"https://openalex.org/I143302722","display_name":"University of Kentucky","ror":"https://ror.org/02k3smh20","country_code":"US","type":"education","lineage":["https://openalex.org/I143302722"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yang Xiao","raw_affiliation_strings":["University of Kentucky,Lexington,KY,USA","University of Kentucky, Lexington, KY, USA"],"affiliations":[{"raw_affiliation_string":"University of Kentucky,Lexington,KY,USA","institution_ids":["https://openalex.org/I143302722"]},{"raw_affiliation_string":"University of Kentucky, Lexington, KY, USA","institution_ids":["https://openalex.org/I143302722"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100404897","display_name":"Ning Zhang","orcid":"https://orcid.org/0000-0003-0670-2161"},"institutions":[{"id":"https://openalex.org/I204465549","display_name":"Washington University in St. Louis","ror":"https://ror.org/01yc7t268","country_code":"US","type":"education","lineage":["https://openalex.org/I204465549"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ning Zhang","raw_affiliation_strings":["Washington University in St. Louis,St. Louis,MO,USA","Washington University in St. Louis, St. Louis, MO, USA"],"affiliations":[{"raw_affiliation_string":"Washington University in St. Louis,St. Louis,MO,USA","institution_ids":["https://openalex.org/I204465549"]},{"raw_affiliation_string":"Washington University in St. Louis, St. Louis, MO, USA","institution_ids":["https://openalex.org/I204465549"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001879281","display_name":"Wenjing Lou","orcid":"https://orcid.org/0000-0002-2421-4623"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wenjing Lou","raw_affiliation_strings":["Virginia Polytechnic Institute and State University,Blacksburg,VA,USA","Virginia Polytechnic Institute and State University, Blacksburg, VA, USA"],"affiliations":[{"raw_affiliation_string":"Virginia Polytechnic Institute and State University,Blacksburg,VA,USA","institution_ids":["https://openalex.org/I859038795"]},{"raw_affiliation_string":"Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083517460","display_name":"Y. Thomas Hou","orcid":"https://orcid.org/0009-0002-2065-4223"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Y. Thomas Hou","raw_affiliation_strings":["Virginia Polytechnic Institute and State University,Blacksburg,VA,USA","Virginia Polytechnic Institute and State University, Blacksburg, VA, USA"],"affiliations":[{"raw_affiliation_string":"Virginia Polytechnic Institute and State University,Blacksburg,VA,USA","institution_ids":["https://openalex.org/I859038795"]},{"raw_affiliation_string":"Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5009050006"],"corresponding_institution_ids":["https://openalex.org/I143302722"],"apc_list":null,"apc_paid":null,"fwci":3.3232,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.93570326,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"10"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9986000061035156,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9962999820709229,"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/oracle","display_name":"Oracle","score":0.8847733736038208},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8075088262557983},{"id":"https://openalex.org/keywords/blockchain","display_name":"Blockchain","score":0.7521388530731201},{"id":"https://openalex.org/keywords/asynchronous-communication","display_name":"Asynchronous communication","score":0.5627561807632446},{"id":"https://openalex.org/keywords/byzantine-fault-tolerance","display_name":"Byzantine fault tolerance","score":0.532997727394104},{"id":"https://openalex.org/keywords/single-point-of-failure","display_name":"Single point of failure","score":0.5306032299995422},{"id":"https://openalex.org/keywords/random-oracle","display_name":"Random oracle","score":0.5045052766799927},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5003368854522705},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.47465401887893677},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4465135633945465},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3797408640384674},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.1720339059829712},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.09873411059379578}],"concepts":[{"id":"https://openalex.org/C55166926","wikidata":"https://www.wikidata.org/wiki/Q2892946","display_name":"Oracle","level":2,"score":0.8847733736038208},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8075088262557983},{"id":"https://openalex.org/C2779687700","wikidata":"https://www.wikidata.org/wiki/Q20514253","display_name":"Blockchain","level":2,"score":0.7521388530731201},{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.5627561807632446},{"id":"https://openalex.org/C168021876","wikidata":"https://www.wikidata.org/wiki/Q1353446","display_name":"Byzantine fault tolerance","level":3,"score":0.532997727394104},{"id":"https://openalex.org/C165136773","wikidata":"https://www.wikidata.org/wiki/Q1363179","display_name":"Single point of failure","level":2,"score":0.5306032299995422},{"id":"https://openalex.org/C94284585","wikidata":"https://www.wikidata.org/wiki/Q228184","display_name":"Random oracle","level":4,"score":0.5045052766799927},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5003368854522705},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.47465401887893677},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4465135633945465},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3797408640384674},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.1720339059829712},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.09873411059379578},{"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},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.0},{"id":"https://openalex.org/C63540848","wikidata":"https://www.wikidata.org/wiki/Q3140932","display_name":"Fault tolerance","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/infocom53939.2023.10229019","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infocom53939.2023.10229019","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2023 - IEEE Conference on Computer Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6399999856948853,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320337345","display_name":"Office of Naval Research","ror":"https://ror.org/00rk2pe57"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1541280084","https://openalex.org/W1967647772","https://openalex.org/W1988655303","https://openalex.org/W1991153938","https://openalex.org/W2013976210","https://openalex.org/W2025142762","https://openalex.org/W2034771068","https://openalex.org/W2106004025","https://openalex.org/W2118388899","https://openalex.org/W2120510885","https://openalex.org/W2126924915","https://openalex.org/W2131132597","https://openalex.org/W2151073469","https://openalex.org/W2223468118","https://openalex.org/W2342391083","https://openalex.org/W2533941064","https://openalex.org/W2534313446","https://openalex.org/W2769670129","https://openalex.org/W2775293231","https://openalex.org/W2796948984","https://openalex.org/W2886562467","https://openalex.org/W2890933237","https://openalex.org/W2926987861","https://openalex.org/W2952738808","https://openalex.org/W2969759367","https://openalex.org/W2972152617","https://openalex.org/W2978032083","https://openalex.org/W3046841722","https://openalex.org/W3096691500","https://openalex.org/W3098532907","https://openalex.org/W3108644808","https://openalex.org/W3151748982","https://openalex.org/W3154226735","https://openalex.org/W3168807807","https://openalex.org/W3186165460","https://openalex.org/W4251986490","https://openalex.org/W4283700772","https://openalex.org/W6764799359","https://openalex.org/W6793285265","https://openalex.org/W6799746896"],"related_works":["https://openalex.org/W4210406818","https://openalex.org/W4306779889","https://openalex.org/W3211706803","https://openalex.org/W4382775358","https://openalex.org/W4246942721","https://openalex.org/W3209862047","https://openalex.org/W4386732777","https://openalex.org/W4304136894","https://openalex.org/W4390529113","https://openalex.org/W3195581271"],"abstract_inverted_index":{"When":[0],"a":[1,49,59,65,93,108,197],"blockchain":[2,27,53],"application":[3],"runs":[4],"on":[5,13,131,170],"data":[6,19,37,45,73,105,119,136,151,171,211],"from":[7,20,38,138],"the":[8,24,32,71,103,115,150,166,177],"real":[9],"world,":[10],"it":[11],"relies":[12],"an":[14,142],"oracle":[15,28,61,97,124,199],"mechanism":[16],"that":[17],"transports":[18],"external":[21,39,55,79,118],"sources":[22,56,80,186],"to":[23,34,63,101,113,126,164,217],"blockchain.":[25],"The":[26,202],"problem":[29],"arises":[30],"around":[31],"need":[33],"procure":[35],"trustworthy":[36],"sources.":[40],"Previous":[41],"works":[42],"have":[43],"addressed":[44],"authenticity/integrity":[46],"by":[47,121],"building":[48],"secure":[50],"channel":[51],"between":[52],"and":[54,128,153,158,182,187,192,209],"while":[57],"employing":[58],"decentralized":[60,95,123],"network":[62,180],"avoid":[64],"single":[66],"point":[67],"of":[68,117,134,184,214],"failure.":[69],"However,":[70],"truthful":[72,104,132],"challenge,":[74],"which":[75],"emerges":[76],"when":[77],"legitimate":[78],"submit":[81],"fraudulent":[82],"or":[83],"deceitful":[84],"data,":[85],"remains":[86],"unsolved.":[87],"In":[88],"this":[89],"paper,":[90],"we":[91],"introduce":[92],"new":[94],"truth-discovering":[96],"architecture":[98],"called":[99],"DecenTruth":[100,111,191],"address":[102],"challenge":[106],"using":[107],"data-centric":[109],"approach.":[110],"aims":[112],"elevate":[114],"\"truthfulness\"":[116],"input":[120],"enabling":[122],"nodes":[125,163],"discover":[127],"reach":[129],"consensus":[130,154],"values":[133],"common":[135],"objects":[137,172],"multi-sourced":[139],"inputs":[140],"in":[141,148,196],"off-chain":[143],"manner.":[144],"It":[145],"harmonizes":[146],"techniques":[147],"both":[149],"plane":[152],"plane\u2014truth":[155],"discovery":[156],"(TD)":[157],"asynchronous":[159,179],"BFT":[160],"consensus\u2014and":[161],"enables":[162],"finalize":[165],"same":[167],"estimated":[168],"truths":[169],"with":[173],"high":[174],"accuracy,":[175],"amid":[176],"harsh":[178],"condition":[181],"presence":[183],"Byzantine":[185,207],"nodes.":[188],"We":[189],"implemented":[190],"evaluated":[193],"its":[194],"performance":[195],"simulated":[198],"service":[200],"scenario.":[201],"results":[203],"demonstrate":[204],"significantly":[205],"higher":[206],"resilience":[208],"long-term":[210],"feed":[212],"accuracy":[213],"DecenTruth,":[215],"compared":[216],"existing":[218],"median-based":[219],"aggregation":[220],"methods.":[221]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}