{"id":"https://openalex.org/W2074050720","doi":"https://doi.org/10.1145/2809695.2809719","title":"Cloud-Enabled Privacy-Preserving Truth Discovery in Crowd Sensing Systems","display_name":"Cloud-Enabled Privacy-Preserving Truth Discovery in Crowd Sensing Systems","publication_year":2015,"publication_date":"2015-11-01","ids":{"openalex":"https://openalex.org/W2074050720","doi":"https://doi.org/10.1145/2809695.2809719","mag":"2074050720"},"language":"en","primary_location":{"id":"doi:10.1145/2809695.2809719","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2809695.2809719","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM Conference on Embedded Networked Sensor Systems","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/A5091132390","display_name":"Chenglin Miao","orcid":"https://orcid.org/0000-0002-9646-7099"},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Chenglin Miao","raw_affiliation_strings":["State University of New York at Buffalo, Buffalo, NY, USA","State University of New York at Buffalo , Buffalo , NY , USA"],"affiliations":[{"raw_affiliation_string":"State University of New York at Buffalo, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]},{"raw_affiliation_string":"State University of New York at Buffalo , Buffalo , NY , USA","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001777600","display_name":"Wenjun Jiang","orcid":"https://orcid.org/0000-0003-4985-7454"},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wenjun Jiang","raw_affiliation_strings":["State University of New York at Buffalo, Buffalo, NY, USA","State University of New York at Buffalo , Buffalo , NY , USA"],"affiliations":[{"raw_affiliation_string":"State University of New York at Buffalo, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]},{"raw_affiliation_string":"State University of New York at Buffalo , Buffalo , NY , USA","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100732938","display_name":"L\u00fc Su","orcid":"https://orcid.org/0000-0001-7223-543X"},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lu Su","raw_affiliation_strings":["State University of New York at Buffalo, Buffalo, NY, USA","State University of New York at Buffalo , Buffalo , NY , USA"],"affiliations":[{"raw_affiliation_string":"State University of New York at Buffalo, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]},{"raw_affiliation_string":"State University of New York at Buffalo , Buffalo , NY , USA","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046576694","display_name":"Yaliang Li","orcid":"https://orcid.org/0000-0002-4204-6096"},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yaliang Li","raw_affiliation_strings":["State University of New York at Buffalo, Buffalo, NY, USA","State University of New York at Buffalo , Buffalo , NY , USA"],"affiliations":[{"raw_affiliation_string":"State University of New York at Buffalo, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]},{"raw_affiliation_string":"State University of New York at Buffalo , Buffalo , NY , USA","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111850610","display_name":"Suxin Guo","orcid":null},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Suxin Guo","raw_affiliation_strings":["State University of New York at Buffalo, Buffalo, NY, USA","State University of New York at Buffalo , Buffalo , NY , USA"],"affiliations":[{"raw_affiliation_string":"State University of New York at Buffalo, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]},{"raw_affiliation_string":"State University of New York at Buffalo , Buffalo , NY , USA","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043524348","display_name":"Zhan Qin","orcid":"https://orcid.org/0000-0001-7872-6969"},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhan Qin","raw_affiliation_strings":["State University of New York at Buffalo, Buffalo, NY, USA","State University of New York at Buffalo , Buffalo , NY , USA"],"affiliations":[{"raw_affiliation_string":"State University of New York at Buffalo, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]},{"raw_affiliation_string":"State University of New York at Buffalo , Buffalo , NY , USA","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069886022","display_name":"Houping Xiao","orcid":"https://orcid.org/0000-0002-6981-8842"},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Houping Xiao","raw_affiliation_strings":["State University of New York at Buffalo, Buffalo, NY, USA","State University of New York at Buffalo , Buffalo , NY , USA"],"affiliations":[{"raw_affiliation_string":"State University of New York at Buffalo, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]},{"raw_affiliation_string":"State University of New York at Buffalo , Buffalo , NY , USA","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100781385","display_name":"Jing Gao","orcid":"https://orcid.org/0000-0001-5099-6991"},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jing Gao","raw_affiliation_strings":["State University of New York at Buffalo, Buffalo, NY, USA","State University of New York at Buffalo , Buffalo , NY , USA"],"affiliations":[{"raw_affiliation_string":"State University of New York at Buffalo, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]},{"raw_affiliation_string":"State University of New York at Buffalo , Buffalo , NY , USA","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000596496","display_name":"Kui Ren","orcid":"https://orcid.org/0000-0003-3441-6277"},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kui Ren","raw_affiliation_strings":["State University of New York at Buffalo, Buffalo, NY, USA","State University of New York at Buffalo , Buffalo , NY , USA"],"affiliations":[{"raw_affiliation_string":"State University of New York at Buffalo, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]},{"raw_affiliation_string":"State University of New York at Buffalo , Buffalo , NY , USA","institution_ids":["https://openalex.org/I63190737"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":9,"corresponding_author_ids":["https://openalex.org/A5091132390"],"corresponding_institution_ids":["https://openalex.org/I63190737"],"apc_list":null,"apc_paid":null,"fwci":24.669,"has_fulltext":false,"cited_by_count":166,"citation_normalized_percentile":{"value":0.99339149,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"183","last_page":"196"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9998999834060669,"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":0.9998999834060669,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9979000091552734,"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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.977400004863739,"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/computer-science","display_name":"Computer science","score":0.8552203178405762},{"id":"https://openalex.org/keywords/data-aggregator","display_name":"Data aggregator","score":0.5841826796531677},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5769863724708557},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.572412371635437},{"id":"https://openalex.org/keywords/homomorphic-encryption","display_name":"Homomorphic encryption","score":0.5355994701385498},{"id":"https://openalex.org/keywords/crowdsourcing","display_name":"Crowdsourcing","score":0.532682478427887},{"id":"https://openalex.org/keywords/ground-truth","display_name":"Ground truth","score":0.4573265314102173},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.4544052481651306},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.4486171007156372},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.43311044573783875},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.4198623299598694},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.4113163948059082},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3595639765262604},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.27865976095199585},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2260766625404358},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.19388055801391602},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.12424442172050476}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8552203178405762},{"id":"https://openalex.org/C82578977","wikidata":"https://www.wikidata.org/wiki/Q16773055","display_name":"Data aggregator","level":3,"score":0.5841826796531677},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5769863724708557},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.572412371635437},{"id":"https://openalex.org/C158338273","wikidata":"https://www.wikidata.org/wiki/Q2154943","display_name":"Homomorphic encryption","level":3,"score":0.5355994701385498},{"id":"https://openalex.org/C62230096","wikidata":"https://www.wikidata.org/wiki/Q275969","display_name":"Crowdsourcing","level":2,"score":0.532682478427887},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.4573265314102173},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.4544052481651306},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.4486171007156372},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.43311044573783875},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.4198623299598694},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.4113163948059082},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3595639765262604},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.27865976095199585},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2260766625404358},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.19388055801391602},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.12424442172050476},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2809695.2809719","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2809695.2809719","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM Conference on Embedded Networked Sensor Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.726.9215","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.726.9215","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cse.buffalo.edu/%7Elusu/papers/SenSys2015Chenglin.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.800000011920929,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":51,"referenced_works":["https://openalex.org/W104209573","https://openalex.org/W655626130","https://openalex.org/W1521736627","https://openalex.org/W1528076390","https://openalex.org/W1544327602","https://openalex.org/W1546433998","https://openalex.org/W1600010237","https://openalex.org/W1885754552","https://openalex.org/W1971146648","https://openalex.org/W1972830056","https://openalex.org/W1975232520","https://openalex.org/W1992766323","https://openalex.org/W1993652281","https://openalex.org/W2003171969","https://openalex.org/W2013976210","https://openalex.org/W2014991910","https://openalex.org/W2029380119","https://openalex.org/W2030384189","https://openalex.org/W2034401621","https://openalex.org/W2034771068","https://openalex.org/W2036169870","https://openalex.org/W2036242803","https://openalex.org/W2064088392","https://openalex.org/W2066192180","https://openalex.org/W2068143382","https://openalex.org/W2071309374","https://openalex.org/W2073061255","https://openalex.org/W2074968817","https://openalex.org/W2077884493","https://openalex.org/W2079204536","https://openalex.org/W2086413055","https://openalex.org/W2090274112","https://openalex.org/W2091570897","https://openalex.org/W2094634352","https://openalex.org/W2114925746","https://openalex.org/W2117252912","https://openalex.org/W2118388899","https://openalex.org/W2122005484","https://openalex.org/W2125826911","https://openalex.org/W2131222034","https://openalex.org/W2151940804","https://openalex.org/W2155189155","https://openalex.org/W2159024459","https://openalex.org/W2162192698","https://openalex.org/W2163957614","https://openalex.org/W2164297046","https://openalex.org/W2164341199","https://openalex.org/W2171157447","https://openalex.org/W2173213060","https://openalex.org/W2173667989","https://openalex.org/W2290431464"],"related_works":["https://openalex.org/W3032998312","https://openalex.org/W1503094549","https://openalex.org/W4384486036","https://openalex.org/W135177976","https://openalex.org/W2337920774","https://openalex.org/W2610450802","https://openalex.org/W2377996584","https://openalex.org/W1970057761","https://openalex.org/W2064724095","https://openalex.org/W2138505526"],"abstract_inverted_index":{"The":[0,127],"recent":[1],"proliferation":[2],"of":[3,38,83,110,130,181,187],"human-carried":[4],"mobile":[5],"devices":[6],"has":[7,55],"given":[8],"rise":[9],"to":[10,44,61,70,135,148,156],"the":[11,16,32,36,81,108,123,131,179],"crowd":[12,33,102,174],"sensing":[13,34,103,175],"systems.":[14],"However,":[15],"sensory":[17,114],"data":[18,53,115,142,169],"provided":[19],"by":[20,122],"individual":[21,84],"participants":[22],"are":[23],"usually":[24],"not":[25,111,166],"reliable.":[26],"To":[27],"identify":[28],"truthful":[29],"values":[30],"from":[31],"data,":[35,152],"topic":[37],"truth":[39,66,97,124],"discovery,":[40],"whose":[41],"goal":[42],"is":[43,134],"estimate":[45],"user":[46],"quality":[47],"and":[48,184],"infer":[49],"truths":[50],"through":[51],"quality-aware":[52],"aggregation,":[54],"drawn":[56],"significant":[57],"attention.":[58],"Though":[59],"able":[60],"improve":[62],"aggregation":[63,138],"accuracy,":[64],"existing":[65],"discovery":[67,98,125],"approaches":[68],"fail":[69],"take":[71],"into":[72],"consideration":[73],"an":[74],"important":[75],"issue":[76],"in":[77],"their":[78,118],"design,":[79],"i.e.,":[80],"protection":[82,109],"users'":[85,113,140],"private":[86],"information.":[87],"In":[88,146],"this":[89],"paper,":[90],"we":[91,153,177],"propose":[92,155],"a":[93],"novel":[94],"cloud-enabled":[95],"privacy-preserving":[96],"(PPTD)":[99],"framework":[100,133],"for":[101],"systems,":[104,176],"which":[105],"can":[106],"achieve":[107],"only":[112,167],"but":[116,170],"also":[117,154,171],"reliability":[119],"scores":[120],"derived":[121],"approaches.":[126],"key":[128],"idea":[129],"proposed":[132,189],"perform":[136],"weighted":[137],"on":[139,165],"encrypted":[141],"using":[143],"homomorphic":[144],"cryptosystem.":[145],"order":[147],"deal":[149],"with":[150,159],"large-scale":[151],"parallelize":[157],"PPTD":[158],"MapReduce":[160],"framework.":[161,190],"Through":[162],"extensive":[163],"experiments":[164],"synthetic":[168],"real":[172],"world":[173],"justify":[178],"guarantee":[180],"strong":[182],"privacy":[183],"high":[185],"accuracy":[186],"our":[188]},"counts_by_year":[{"year":2025,"cited_by_count":15},{"year":2024,"cited_by_count":17},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":19},{"year":2021,"cited_by_count":25},{"year":2020,"cited_by_count":13},{"year":2019,"cited_by_count":21},{"year":2018,"cited_by_count":26},{"year":2017,"cited_by_count":10},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}