{"id":"https://openalex.org/W3082692902","doi":"https://doi.org/10.1109/access.2020.3020513","title":"Anonymity Preserving IoT-Based COVID-19 and Other Infectious Disease Contact Tracing Model","display_name":"Anonymity Preserving IoT-Based COVID-19 and Other Infectious Disease Contact Tracing Model","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3082692902","doi":"https://doi.org/10.1109/access.2020.3020513","mag":"3082692902","pmid":"https://pubmed.ncbi.nlm.nih.gov/34786286"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3020513","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3020513","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09181512.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09181512.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056654254","display_name":"Lalit Garg","orcid":"https://orcid.org/0000-0002-3868-0481"},"institutions":[{"id":"https://openalex.org/I197854408","display_name":"University of Malta","ror":"https://ror.org/03a62bv60","country_code":"MT","type":"education","lineage":["https://openalex.org/I197854408"]}],"countries":["MT"],"is_corresponding":true,"raw_author_name":"Lalit Garg","raw_affiliation_strings":["Department of Computer Information System (CIS)Faculty of Information Communication Technology (ICT), University of Malta 2080 Msida Malta","Department of Computer Information System (CIS), Faculty of Information Communication Technology (ICT), University of Malta, Msida, Malta"],"affiliations":[{"raw_affiliation_string":"Department of Computer Information System (CIS)Faculty of Information Communication Technology (ICT), University of Malta 2080 Msida Malta","institution_ids":[]},{"raw_affiliation_string":"Department of Computer Information System (CIS), Faculty of Information Communication Technology (ICT), University of Malta, Msida, Malta","institution_ids":["https://openalex.org/I197854408"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086364506","display_name":"Emeka Chukwu","orcid":"https://orcid.org/0000-0003-3474-8108"},"institutions":[{"id":"https://openalex.org/I197854408","display_name":"University of Malta","ror":"https://ror.org/03a62bv60","country_code":"MT","type":"education","lineage":["https://openalex.org/I197854408"]}],"countries":["MT"],"is_corresponding":false,"raw_author_name":"Emeka Chukwu","raw_affiliation_strings":["Department of Computer Information System (CIS)Faculty of Information Communication Technology (ICT), University of Malta 2080 Msida Malta","Department of Computer Information System (CIS), Faculty of Information Communication Technology (ICT), University of Malta, Msida, Malta"],"affiliations":[{"raw_affiliation_string":"Department of Computer Information System (CIS)Faculty of Information Communication Technology (ICT), University of Malta 2080 Msida Malta","institution_ids":[]},{"raw_affiliation_string":"Department of Computer Information System (CIS), Faculty of Information Communication Technology (ICT), University of Malta, Msida, Malta","institution_ids":["https://openalex.org/I197854408"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091515770","display_name":"Nidal Nasser","orcid":"https://orcid.org/0000-0002-9532-2074"},"institutions":[{"id":"https://openalex.org/I134359838","display_name":"Alfaisal University","ror":"https://ror.org/00cdrtq48","country_code":"SA","type":"education","lineage":["https://openalex.org/I134359838"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Nidal Nasser","raw_affiliation_strings":["College of EngineeringAlfaisal University Riyadh 50927 Saudi Arabia","College of Engineering, Alfaisal University, Riyadh, Saudi Arabia"],"affiliations":[{"raw_affiliation_string":"College of EngineeringAlfaisal University Riyadh 50927 Saudi Arabia","institution_ids":[]},{"raw_affiliation_string":"College of Engineering, Alfaisal University, Riyadh, Saudi Arabia","institution_ids":["https://openalex.org/I134359838"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036945704","display_name":"Chinmay Chakraborty","orcid":"https://orcid.org/0000-0002-4385-0975"},"institutions":[{"id":"https://openalex.org/I115715567","display_name":"Birla Institute of Technology, Mesra","ror":"https://ror.org/028vtqb15","country_code":"IN","type":"education","lineage":["https://openalex.org/I115715567"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Chinmay Chakraborty","raw_affiliation_strings":["Department of Electronics and Communication EngineeringBirla Institute of Technology at Mesra Ranchi 835215 India","Department of Electronics and Communication Engineering, Birla Institute of Technology at Mesra, Ranchi, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication EngineeringBirla Institute of Technology at Mesra Ranchi 835215 India","institution_ids":[]},{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Birla Institute of Technology at Mesra, Ranchi, India","institution_ids":["https://openalex.org/I115715567"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014747010","display_name":"Gaurav Garg","orcid":"https://orcid.org/0000-0001-8489-1266"},"institutions":[{"id":"https://openalex.org/I9747756","display_name":"Atal Bihari Vajpayee Indian Institute of Information Technology and Management","ror":"https://ror.org/008b3ap06","country_code":"IN","type":"education","lineage":["https://openalex.org/I9747756"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Gaurav Garg","raw_affiliation_strings":["ABV-Indian Institute of Information Technology and Management Gwalior 474015 India","ABV-Indian Institute of Information Technology and Management, Gwalior, India"],"affiliations":[{"raw_affiliation_string":"ABV-Indian Institute of Information Technology and Management Gwalior 474015 India","institution_ids":[]},{"raw_affiliation_string":"ABV-Indian Institute of Information Technology and Management, Gwalior, India","institution_ids":["https://openalex.org/I9747756"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5056654254"],"corresponding_institution_ids":["https://openalex.org/I197854408"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":54.4401,"has_fulltext":true,"cited_by_count":222,"citation_normalized_percentile":{"value":0.99881851,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"8","issue":null,"first_page":"159402","last_page":"159414"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12943","display_name":"COVID-19 Digital Contact Tracing","score":0.9997000098228455,"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/T12943","display_name":"COVID-19 Digital Contact Tracing","score":0.9997000098228455,"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":0.9814000129699707,"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/T10410","display_name":"COVID-19 epidemiological studies","score":0.9771000146865845,"subfield":{"id":"https://openalex.org/subfields/2611","display_name":"Modeling and Simulation"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7730475664138794},{"id":"https://openalex.org/keywords/contact-tracing","display_name":"Contact tracing","score":0.6881230473518372},{"id":"https://openalex.org/keywords/anonymity","display_name":"Anonymity","score":0.6554800868034363},{"id":"https://openalex.org/keywords/tracing","display_name":"Tracing","score":0.6362255215644836},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.6075721979141235},{"id":"https://openalex.org/keywords/blockchain","display_name":"Blockchain","score":0.514875054359436},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.4954127073287964},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4211067855358124},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.42024174332618713},{"id":"https://openalex.org/keywords/coronavirus-disease-2019","display_name":"Coronavirus disease 2019 (COVID-19)","score":0.3583780527114868},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.22459310293197632},{"id":"https://openalex.org/keywords/infectious-disease","display_name":"Infectious disease (medical specialty)","score":0.20899301767349243}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7730475664138794},{"id":"https://openalex.org/C113162765","wikidata":"https://www.wikidata.org/wiki/Q1128437","display_name":"Contact tracing","level":5,"score":0.6881230473518372},{"id":"https://openalex.org/C178005623","wikidata":"https://www.wikidata.org/wiki/Q308859","display_name":"Anonymity","level":2,"score":0.6554800868034363},{"id":"https://openalex.org/C138673069","wikidata":"https://www.wikidata.org/wiki/Q322229","display_name":"Tracing","level":2,"score":0.6362255215644836},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.6075721979141235},{"id":"https://openalex.org/C2779687700","wikidata":"https://www.wikidata.org/wiki/Q20514253","display_name":"Blockchain","level":2,"score":0.514875054359436},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.4954127073287964},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4211067855358124},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.42024174332618713},{"id":"https://openalex.org/C3008058167","wikidata":"https://www.wikidata.org/wiki/Q84263196","display_name":"Coronavirus disease 2019 (COVID-19)","level":4,"score":0.3583780527114868},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.22459310293197632},{"id":"https://openalex.org/C524204448","wikidata":"https://www.wikidata.org/wiki/Q788926","display_name":"Infectious disease (medical specialty)","level":3,"score":0.20899301767349243},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/access.2020.3020513","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3020513","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09181512.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmid:34786286","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34786286","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":"IEEE access : practical innovations, open solutions","raw_type":null},{"id":"pmh:oai:www.um.edu.mt:123456789/107269","is_oa":true,"landing_page_url":"https://www.um.edu.mt/library/oar/handle/123456789/107269","pdf_url":null,"source":{"id":"https://openalex.org/S4306400782","display_name":"OAR@UM (University of Malta)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I197854408","host_organization_name":"University of Malta","host_organization_lineage":["https://openalex.org/I197854408"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:64cab7540f924b2397a90fcc32ccc459","is_oa":true,"landing_page_url":"https://doaj.org/article/64cab7540f924b2397a90fcc32ccc459","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 159402-159414 (2020)","raw_type":"article"},{"id":"pmh:oai:pubmedcentral.nih.gov:8545304","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8545304","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3020513","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3020513","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09181512.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.7200000286102295,"id":"https://metadata.un.org/sdg/3"}],"awards":[{"id":"https://openalex.org/G971181066","display_name":null,"funder_award_id":"C20220","funder_id":"https://openalex.org/F4320330164","funder_display_name":"Alfaisal University"}],"funders":[{"id":"https://openalex.org/F4320329157","display_name":"Universit\u00e0 ta' Malta","ror":"https://ror.org/03a62bv60"},{"id":"https://openalex.org/F4320330164","display_name":"Alfaisal University","ror":"https://ror.org/00cdrtq48"},{"id":"https://openalex.org/F4320330419","display_name":"Research Innovation and Development Trust, University of Malta","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3082692902.pdf","grobid_xml":"https://content.openalex.org/works/W3082692902.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W2506098884","https://openalex.org/W2790950219","https://openalex.org/W2919755127","https://openalex.org/W2973657939","https://openalex.org/W3002715510","https://openalex.org/W3003714166","https://openalex.org/W3008294222","https://openalex.org/W3010096538","https://openalex.org/W3012088940","https://openalex.org/W3014233146","https://openalex.org/W3017037691","https://openalex.org/W3035655145","https://openalex.org/W3048459274","https://openalex.org/W6774316164"],"related_works":["https://openalex.org/W4210406818","https://openalex.org/W4306779889","https://openalex.org/W4386732777","https://openalex.org/W3130225502","https://openalex.org/W3158100496","https://openalex.org/W3206978831","https://openalex.org/W2170160357","https://openalex.org/W4287554683","https://openalex.org/W2012140923","https://openalex.org/W2379871682"],"abstract_inverted_index":{"Automated":[0],"digital":[1,29],"contact":[2,30,60],"tracing":[3,79],"is":[4,33],"effective":[5],"and":[6,8,17,44,51,71,78,84,104,130,163,178,195,234,255,283],"efficient,":[7],"one":[9],"of":[10,28,180,226,237,252,291],"the":[11,26,38,42,56,184,289],"non-pharmaceutical":[12],"complementary":[13],"approaches":[14,58],"to":[15,47,139,148,209,228,239,249,272,287],"mitigate":[16],"manage":[18],"epidemics":[19],"like":[20,87],"Coronavirus":[21],"disease":[22],"2019":[23],"(COVID-19).":[24],"Despite":[25],"advantages":[27],"tracing,":[31,61],"it":[32,205,222,247,268],"not":[34,81],"widely":[35],"used":[36,271],"in":[37,202],"western":[39],"world,":[40],"including":[41],"US":[43],"Europe,":[45],"due":[46],"strict":[48],"privacy":[49,108],"regulations":[50],"patient":[52],"rights.":[53],"We":[54,112,161,173,182],"categorized":[55],"current":[57],"for":[59,75,117,126,170,198,260,295],"namely:":[62],"mobile":[63,65],"service-provider-application,":[64],"network":[66],"operators'":[67],"call":[68,196,240],"detail,":[69],"citizen-application,":[70],"IoT-based.":[72],"Current":[73],"measures":[74],"infection":[76,97,253,280],"control":[77,288],"do":[80],"include":[82],"animals":[83],"moving":[85,93,137],"objects":[86,94,138],"cars":[88],"despite":[89],"evidence":[90],"that":[91,221],"these":[92],"can":[95,206,269],"be":[96,207,270],"carriers.":[98],"In":[99],"this":[100,118],"article,":[101],"we":[102],"designed":[103],"presented":[105,113,164,183],"a":[106,149,258],"novel":[107],"anonymous":[109],"IoT":[110],"model.":[111,119,172],"an":[114,224,235],"RFID":[115],"proof-of-concept":[116],"Our":[120,132,187,216,243],"model":[121,133,244,277],"leverages":[122],"blockchain's":[123],"trust-oriented":[124],"decentralization":[125],"on-chain":[127],"data":[128],"logging":[129],"retrieval.":[131],"solution":[134],"will":[135,245],"allow":[136],"receive":[140],"or":[141,152,156,159],"send":[142],"notifications":[143],"when":[144],"they":[145],"are":[146],"close":[147],"flagged,":[150],"probable,":[151],"confirmed":[153],"diseased":[154],"case,":[155],"flagged":[157],"place":[158],"object.":[160],"implemented":[162],"three":[165],"prototype":[166,231],"blockchain":[167],"smart":[168,199,232],"contracts":[169],"our":[171,230,241],"then":[174],"simulated":[175],"contract":[176],"deployments":[177],"execution":[179],"functions.":[181,242],"cost":[185],"differentials.":[186],"simulation":[188,217],"results":[189,218],"show":[190,220],"less":[191],"than":[192],"one-second":[193],"deployment":[194],"time":[197],"contracts,":[200,233],"though,":[201],"real":[203],"life,":[204],"up":[208],"25":[210],"seconds":[211],"on":[212],"Ethereum":[213],"public":[214,285],"blockchain.":[215],"also":[219],"costs":[223],"average":[225,236],"$1.95":[227],"deploy":[229],"$0.34":[238],"make":[246],"easy":[248],"identify":[250],"clusters":[251],"contacts":[254],"help":[256],"deliver":[257],"notification":[259],"mass":[261],"isolation":[262],"while":[263,293],"preserving":[264],"individual":[265],"privacy.":[266],"Furthermore,":[267],"understand":[273],"better":[274],"human":[275],"connectivity,":[276],"similar":[278],"other":[279],"spread":[281,290],"network,":[282],"develop":[284],"policies":[286],"COVID-19":[292],"preparing":[294],"future":[296],"epidemics.":[297]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":28},{"year":2022,"cited_by_count":61},{"year":2021,"cited_by_count":104},{"year":2020,"cited_by_count":3}],"updated_date":"2026-03-18T14:38:29.013473","created_date":"2025-10-10T00:00:00"}
