{"id":"https://openalex.org/W2803541675","doi":"https://doi.org/10.1109/tifs.2018.2837648","title":"Toward Shared Ownership in the Cloud","display_name":"Toward Shared Ownership in the Cloud","publication_year":2018,"publication_date":"2018-05-17","ids":{"openalex":"https://openalex.org/W2803541675","doi":"https://doi.org/10.1109/tifs.2018.2837648","mag":"2803541675"},"language":"en","primary_location":{"id":"doi:10.1109/tifs.2018.2837648","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tifs.2018.2837648","pdf_url":null,"source":{"id":"https://openalex.org/S61310614","display_name":"IEEE Transactions on Information Forensics and Security","issn_l":"1556-6013","issn":["1556-6013","1556-6021"],"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 Transactions on Information Forensics and Security","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://zenodo.org/record/3504579","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5005473892","display_name":"Hubert Ritzdorf","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hubert Ritzdorf","raw_affiliation_strings":["ChainSecurity, Z\u00fcrich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ChainSecurity, Z\u00fcrich, Switzerland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044190947","display_name":"Claudio Soriente","orcid":"https://orcid.org/0000-0002-8215-5457"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Claudio Soriente","raw_affiliation_strings":["NEC Laboratories Europe, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NEC Laboratories Europe, Madrid, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059087800","display_name":"Ghassan Karame","orcid":"https://orcid.org/0000-0002-2828-4071"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ghassan O. Karame","raw_affiliation_strings":["NEC Laboratories Europe, Heidelberg, Germany"],"raw_orcid":"https://orcid.org/0000-0002-2828-4071","affiliations":[{"raw_affiliation_string":"NEC Laboratories Europe, Heidelberg, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109968774","display_name":"Srdjan Marinovic","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Srdjan Marinovic","raw_affiliation_strings":["The Wireless Registry Inc., San Francisco, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Wireless Registry Inc., San Francisco, CA, USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072416324","display_name":"Damian Gruber","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Damian Gruber","raw_affiliation_strings":["NEC Laboratories Europe, Heidelberg, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NEC Laboratories Europe, Heidelberg, Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077290467","display_name":"Sr\u0111jan \u010capkun","orcid":"https://orcid.org/0000-0001-5727-3673"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Srdjan Capkun","raw_affiliation_strings":["ETH Z\u00fcrich, Z\u00fcrich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ETH Z\u00fcrich, Z\u00fcrich, Switzerland","institution_ids":["https://openalex.org/I35440088"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.1294,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.90148779,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"13","issue":"12","first_page":"3019","last_page":"3034"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998000264167786,"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/T11614","display_name":"Cloud Data Security Solutions","score":0.9994999766349792,"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":0.9988999962806702,"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":0.8406655788421631},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.7744803428649902},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.7733698487281799},{"id":"https://openalex.org/keywords/collusion","display_name":"Collusion","score":0.6094810366630554},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.6012076735496521},{"id":"https://openalex.org/keywords/secret-sharing","display_name":"Secret sharing","score":0.536302924156189},{"id":"https://openalex.org/keywords/cloud-storage","display_name":"Cloud storage","score":0.4594825506210327},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.414288729429245},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.34712034463882446},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.23304569721221924},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.16327741742134094},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.0880073606967926}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8406655788421631},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.7744803428649902},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.7733698487281799},{"id":"https://openalex.org/C2781198186","wikidata":"https://www.wikidata.org/wiki/Q701521","display_name":"Collusion","level":2,"score":0.6094810366630554},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.6012076735496521},{"id":"https://openalex.org/C3087436","wikidata":"https://www.wikidata.org/wiki/Q1386603","display_name":"Secret sharing","level":3,"score":0.536302924156189},{"id":"https://openalex.org/C2777059624","wikidata":"https://www.wikidata.org/wiki/Q914359","display_name":"Cloud storage","level":3,"score":0.4594825506210327},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.414288729429245},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.34712034463882446},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.23304569721221924},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.16327741742134094},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0880073606967926},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C40700","wikidata":"https://www.wikidata.org/wiki/Q1411783","display_name":"Industrial organization","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tifs.2018.2837648","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tifs.2018.2837648","pdf_url":null,"source":{"id":"https://openalex.org/S61310614","display_name":"IEEE Transactions on Information Forensics and Security","issn_l":"1556-6013","issn":["1556-6013","1556-6021"],"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 Transactions on Information Forensics and Security","raw_type":"journal-article"},{"id":"pmh:oai:zenodo.org:3504579","is_oa":true,"landing_page_url":"https://zenodo.org/record/3504579","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:3504579","is_oa":true,"landing_page_url":"https://zenodo.org/record/3504579","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"score":0.4099999964237213,"display_name":"Partnerships for the goals","id":"https://metadata.un.org/sdg/17"}],"awards":[{"id":"https://openalex.org/G3531833921","display_name":null,"funder_award_id":"644412","funder_id":"https://openalex.org/F4320332999","funder_display_name":"Horizon 2020 Framework Programme"}],"funders":[{"id":"https://openalex.org/F4320332999","display_name":"Horizon 2020 Framework Programme","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W51265332","https://openalex.org/W1482576848","https://openalex.org/W1534695542","https://openalex.org/W1575126375","https://openalex.org/W1580920982","https://openalex.org/W1682451491","https://openalex.org/W1856491113","https://openalex.org/W1988197844","https://openalex.org/W1991079641","https://openalex.org/W1999333545","https://openalex.org/W2020992910","https://openalex.org/W2033838428","https://openalex.org/W2058897176","https://openalex.org/W2058972589","https://openalex.org/W2095417570","https://openalex.org/W2100265784","https://openalex.org/W2104210894","https://openalex.org/W2114673105","https://openalex.org/W2134623428","https://openalex.org/W2141420453","https://openalex.org/W2145778594","https://openalex.org/W2147524598","https://openalex.org/W2167122335","https://openalex.org/W2167685423","https://openalex.org/W2169348910","https://openalex.org/W2169556792","https://openalex.org/W2231711433","https://openalex.org/W2402578508","https://openalex.org/W2533941064","https://openalex.org/W2807988286","https://openalex.org/W2809548040","https://openalex.org/W2950226614","https://openalex.org/W3023429440","https://openalex.org/W3102845218","https://openalex.org/W4210484371","https://openalex.org/W4211068006","https://openalex.org/W4236944670","https://openalex.org/W4248175462","https://openalex.org/W6628671698","https://openalex.org/W6632147294","https://openalex.org/W6675052998","https://openalex.org/W6713414859","https://openalex.org/W6764000109"],"related_works":["https://openalex.org/W2009938035","https://openalex.org/W3143020802","https://openalex.org/W1491837399","https://openalex.org/W3122232980","https://openalex.org/W2272761499","https://openalex.org/W2363272970","https://openalex.org/W2120306875","https://openalex.org/W1699588379","https://openalex.org/W3143060468","https://openalex.org/W2796974977"],"abstract_inverted_index":{"Cloud":[0],"storage":[1,183],"platforms":[2],"promise":[3],"a":[4,23,46,75,81],"convenient":[5],"way":[6],"for":[7,53],"users":[8],"to":[9,21,37,112,141,155,171,191],"share":[10],"files":[11,20,59],"and":[12,60,108,201],"engage":[13],"in":[14,49,118,136,153,179],"collaborations,":[15],"yet":[16],"they":[17],"require":[18,121],"all":[19,115],"have":[22],"single":[24],"owner":[25,56],"who":[26],"unilaterally":[27],"makes":[28],"access":[29,62,83,116,159,173,184],"control":[30,84,160,174,185],"decisions.":[31],"Existing":[32],"clouds":[33,138],"are,":[34],"thus,":[35],"agnostic":[36],"the":[38,65,119,122,142,150,167,180,196],"notion":[39,76],"of":[40,77,92,124,128,198],"shared":[41,78,95],"ownership.":[42],"This":[43],"can":[44,57,133],"be":[45,134],"significant":[47],"limitation":[48],"much":[50],"collaboration":[51],"because,":[52],"example,":[54],"one":[55],"delete":[58],"revoke":[61],"without":[63,139],"consulting":[64],"other":[66],"collaborators.":[67],"In":[68],"this":[69],"paper,":[70],"we":[71],"first":[72,99],"formally":[73],"define":[74],"ownership":[79,96],"within":[80],"file":[82,106],"model.":[85,97],"We":[86,194],"then":[87],"propose":[88],"two":[89],"possible":[90],"instantiations":[91],"our":[93,199],"proposed":[94],"Our":[98,144],"solution,":[100,146],"called":[101],"Commune,":[102,163],"relies":[103],"on":[104,158],"secure":[105],"dispersal":[107],"collusion-resistant":[109],"secret":[110],"sharing":[111],"ensure":[113],"that":[114,166,176],"grants":[117],"cloud":[120,168],"support":[123],"an":[125],"agreed":[126],"threshold":[127],"owners.":[129],"As":[130],"such,":[131],"Commune":[132],"used":[135],"existing":[137,192],"modifications":[140,190],"platforms.":[143],"second":[145],"dubbed":[147],"Comrade,":[148],"leverages":[149],"blockchain":[151,181],"technology":[152],"order":[154],"reach":[156,177],"consensus":[157,178],"decision.":[161],"Unlike":[162],"Comrade":[164],"requires":[165],"is":[169],"able":[170],"translate":[172],"decisions":[175],"into":[182],"rules,":[186],"thus":[187],"requiring":[188],"minor":[189],"clouds.":[193],"analyze":[195],"security":[197],"proposals":[200],"compare/evaluate":[202],"their":[203],"performance":[204],"through":[205],"implementations":[206],"using":[207],"Amazon":[208],"S3.":[209]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}