{"id":"https://openalex.org/W2089777274","doi":"https://doi.org/10.1145/2517488.2517492","title":"Supporting complex queries and access policies for multi-user encrypted databases","display_name":"Supporting complex queries and access policies for multi-user encrypted databases","publication_year":2013,"publication_date":"2013-11-08","ids":{"openalex":"https://openalex.org/W2089777274","doi":"https://doi.org/10.1145/2517488.2517492","mag":"2089777274"},"language":"en","primary_location":{"id":"doi:10.1145/2517488.2517492","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2517488.2517492","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2013 ACM workshop on Cloud computing security workshop","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/A5074245801","display_name":"Muhammad Rizwan Asghar","orcid":"https://orcid.org/0000-0002-9607-376X"},"institutions":[{"id":"https://openalex.org/I4210137476","display_name":"Center for Research and Telecommunication Experimentation for Networked Communities","ror":"https://ror.org/04jyxq429","country_code":"IT","type":"other","lineage":["https://openalex.org/I2277624104","https://openalex.org/I4210137476"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Muhammad Rizwan Asghar","raw_affiliation_strings":["Create-Net, Trento, Italy"],"affiliations":[{"raw_affiliation_string":"Create-Net, Trento, Italy","institution_ids":["https://openalex.org/I4210137476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072751099","display_name":"Giovanni Russello","orcid":"https://orcid.org/0000-0001-6987-0803"},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Giovanni Russello","raw_affiliation_strings":["The University of Auckland, Auckland, New Zealand","The University of Auckland, Auckland, New Zealand ,"],"affiliations":[{"raw_affiliation_string":"The University of Auckland, Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]},{"raw_affiliation_string":"The University of Auckland, Auckland, New Zealand ,","institution_ids":["https://openalex.org/I154130895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076845058","display_name":"Bruno Crispo","orcid":"https://orcid.org/0000-0002-1252-8465"},"institutions":[{"id":"https://openalex.org/I193223587","display_name":"University of Trento","ror":"https://ror.org/05trd4x28","country_code":"IT","type":"education","lineage":["https://openalex.org/I193223587"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Bruno Crispo","raw_affiliation_strings":["University of Trento, Trento, Italy","University of Trento , Trento , Italy"],"affiliations":[{"raw_affiliation_string":"University of Trento, Trento, Italy","institution_ids":["https://openalex.org/I193223587"]},{"raw_affiliation_string":"University of Trento , Trento , Italy","institution_ids":["https://openalex.org/I193223587"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036715960","display_name":"Mihaela Ion","orcid":null},"institutions":[{"id":"https://openalex.org/I193223587","display_name":"University of Trento","ror":"https://ror.org/05trd4x28","country_code":"IT","type":"education","lineage":["https://openalex.org/I193223587"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Mihaela Ion","raw_affiliation_strings":["University of Trento, Trento, Italy","University of Trento , Trento , Italy"],"affiliations":[{"raw_affiliation_string":"University of Trento, Trento, Italy","institution_ids":["https://openalex.org/I193223587"]},{"raw_affiliation_string":"University of Trento , Trento , Italy","institution_ids":["https://openalex.org/I193223587"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5074245801"],"corresponding_institution_ids":["https://openalex.org/I4210137476"],"apc_list":null,"apc_paid":null,"fwci":7.4135,"has_fulltext":false,"cited_by_count":47,"citation_normalized_percentile":{"value":0.9693234,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"77","last_page":"88"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":1.0,"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":1.0,"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/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/T11614","display_name":"Cloud Data Security Solutions","score":0.9934999942779541,"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/computer-science","display_name":"Computer science","score":0.8466582298278809},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.8369882106781006},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.7383205890655518},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.6597453951835632},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.6239129304885864},{"id":"https://openalex.org/keywords/sql","display_name":"SQL","score":0.6113080978393555},{"id":"https://openalex.org/keywords/confidentiality","display_name":"Confidentiality","score":0.43195435404777527},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.41622740030288696},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.08286222815513611}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8466582298278809},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.8369882106781006},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.7383205890655518},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.6597453951835632},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.6239129304885864},{"id":"https://openalex.org/C510870499","wikidata":"https://www.wikidata.org/wiki/Q47607","display_name":"SQL","level":2,"score":0.6113080978393555},{"id":"https://openalex.org/C71745522","wikidata":"https://www.wikidata.org/wiki/Q2476929","display_name":"Confidentiality","level":2,"score":0.43195435404777527},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.41622740030288696},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.08286222815513611}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/2517488.2517492","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2517488.2517492","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2013 ACM workshop on Cloud computing security workshop","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.684.4005","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.684.4005","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.infsec.cs.uni-saarland.de/%7Easghar/papers/asghar13-ccsw.pdf","raw_type":"text"},{"id":"pmh:oai:iris.unitn.it:11572/67396","is_oa":false,"landing_page_url":"http://hdl.handle.net/11572/67396","pdf_url":null,"source":{"id":"https://openalex.org/S4306401913","display_name":"Institutional Research Information System (Universit\u00e0 degli Studi di Trento)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I193223587","host_organization_name":"University of Trento","host_organization_lineage":["https://openalex.org/I193223587"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6399999856948853,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321873","display_name":"Ministero dell\u2019Istruzione, dell\u2019Universit\u00e0 e della Ricerca","ror":"https://ror.org/0166hxq48"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W62209366","https://openalex.org/W1493744513","https://openalex.org/W1495119096","https://openalex.org/W1512194687","https://openalex.org/W1516033050","https://openalex.org/W1517223221","https://openalex.org/W1547131737","https://openalex.org/W1589843374","https://openalex.org/W1596208550","https://openalex.org/W1768601545","https://openalex.org/W1895952394","https://openalex.org/W1992259749","https://openalex.org/W2003500686","https://openalex.org/W2028161339","https://openalex.org/W2038988507","https://openalex.org/W2043508455","https://openalex.org/W2076046175","https://openalex.org/W2101788194","https://openalex.org/W2108072891","https://openalex.org/W2108416218","https://openalex.org/W2116717571","https://openalex.org/W2118326624","https://openalex.org/W2120839853","https://openalex.org/W2131043660","https://openalex.org/W2132172731","https://openalex.org/W2138001464","https://openalex.org/W2144591754","https://openalex.org/W2146828512","https://openalex.org/W2147929033","https://openalex.org/W2150399720","https://openalex.org/W2152516507","https://openalex.org/W2154496743","https://openalex.org/W2159915142","https://openalex.org/W2161214567","https://openalex.org/W2162799363","https://openalex.org/W2163992091","https://openalex.org/W2165589425","https://openalex.org/W2169691038","https://openalex.org/W2520042450","https://openalex.org/W6676385561","https://openalex.org/W6682311248"],"related_works":["https://openalex.org/W4387497383","https://openalex.org/W3183948672","https://openalex.org/W3173606202","https://openalex.org/W3110381201","https://openalex.org/W2948807893","https://openalex.org/W2935909890","https://openalex.org/W2778153218","https://openalex.org/W2758277628","https://openalex.org/W1531601525","https://openalex.org/W2091483479"],"abstract_inverted_index":{"Cloud":[0],"computing":[1],"is":[2,18],"an":[3],"emerging":[4],"paradigm":[5],"offering":[6],"companies":[7],"(virtually)":[8],"unlimited":[9],"data":[10,50,57,75,83,102,142],"storage":[11],"and":[12,28,76,173],"computation":[13],"at":[14],"attractive":[15],"costs.":[16],"It":[17],"a":[19,104],"cost-effective":[20],"model":[21],"because":[22],"it":[23,38],"does":[24],"not":[25,95,160],"require":[26,161],"deployment":[27],"maintenance":[29],"of":[30,46,116,166,180],"any":[31,148],"dedicated":[32],"IT":[33],"infrastructure.":[34],"Despite":[35],"its":[36,175],"benefits,":[37],"introduces":[39],"new":[40,67],"challenges":[41],"for":[42],"protecting":[43],"the":[44,47,63,73,81,89,141,145],"confidentiality":[45],"data.":[48,167],"Sensitive":[49],"like":[51],"medical":[52],"records,":[53],"business":[54],"or":[55,114,156,164],"governmental":[56],"cannot":[58],"be":[59],"stored":[60,143],"unencrypted":[61],"on":[62,122,132,140],"cloud.":[64],"Companies":[65],"need":[66],"mechanisms":[68],"to":[69,72,79,88,111],"control":[70,139],"access":[71,138,154],"outsourced":[74],"allow":[77,96],"users":[78],"query":[80],"encrypted":[82,98,101,124,130,133],"without":[84],"revealing":[85],"sensitive":[86],"information":[87],"cloud":[90],"provider.":[91],"State-of-the-art":[92],"schemes":[93,126],"do":[94,159],"complex":[97],"queries":[99,131],"over":[100],"in":[103,144],"multi-user":[105,123],"setting.":[106],"Instead,":[107],"those":[108],"are":[109],"limited":[110],"keyword":[112],"searches":[113],"conjunctions":[115],"keywords.":[117],"This":[118],"paper":[119],"extends":[120],"work":[121],"search":[125],"by":[127],"supporting":[128],"SQL-like":[129],"databases.":[134],"Furthermore,":[135],"we":[136,169],"introduce":[137],"cloud,":[146],"where":[147],"administrative":[149],"actions":[150],"(such":[151],"as":[152],"updating":[153],"rights":[155],"adding/deleting":[157],"users)":[158],"re-distributing":[162],"keys":[163],"re-encryption":[165],"Finally,":[168],"implemented":[170],"our":[171,181],"scheme":[172],"presented":[174],"performance,":[176],"thus":[177],"showing":[178],"feasibility":[179],"approach.":[182]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":7},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}