{"id":"https://openalex.org/W2071940270","doi":"https://doi.org/10.1145/1735886.1735891","title":"Encryption policies for regulating access to outsourced data","display_name":"Encryption policies for regulating access to outsourced data","publication_year":2010,"publication_date":"2010-04-01","ids":{"openalex":"https://openalex.org/W2071940270","doi":"https://doi.org/10.1145/1735886.1735891","mag":"2071940270"},"language":"en","primary_location":{"id":"doi:10.1145/1735886.1735891","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1735886.1735891","pdf_url":null,"source":{"id":"https://openalex.org/S90119964","display_name":"ACM Transactions on Database Systems","issn_l":"0362-5915","issn":["0362-5915","1557-4644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Database Systems","raw_type":"journal-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/A5024313767","display_name":"Sabrina De Capitani di Vimercati","orcid":"https://orcid.org/0000-0003-0793-3551"},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Sabrina De Capitani Di Vimercati","raw_affiliation_strings":["Universit\u00e0 degli Studi di Milano, Crema, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 degli Studi di Milano, Crema, Italy","institution_ids":["https://openalex.org/I189158943"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069907040","display_name":"Sara Foresti","orcid":"https://orcid.org/0000-0002-1658-6734"},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Sara Foresti","raw_affiliation_strings":["Universit\u00e0 degli Studi di Milano, Crema, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 degli Studi di Milano, Crema, Italy","institution_ids":["https://openalex.org/I189158943"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010727123","display_name":"Sushil Jajodia","orcid":"https://orcid.org/0000-0003-3210-558X"},"institutions":[{"id":"https://openalex.org/I162714631","display_name":"George Mason University","ror":"https://ror.org/02jqj7156","country_code":"US","type":"education","lineage":["https://openalex.org/I162714631"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sushil Jajodia","raw_affiliation_strings":["George Mason University, Fairfax, VA"],"affiliations":[{"raw_affiliation_string":"George Mason University, Fairfax, VA","institution_ids":["https://openalex.org/I162714631"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026292704","display_name":"Stefano Paraboschi","orcid":"https://orcid.org/0000-0003-0399-1738"},"institutions":[{"id":"https://openalex.org/I11039511","display_name":"University of Bergamo","ror":"https://ror.org/02mbd5571","country_code":"IT","type":"education","lineage":["https://openalex.org/I11039511"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Stefano Paraboschi","raw_affiliation_strings":["Universit\u00e0 degli Studi di Bergamo, Dalmine, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 degli Studi di Bergamo, Dalmine, Italy","institution_ids":["https://openalex.org/I11039511"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091211008","display_name":"Pierangela Samarati","orcid":"https://orcid.org/0000-0001-7395-4620"},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Pierangela Samarati","raw_affiliation_strings":["Universit\u00e0 degli Studi di Milano, Crema, Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 degli Studi di Milano, Crema, Italy","institution_ids":["https://openalex.org/I189158943"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5024313767"],"corresponding_institution_ids":["https://openalex.org/I189158943"],"apc_list":null,"apc_paid":null,"fwci":21.8778,"has_fulltext":false,"cited_by_count":154,"citation_normalized_percentile":{"value":0.99479465,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":100},"biblio":{"volume":"35","issue":"2","first_page":"1","last_page":"46"},"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/T10927","display_name":"Access Control and Trust","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9986000061035156,"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":0.8372979164123535},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.7432020306587219},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.7349427938461304},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.7252610921859741},{"id":"https://openalex.org/keywords/outsourcing","display_name":"Outsourcing","score":0.6091102957725525},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.547827422618866},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.5001735687255859},{"id":"https://openalex.org/keywords/data-access","display_name":"Data access","score":0.46718931198120117},{"id":"https://openalex.org/keywords/computer-access-control","display_name":"Computer access control","score":0.4612544775009155},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.4259008765220642},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.2901502847671509},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.10538443922996521}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8372979164123535},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.7432020306587219},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.7349427938461304},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.7252610921859741},{"id":"https://openalex.org/C46934059","wikidata":"https://www.wikidata.org/wiki/Q61515","display_name":"Outsourcing","level":2,"score":0.6091102957725525},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.547827422618866},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.5001735687255859},{"id":"https://openalex.org/C47487241","wikidata":"https://www.wikidata.org/wiki/Q5227230","display_name":"Data access","level":2,"score":0.46718931198120117},{"id":"https://openalex.org/C44415380","wikidata":"https://www.wikidata.org/wiki/Q17008721","display_name":"Computer access control","level":3,"score":0.4612544775009155},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.4259008765220642},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.2901502847671509},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.10538443922996521},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/1735886.1735891","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1735886.1735891","pdf_url":null,"source":{"id":"https://openalex.org/S90119964","display_name":"ACM Transactions on Database Systems","issn_l":"0362-5915","issn":["0362-5915","1557-4644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Database Systems","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.188.8537","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.188.8537","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://spdp.dti.unimi.it/papers/tods2010.pdf","raw_type":"text"},{"id":"pmh:oai:aisberg.unibg.it:10446/24768","is_oa":false,"landing_page_url":"http://hdl.handle.net/10446/24768","pdf_url":null,"source":{"id":"https://openalex.org/S4377196347","display_name":"Aisberg (University of Bergamo)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I11039511","host_organization_name":"University of Bergamo","host_organization_lineage":["https://openalex.org/I11039511"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4300000071525574,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G2385964359","display_name":null,"funder_award_id":"216483","funder_id":"https://openalex.org/F4320334960","funder_display_name":"Seventh Framework Programme"},{"id":"https://openalex.org/G3875118669","display_name":null,"funder_award_id":"CT-20013ACT-0716567CT-0716323CT-0627493","funder_id":"https://openalex.org/F4320337388","funder_display_name":"Division of Computer and Network Systems"},{"id":"https://openalex.org/G395274747","display_name":null,"funder_award_id":"FA9550-07-1-0527FA9550-09-1-0421FA9550-08-1-0157","funder_id":"https://openalex.org/F4320338279","funder_display_name":"Air Force Office of Scientific Research"},{"id":"https://openalex.org/G7414876280","display_name":null,"funder_award_id":"W911NF-09-01-0352","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"}],"funders":[{"id":"https://openalex.org/F4320334960","display_name":"Seventh Framework Programme","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320337388","display_name":"Division of Computer and Network Systems","ror":"https://ror.org/02rdzmk74"},{"id":"https://openalex.org/F4320338279","display_name":"Air Force Office of Scientific Research","ror":"https://ror.org/011e9bt93"},{"id":"https://openalex.org/F4320338281","display_name":"Army Research Office","ror":"https://ror.org/05epdh915"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1496386159","https://openalex.org/W1499220070","https://openalex.org/W1500452666","https://openalex.org/W1538267625","https://openalex.org/W1547131737","https://openalex.org/W1560346232","https://openalex.org/W1566967335","https://openalex.org/W1840081982","https://openalex.org/W1967843292","https://openalex.org/W2000133061","https://openalex.org/W2006440641","https://openalex.org/W2031338211","https://openalex.org/W2041835352","https://openalex.org/W2042334369","https://openalex.org/W2042590602","https://openalex.org/W2043508455","https://openalex.org/W2054515545","https://openalex.org/W2061246361","https://openalex.org/W2072412494","https://openalex.org/W2073346043","https://openalex.org/W2075280979","https://openalex.org/W2077097238","https://openalex.org/W2092386728","https://openalex.org/W2114917462","https://openalex.org/W2118326624","https://openalex.org/W2118469945","https://openalex.org/W2119956568","https://openalex.org/W2121750392","https://openalex.org/W2127492972","https://openalex.org/W2130971042","https://openalex.org/W2145805178","https://openalex.org/W2154496743","https://openalex.org/W2154654620","https://openalex.org/W2156823663","https://openalex.org/W2162810870","https://openalex.org/W2168592693","https://openalex.org/W2171027248","https://openalex.org/W2738444131","https://openalex.org/W2770935389","https://openalex.org/W2800633717"],"related_works":["https://openalex.org/W1495119096","https://openalex.org/W2357522001","https://openalex.org/W2546066963","https://openalex.org/W3157043287","https://openalex.org/W2070690242","https://openalex.org/W2110382905","https://openalex.org/W2030860479","https://openalex.org/W2062599910","https://openalex.org/W4248995959","https://openalex.org/W2022399237"],"abstract_inverted_index":{"Current":[0],"access":[1,20,31,63,132,151,163,180,193],"control":[2,32,164,181,194],"models":[3],"typically":[4],"assume":[5],"that":[6,78,173,230,264],"resources":[7],"are":[8,35,52,134],"under":[9],"the":[10,29,70,84,92,99,103,111,114,122,129,139,146,159,162,212,232,238,240,244],"strict":[11],"custody":[12],"of":[13,58,72,121,148,157,214,243],"a":[14,54,170,189,226],"trusted":[15,81],"party":[16],"which":[17],"monitors":[18],"each":[19],"request":[21],"to":[22,61,64,90,127,135,219,235,269],"verify":[23],"if":[24],"it":[25,65],"is":[26,41,267],"compliant":[27],"with":[28,82,119,176,255],"specified":[30],"policy.":[33],"There":[34],"many":[36],"scenarios":[37],"where":[38],"this":[39,97,142],"approach":[40,172,229,266],"becoming":[42],"no":[43],"longer":[44],"adequate.":[45],"Many":[46],"clear":[47],"trends":[48],"in":[49,161,253],"Web":[50],"technology":[51],"creating":[53],"need":[55,156],"for":[56,192],"owners":[57],"sensitive":[59],"information":[60],"manage":[62,271],"by":[66,138],"legitimate":[67],"users":[68,118],"using":[69],"services":[71],"honest":[73],"but":[74,87],"curious":[75],"third":[76],"parties,":[77],"is,":[79],"parties":[80],"providing":[83,249],"required":[85],"service":[86],"not":[88],"authorized":[89],"read":[91],"actual":[93],"data":[94,100,104,115,154,233],"content.":[95],"In":[96,141],"scenario,":[98],"owner":[101,116,160,234],"encrypts":[102],"before":[105],"outsourcing":[106],"and":[107,117,196,216,251],"stores":[108],"them":[109],"at":[110],"server.":[112],"Only":[113],"knowledge":[120],"key":[123],"will":[124],"be":[125,136,203,220],"able":[126,268],"decrypt":[128],"data.":[130],"Possible":[131],"authorizations":[133],"enforced":[137],"owner.":[140],"article,":[143],"we":[144],"address":[145],"problem":[147],"enforcing":[149,179],"selective":[150,183],"on":[152],"outsourced":[153],"without":[155],"involving":[158],"process.":[165],"The":[166,186,222],"solution":[167],"puts":[168],"forward":[169],"novel":[171],"combines":[174],"cryptography":[175],"authorizations,":[177],"thus":[178,248],"via":[182],"encryption":[184,208,228],".":[185],"article":[187,223],"presents":[188],"formal":[190],"model":[191],"management":[195,242],"illustrates":[197],"how":[198],"an":[199,206],"authorization":[200,245],"policy":[201,209,246,256],"can":[202],"translated":[204],"into":[205],"equivalent":[207],"while":[210],"minimizing":[211],"amount":[213],"keys":[215],"cryptographic":[217],"tokens":[218],"managed.":[221],"also":[224,259],"introduces":[225],"two-layer":[227],"allows":[231],"outsource,":[236],"besides":[237],"data,":[239],"complete":[241],"itself,":[247],"efficiency":[250],"scalability":[252],"dealing":[254],"updates.":[257],"We":[258],"discuss":[260],"experimental":[261],"results":[262],"showing":[263],"our":[265],"efficiently":[270],"complex":[272],"scenarios.":[273]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":15},{"year":2016,"cited_by_count":17},{"year":2015,"cited_by_count":16},{"year":2014,"cited_by_count":18},{"year":2013,"cited_by_count":19},{"year":2012,"cited_by_count":15}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}