{"id":"https://openalex.org/W2130971042","doi":"https://doi.org/10.1145/1456403.1456417","title":"Preserving confidentiality of security policies in data outsourcing","display_name":"Preserving confidentiality of security policies in data outsourcing","publication_year":2008,"publication_date":"2008-10-27","ids":{"openalex":"https://openalex.org/W2130971042","doi":"https://doi.org/10.1145/1456403.1456417","mag":"2130971042"},"language":"en","primary_location":{"id":"doi:10.1145/1456403.1456417","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1456403.1456417","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 7th ACM workshop on Privacy in the electronic society","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/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 di Milano, Crema (CR), Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 di Milano, Crema (CR), 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 di Milano, Crema (CR), Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 di Milano, Crema (CR), 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, USA"],"affiliations":[{"raw_affiliation_string":"George Mason University, Fairfax, VA, USA","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 di Bergamo, Dalmine (BG), Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 di Bergamo, Dalmine (BG), Italy","institution_ids":["https://openalex.org/I11039511"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059940813","display_name":"Gerardo Pelosi","orcid":"https://orcid.org/0000-0002-3812-5429"},"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":"Gerardo Pelosi","raw_affiliation_strings":["Universit\u00e0 di Bergamo, Dalmine (BG), Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 di Bergamo, Dalmine (BG), 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 di Milano, Crema (CR), Italy"],"affiliations":[{"raw_affiliation_string":"Universit\u00e0 di Milano, Crema (CR), Italy","institution_ids":["https://openalex.org/I189158943"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5024313767"],"corresponding_institution_ids":["https://openalex.org/I189158943"],"apc_list":null,"apc_paid":null,"fwci":9.3662,"has_fulltext":false,"cited_by_count":48,"citation_normalized_percentile":{"value":0.97713084,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"75","last_page":"84"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9988999962806702,"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"}},{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.9973000288009644,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.7667614221572876},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7248664498329163},{"id":"https://openalex.org/keywords/outsourcing","display_name":"Outsourcing","score":0.6966296434402466},{"id":"https://openalex.org/keywords/confidentiality","display_name":"Confidentiality","score":0.66893470287323},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.6064704656600952},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.5800212621688843},{"id":"https://openalex.org/keywords/security-token","display_name":"Security token","score":0.5347294807434082},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.5082749724388123},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5010435581207275},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.4943423271179199},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.4630556106567383},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.4439055025577545},{"id":"https://openalex.org/keywords/security-policy","display_name":"Security policy","score":0.42787057161331177},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.3649749159812927},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.2953251898288727},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.22096332907676697}],"concepts":[{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.7667614221572876},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7248664498329163},{"id":"https://openalex.org/C46934059","wikidata":"https://www.wikidata.org/wiki/Q61515","display_name":"Outsourcing","level":2,"score":0.6966296434402466},{"id":"https://openalex.org/C71745522","wikidata":"https://www.wikidata.org/wiki/Q2476929","display_name":"Confidentiality","level":2,"score":0.66893470287323},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.6064704656600952},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.5800212621688843},{"id":"https://openalex.org/C48145219","wikidata":"https://www.wikidata.org/wiki/Q1335365","display_name":"Security token","level":2,"score":0.5347294807434082},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.5082749724388123},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5010435581207275},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.4943423271179199},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.4630556106567383},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.4439055025577545},{"id":"https://openalex.org/C154908896","wikidata":"https://www.wikidata.org/wiki/Q2167404","display_name":"Security policy","level":2,"score":0.42787057161331177},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.3649749159812927},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.2953251898288727},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.22096332907676697},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/1456403.1456417","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1456403.1456417","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 7th ACM workshop on Privacy in the electronic society","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.149.1824","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.149.1824","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/wpes2008.pdf","raw_type":"text"},{"id":"pmh:oai:re.public.polimi.it:11311/573853","is_oa":false,"landing_page_url":"http://dl.acm.org/citation.cfm?doid=1456403.1456417","pdf_url":null,"source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"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/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.8100000023841858}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1486522249","https://openalex.org/W1499220070","https://openalex.org/W1547131737","https://openalex.org/W1560346232","https://openalex.org/W1566967335","https://openalex.org/W1720456290","https://openalex.org/W1965109038","https://openalex.org/W1985022871","https://openalex.org/W1993504147","https://openalex.org/W2037231459","https://openalex.org/W2043508455","https://openalex.org/W2045895261","https://openalex.org/W2075280979","https://openalex.org/W2077097238","https://openalex.org/W2077298707","https://openalex.org/W2080907645","https://openalex.org/W2092251403","https://openalex.org/W2098662896","https://openalex.org/W2108416218","https://openalex.org/W2118326624","https://openalex.org/W2118469945","https://openalex.org/W2119956568","https://openalex.org/W2120846431","https://openalex.org/W2156969606","https://openalex.org/W2162810870","https://openalex.org/W2162966560","https://openalex.org/W2163942291","https://openalex.org/W2171027248","https://openalex.org/W2171820781","https://openalex.org/W6633783865"],"related_works":["https://openalex.org/W2071756184","https://openalex.org/W2393973626","https://openalex.org/W2105261429","https://openalex.org/W2107355607","https://openalex.org/W2012419258","https://openalex.org/W318167434","https://openalex.org/W1482564230","https://openalex.org/W4285408982","https://openalex.org/W2127259385","https://openalex.org/W2004929657"],"abstract_inverted_index":{"Recent":[0],"approaches":[1],"for":[2],"protecting":[3],"information":[4,63],"in":[5],"data":[6,75],"outsourcing":[7],"scenarios":[8],"exploit":[9],"the":[10,21,51,57,65,71,74],"combined":[11],"use":[12],"of":[13,23,41],"access":[14],"control":[15],"and":[16,28],"cryptography.":[17],"In":[18],"this":[19],"context,":[20],"number":[22],"keys":[24],"to":[25,80],"be":[26,33],"distributed":[27],"managed":[29],"by":[30,36,55,70],"users":[31],"can":[32],"maintained":[34],"limited":[35],"using":[37],"a":[38,48],"public":[39,52],"catalog":[40],"tokens":[42],"that":[43],"allow":[44],"key":[45,58],"derivation":[46,59],"along":[47],"hierarchy.":[49],"However,":[50],"token":[53],"catalog,":[54],"expressing":[56],"relationships,":[60],"may":[61,77],"leak":[62],"on":[64],"security":[66],"policies":[67],"(authorizations)":[68],"enforced":[69],"system,":[72],"which":[73],"owner":[76],"instead":[78],"wish":[79],"maintain":[81],"confidential.":[82]},"counts_by_year":[{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":10},{"year":2012,"cited_by_count":8}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}