{"id":"https://openalex.org/W2132748897","doi":"https://doi.org/10.3233/jcs-2011-0422","title":"Selective data outsourcing for enforcing privacy*","display_name":"Selective data outsourcing for enforcing privacy*","publication_year":2011,"publication_date":"2011-05-30","ids":{"openalex":"https://openalex.org/W2132748897","doi":"https://doi.org/10.3233/jcs-2011-0422","mag":"2132748897"},"language":"en","primary_location":{"id":"doi:10.3233/jcs-2011-0422","is_oa":false,"landing_page_url":"https://doi.org/10.3233/jcs-2011-0422","pdf_url":null,"source":{"id":"https://openalex.org/S106992369","display_name":"Journal of Computer Security","issn_l":"0926-227X","issn":["0926-227X","1875-8924"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computer Security","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/A5076933640","display_name":"Valentina Ciriani","orcid":"https://orcid.org/0000-0002-0469-4201"},"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":"Valentina Ciriani","raw_affiliation_strings":["DTI, Universit\u00e0 degli Studi di Milano, Crema, Italy. E-mail: firstname.lastname@unimi.it"],"affiliations":[{"raw_affiliation_string":"DTI, Universit\u00e0 degli Studi di Milano, Crema, Italy. E-mail: firstname.lastname@unimi.it","institution_ids":["https://openalex.org/I189158943"]}]},{"author_position":"middle","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":false,"raw_author_name":"Sabrina De Capitani di Vimercati","raw_affiliation_strings":["DTI, Universit\u00e0 degli Studi di Milano, Crema, Italy. E-mail: firstname.lastname@unimi.it"],"affiliations":[{"raw_affiliation_string":"DTI, Universit\u00e0 degli Studi di Milano, Crema, Italy. E-mail: firstname.lastname@unimi.it","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":["DTI, Universit\u00e0 degli Studi di Milano, Crema, Italy. E-mail: firstname.lastname@unimi.it"],"affiliations":[{"raw_affiliation_string":"DTI, Universit\u00e0 degli Studi di Milano, Crema, Italy. E-mail: firstname.lastname@unimi.it","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":["CSIS, George Mason University, Fairfax, VA, USA. E-mail: jajodia@gmu.edu"],"affiliations":[{"raw_affiliation_string":"CSIS, George Mason University, Fairfax, VA, USA. E-mail: jajodia@gmu.edu","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":["DIIMM, Universit\u00e0 degli Studi di Bergamo, Dalmine, Italy. E-mail: parabosc@unibg.it"],"affiliations":[{"raw_affiliation_string":"DIIMM, Universit\u00e0 degli Studi di Bergamo, Dalmine, Italy. E-mail: parabosc@unibg.it","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":true,"raw_author_name":"Pierangela Samarati","raw_affiliation_strings":["DTI, Universit\u00e0 degli Studi di Milano, Crema, Italy. E-mail: firstname.lastname@unimi.it"],"affiliations":[{"raw_affiliation_string":"DTI, Universit\u00e0 degli Studi di Milano, Crema, Italy. E-mail: firstname.lastname@unimi.it","institution_ids":["https://openalex.org/I189158943"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5091211008"],"corresponding_institution_ids":["https://openalex.org/I189158943"],"apc_list":null,"apc_paid":null,"fwci":5.2629,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.95574972,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"19","issue":"3","first_page":"531","last_page":"566"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9997000098228455,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9997000098228455,"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/T10237","display_name":"Cryptography and Data Security","score":0.9976000189781189,"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/T11045","display_name":"Privacy, Security, and Data Protection","score":0.9945999979972839,"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/outsourcing","display_name":"Outsourcing","score":0.8720566630363464},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6016920804977417},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5832350850105286},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.5380778908729553},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.5185290575027466},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.32510024309158325}],"concepts":[{"id":"https://openalex.org/C46934059","wikidata":"https://www.wikidata.org/wiki/Q61515","display_name":"Outsourcing","level":2,"score":0.8720566630363464},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6016920804977417},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5832350850105286},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.5380778908729553},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.5185290575027466},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.32510024309158325},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3233/jcs-2011-0422","is_oa":false,"landing_page_url":"https://doi.org/10.3233/jcs-2011-0422","pdf_url":null,"source":{"id":"https://openalex.org/S106992369","display_name":"Journal of Computer Security","issn_l":"0926-227X","issn":["0926-227X","1875-8924"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computer Security","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.228.7029","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.228.7029","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/jcs2011-fragmentation.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.304.153","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.304.153","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/jcs2011-fragmentation.pdf","raw_type":"text"},{"id":"pmh:oai:aisberg.unibg.it:10446/26078","is_oa":false,"landing_page_url":"http://iospress.metapress.com/content/103167/?p=8f26895b4b794142b523b9959bc8b6bc&pi=0","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1495107811","https://openalex.org/W1495624792","https://openalex.org/W1545406293","https://openalex.org/W1553146597","https://openalex.org/W1607140588","https://openalex.org/W1969117892","https://openalex.org/W1975664909","https://openalex.org/W2011039300","https://openalex.org/W2023195086","https://openalex.org/W2035871140","https://openalex.org/W2039795745","https://openalex.org/W2043508455","https://openalex.org/W2076004957","https://openalex.org/W2077097238","https://openalex.org/W2102757197","https://openalex.org/W2107772336","https://openalex.org/W2112101330","https://openalex.org/W2114679600","https://openalex.org/W2117784666","https://openalex.org/W2118326624","https://openalex.org/W2118411009","https://openalex.org/W2119956568","https://openalex.org/W2132177172","https://openalex.org/W2154496743","https://openalex.org/W2162810870","https://openalex.org/W2171027248"],"related_works":["https://openalex.org/W2088328151","https://openalex.org/W3165372770","https://openalex.org/W2080412177","https://openalex.org/W801579661","https://openalex.org/W1972576569","https://openalex.org/W2584827882","https://openalex.org/W3195097297","https://openalex.org/W4225340788","https://openalex.org/W3038106605","https://openalex.org/W2513267613"],"abstract_inverted_index":{"Existing":[0],"approaches":[1],"for":[2,43],"protecting":[3],"sensitive":[4],"information":[5,73],"outsourced":[6],"at":[7,77],"external":[8,79],"\u201chonest-but-curious\u201d":[9],"servers":[10],"are":[11],"typically":[12],"based":[13],"on":[14,26,158],"an":[15],"overlying":[16],"layer":[17],"of":[18,30,66,85,117,138,146,156],"encryption":[19],"applied":[20],"to":[21,57,124,173,190,195],"the":[22,27,59,67,71,75,78,83,91,115,136,154,165,180],"whole":[23],"database,":[24],"or":[25],"combined":[28],"use":[29],"fragmentation":[31,88,120,128,143,193],"and":[32,100,104,160,187],"encryption.":[33,52],"In":[34],"this":[35,107],"paper,":[36],"we":[37,152],"put":[38],"forward":[39],"a":[40,63,87,127,130,140,147,183,192],"novel":[41],"paradigm":[42],"preserving":[44],"privacy":[45],"in":[46,61,74,144],"data":[47],"outsourcing,":[48],"which":[49,94],"departs":[50],"from":[51],"The":[53,133,176],"basic":[54],"idea":[55],"is":[56,95,110,122,188],"involve":[58],"owner":[60],"storing":[62,70],"limited":[64],"portion":[65],"data,":[68],"while":[69],"remaining":[72],"clear":[76],"server.":[80],"We":[81,112],"analyze":[82],"problem":[84,109,137],"computing":[86],"that":[89,106,121,179],"minimizes":[90],"owner's":[92],"workload,":[93],"represented":[96],"using":[97],"different":[98],"metrics":[99],"corresponding":[101],"weight":[102],"functions,":[103],"prove":[105],"minimization":[108],"NP-hard.":[111],"then":[113],"introduce":[114],"definition":[116],"locally":[118,141],"minimal":[119,142],"used":[123],"efficiently":[125],"compute":[126,191],"via":[129],"heuristic":[131],"algorithm.":[132],"algorithm":[134],"translates":[135],"finding":[139],"terms":[145],"hypergraph":[148],"2-coloring":[149],"problem.":[150],"Finally,":[151],"illustrate":[153],"execution":[155],"queries":[157],"fragments":[159],"provide":[161],"experimental":[162],"results":[163],"comparing":[164],"fragmentations":[166],"returned":[167],"by":[168],"our":[169],"heuristics":[170,181],"with":[171],"respect":[172],"optimal":[174],"fragmentations.":[175],"experiments":[177],"show":[178],"guarantees":[182],"low":[184],"computation":[185],"cost":[186],"able":[189],"close":[194],"optimum.":[196]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":4}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
