{"id":"https://openalex.org/W1979088455","doi":"https://doi.org/10.1145/2699026.2699121","title":"Database Fragmentation with Confidentiality Constraints","display_name":"Database Fragmentation with Confidentiality Constraints","publication_year":2015,"publication_date":"2015-02-23","ids":{"openalex":"https://openalex.org/W1979088455","doi":"https://doi.org/10.1145/2699026.2699121","mag":"1979088455"},"language":"en","primary_location":{"id":"doi:10.1145/2699026.2699121","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2699026.2699121","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th ACM Conference on Data and Application Security and Privacy","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/A5080860310","display_name":"Xiaofeng Xu","orcid":"https://orcid.org/0000-0002-3674-199X"},"institutions":[{"id":"https://openalex.org/I150468666","display_name":"Emory University","ror":"https://ror.org/03czfpz43","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Xiaofeng Xu","raw_affiliation_strings":["Emory University, Atlanta, USA"],"affiliations":[{"raw_affiliation_string":"Emory University, Atlanta, USA","institution_ids":["https://openalex.org/I150468666"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078394535","display_name":"Li Xiong","orcid":"https://orcid.org/0000-0001-7354-0428"},"institutions":[{"id":"https://openalex.org/I150468666","display_name":"Emory University","ror":"https://ror.org/03czfpz43","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Li Xiong","raw_affiliation_strings":["Emory University, Atlanta, USA"],"affiliations":[{"raw_affiliation_string":"Emory University, Atlanta, USA","institution_ids":["https://openalex.org/I150468666"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019369952","display_name":"Jinfei Liu","orcid":"https://orcid.org/0000-0003-2921-2827"},"institutions":[{"id":"https://openalex.org/I150468666","display_name":"Emory University","ror":"https://ror.org/03czfpz43","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jinfei Liu","raw_affiliation_strings":["Emory University, Atlanta, USA"],"affiliations":[{"raw_affiliation_string":"Emory University, Atlanta, USA","institution_ids":["https://openalex.org/I150468666"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5080860310"],"corresponding_institution_ids":["https://openalex.org/I150468666"],"apc_list":null,"apc_paid":null,"fwci":2.1572,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.89910695,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"263","last_page":"270"},"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":0.9998999834060669,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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":0.8158475160598755},{"id":"https://openalex.org/keywords/fragmentation","display_name":"Fragmentation (computing)","score":0.6267970204353333},{"id":"https://openalex.org/keywords/outsourcing","display_name":"Outsourcing","score":0.5860400795936584},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.49889373779296875},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.48714587092399597},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3894186317920685},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3640998601913452},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.14317694306373596}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8158475160598755},{"id":"https://openalex.org/C191015642","wikidata":"https://www.wikidata.org/wiki/Q1132459","display_name":"Fragmentation (computing)","level":2,"score":0.6267970204353333},{"id":"https://openalex.org/C46934059","wikidata":"https://www.wikidata.org/wiki/Q61515","display_name":"Outsourcing","level":2,"score":0.5860400795936584},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.49889373779296875},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.48714587092399597},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3894186317920685},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3640998601913452},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.14317694306373596},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2699026.2699121","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2699026.2699121","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th ACM Conference on Data and Application Security and Privacy","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W155670618","https://openalex.org/W1502629466","https://openalex.org/W1506285740","https://openalex.org/W1537286396","https://openalex.org/W1558962159","https://openalex.org/W1839839470","https://openalex.org/W1971286892","https://openalex.org/W1984922849","https://openalex.org/W2031533839","https://openalex.org/W2043113437","https://openalex.org/W2043508455","https://openalex.org/W2076004957","https://openalex.org/W2107772336","https://openalex.org/W2109426455","https://openalex.org/W2116360670","https://openalex.org/W2119067110","https://openalex.org/W2130792723","https://openalex.org/W2134479759","https://openalex.org/W2136720346","https://openalex.org/W2142406320","https://openalex.org/W2147929033","https://openalex.org/W2156030242","https://openalex.org/W2159915142","https://openalex.org/W2161214567","https://openalex.org/W2166166917","https://openalex.org/W2166693103","https://openalex.org/W3022584652","https://openalex.org/W4301329292"],"related_works":["https://openalex.org/W2358200898","https://openalex.org/W2325765407","https://openalex.org/W618293728","https://openalex.org/W2291845669","https://openalex.org/W2788012436","https://openalex.org/W200604156","https://openalex.org/W4231184955","https://openalex.org/W2374784346","https://openalex.org/W4286615217","https://openalex.org/W3154723744"],"abstract_inverted_index":{"Database":[0],"fragmentation":[1,71,77,103],"is":[2,73],"a":[3,40,76,107,127],"promising":[4],"approach":[5,94],"that":[6,53,142],"can":[7],"be":[8],"used":[9],"in":[10,58,65],"combination":[11],"with":[12,78],"encryption":[13],"to":[14,22,27,74],"achieve":[15],"secure":[16],"data":[17,26],"outsourcing":[18],"which":[19,95,133],"allows":[20],"clients":[21],"securely":[23],"outsource":[24],"their":[25],"remote":[28],"untrusted":[29],"server(s)":[30],"while":[31],"enabling":[32],"query":[33,82],"support":[34],"using":[35],"the":[36,48,54,102,115,136],"outsourced":[37],"data.":[38],"Given":[39],"set":[41,55],"of":[42,56],"confidentiality":[43],"constraints,":[44],"it":[45],"vertically":[46],"partitions":[47],"database":[49],"into":[50],"fragments":[51],"such":[52],"attributes":[57],"each":[59],"constraint":[60],"do":[61],"not":[62],"appear":[63],"together":[64],"any":[66],"one":[67],"fragment.":[68],"The":[69],"optimal":[70,98],"problem":[72],"find":[75],"minimum":[79],"cost":[80],"for":[81],"support.":[83],"In":[84],"this":[85],"paper,":[86],"we":[87],"propose":[88,110],"an":[89],"efficient":[90,111],"graph":[91,108,130],"search":[92,104,112,122,137],"based":[93],"obtains":[96],"near":[97],"fragmentation.":[99],"We":[100,117],"model":[101],"space":[105],"as":[106,124,126],"and":[109,120],"algorithms":[113],"on":[114],"graph.":[116],"present":[118],"static":[119],"dynamic":[121],"strategies":[123],"well":[125],"novel":[128],"level-wise":[129],"expansion":[131],"technique":[132],"dramatically":[134],"reduces":[135],"time.":[138],"Extensive":[139],"experiments":[140],"showed":[141],"our":[143],"method":[144],"significantly":[145],"outperforms":[146],"other":[147],"state-of-the-art":[148],"methods.":[149]},"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":4},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}