{"id":"https://openalex.org/W2953101969","doi":"https://doi.org/10.1137/1.9781611973099.14","title":"Privacy-Preserving Group Data Access via Stateless Oblivious RAM Simulation","display_name":"Privacy-Preserving Group Data Access via Stateless Oblivious RAM Simulation","publication_year":2012,"publication_date":"2012-01-17","ids":{"openalex":"https://openalex.org/W2953101969","doi":"https://doi.org/10.1137/1.9781611973099.14","mag":"2953101969"},"language":"en","primary_location":{"id":"doi:10.1137/1.9781611973099.14","is_oa":false,"landing_page_url":"https://doi.org/10.1137/1.9781611973099.14","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Twenty-Third Annual ACM-SIAM Symposium on Discrete Algorithms","raw_type":"proceedings-article"},"type":"conference-paper","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/A5034971300","display_name":"Michael T. Goodrich","orcid":"https://orcid.org/0000-0002-8943-191X"},"institutions":[{"id":"https://openalex.org/I175594653","display_name":"John Brown University","ror":"https://ror.org/02ct41q97","country_code":"US","type":"education","lineage":["https://openalex.org/I175594653"]},{"id":"https://openalex.org/I204250578","display_name":"University of California, Irvine","ror":"https://ror.org/04gyf1771","country_code":"US","type":"education","lineage":["https://openalex.org/I204250578"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael T. Goodrich","raw_affiliation_strings":["Dept. of Computer Science, University of California, Irvine.Dept. of Computer Science, Harvard UniversityDept. of Computer Science, Brown UniversityDept. of Computer Science, Brown University","Dept. of Computer Science University of California, Irvine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, University of California, Irvine.Dept. of Computer Science, Harvard UniversityDept. of Computer Science, Brown UniversityDept. of Computer Science, Brown University","institution_ids":["https://openalex.org/I175594653"]},{"raw_affiliation_string":"Dept. of Computer Science University of California, Irvine","institution_ids":["https://openalex.org/I204250578"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062318856","display_name":"Michael Mitzenmacher","orcid":"https://orcid.org/0000-0001-5430-5457"},"institutions":[{"id":"https://openalex.org/I175594653","display_name":"John Brown University","ror":"https://ror.org/02ct41q97","country_code":"US","type":"education","lineage":["https://openalex.org/I175594653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael Mitzenmacher","raw_affiliation_strings":["Dept. of Computer Science, University of California, Irvine.Dept. of Computer Science, Harvard UniversityDept. of Computer Science, Brown UniversityDept. of Computer Science, Brown University","Dept. of Computer Science Harvard University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, University of California, Irvine.Dept. of Computer Science, Harvard UniversityDept. of Computer Science, Brown UniversityDept. of Computer Science, Brown University","institution_ids":["https://openalex.org/I175594653"]},{"raw_affiliation_string":"Dept. of Computer Science Harvard University","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011082117","display_name":"Olga Ohrimenko","orcid":"https://orcid.org/0000-0002-9735-0538"},"institutions":[{"id":"https://openalex.org/I175594653","display_name":"John Brown University","ror":"https://ror.org/02ct41q97","country_code":"US","type":"education","lineage":["https://openalex.org/I175594653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Olga Ohrimenko","raw_affiliation_strings":["Dept. of Computer Science, University of California, Irvine.Dept. of Computer Science, Harvard UniversityDept. of Computer Science, Brown UniversityDept. of Computer Science, Brown University","Dept. of Computer Science Brown University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, University of California, Irvine.Dept. of Computer Science, Harvard UniversityDept. of Computer Science, Brown UniversityDept. of Computer Science, Brown University","institution_ids":["https://openalex.org/I175594653"]},{"raw_affiliation_string":"Dept. of Computer Science Brown University","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079716343","display_name":"Roberto Tamassia","orcid":"https://orcid.org/0000-0003-2445-6064"},"institutions":[{"id":"https://openalex.org/I175594653","display_name":"John Brown University","ror":"https://ror.org/02ct41q97","country_code":"US","type":"education","lineage":["https://openalex.org/I175594653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Roberto Tamassia","raw_affiliation_strings":["Dept. of Computer Science, University of California, Irvine.Dept. of Computer Science, Harvard UniversityDept. of Computer Science, Brown UniversityDept. of Computer Science, Brown University","Dept. of Computer Science Brown University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, University of California, Irvine.Dept. of Computer Science, Harvard UniversityDept. of Computer Science, Brown UniversityDept. of Computer Science, Brown University","institution_ids":["https://openalex.org/I175594653"]},{"raw_affiliation_string":"Dept. of Computer Science Brown University","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":122,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"157","last_page":"167"},"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":0.9994000196456909,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9962000250816345,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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":0.7293466329574585},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.46819695830345154},{"id":"https://openalex.org/keywords/stateless-protocol","display_name":"Stateless protocol","score":0.43960827589035034},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.17993086576461792},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.07707813382148743}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7293466329574585},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.46819695830345154},{"id":"https://openalex.org/C103613024","wikidata":"https://www.wikidata.org/wiki/Q230924","display_name":"Stateless protocol","level":3,"score":0.43960827589035034},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.17993086576461792},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.07707813382148743},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1137/1.9781611973099.14","is_oa":false,"landing_page_url":"https://doi.org/10.1137/1.9781611973099.14","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Twenty-Third Annual ACM-SIAM Symposium on Discrete Algorithms","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":34,"referenced_works":["https://openalex.org/W53122509","https://openalex.org/W73629738","https://openalex.org/W1483444214","https://openalex.org/W1513903516","https://openalex.org/W1565007622","https://openalex.org/W1568101057","https://openalex.org/W1595295153","https://openalex.org/W1595409123","https://openalex.org/W1704895987","https://openalex.org/W1782876448","https://openalex.org/W1945549020","https://openalex.org/W1988374166","https://openalex.org/W2027471022","https://openalex.org/W2037357643","https://openalex.org/W2043266636","https://openalex.org/W2045717693","https://openalex.org/W2048702750","https://openalex.org/W2052267638","https://openalex.org/W2054711061","https://openalex.org/W2054995322","https://openalex.org/W2067883080","https://openalex.org/W2082801123","https://openalex.org/W2090921949","https://openalex.org/W2097755092","https://openalex.org/W2167394920","https://openalex.org/W2340006107","https://openalex.org/W2400956147","https://openalex.org/W2622132947","https://openalex.org/W2752885492","https://openalex.org/W2753176400","https://openalex.org/W2912601938","https://openalex.org/W2949869114","https://openalex.org/W3198160809","https://openalex.org/W4249958171"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W3040374273","https://openalex.org/W2955572513","https://openalex.org/W4360604845","https://openalex.org/W151293476","https://openalex.org/W2036359834","https://openalex.org/W2116712504","https://openalex.org/W3130948357","https://openalex.org/W2806284780","https://openalex.org/W4231088008"],"abstract_inverted_index":{"Motivated":[0],"by":[1],"cloud":[2],"computing":[3],"applications,":[4],"we":[5,177],"study":[6],"the":[7,52,92,183,194],"problem":[8],"of":[9,22,37,54,76,100,125,136,157,169],"providing":[10],"privacy-preserving":[11,31],"access":[12,33,65,95,119,158],"to":[13,28,96,197],"an":[14],"outsourced":[15],"honest-but-curious":[16],"data":[17,32,43,55,118],"repository":[18],"for":[19,67,103,152],"a":[20,35,59,69,74,80,97,133,143,166],"group":[21],"trusted":[23],"users.":[24],"We":[25,57,89,160],"show":[26,178],"how":[27],"achieve":[29],"efficient":[30],"using":[34,79],"combination":[36],"probabilistic":[38],"encryption,":[39],"which":[40,50],"directly":[41],"hides":[42,51],"values,":[44],"and":[45,129],"stateless":[46,153],"oblivious":[47],"RAM":[48,70],"simulation,":[49],"pattern":[53],"accesses.":[56],"give":[58],"method":[60,147],"with":[61,85],"O(log":[62],"n)":[63],"amortized":[64],"overhead":[66,195],"simulating":[68],"algorithm":[71],"that":[72,82,91,140,179],"has":[73,94],"memory":[75],"size":[77,101],"n,":[78],"scheme":[81],"is":[83,130],"data-oblivious":[84],"very":[86],"high":[87],"probability.":[88],"assume":[90],"simulation":[93,122,191],"private":[98],"workspace":[99],"O(nv),":[102],"any":[104],"given":[105],"fixed":[106],"constant":[107],"v":[108],">":[109],"0,":[110],"but":[111],"does":[112],"not":[113],"maintain":[114],"state":[115],"in":[116,155,189],"between":[117],"requests.":[120],"Our":[121],"makes":[123],"use":[124],"pseudorandom":[126,186],"hash":[127,138,187],"functions":[128,188],"based":[131],"on":[132,185],"novel":[134],"hierarchy":[135],"cuckoo":[137],"tables":[139],"all":[141,149],"share":[142],"common":[144],"stash.":[145],"The":[146],"outperforms":[148],"previous":[150],"techniques":[151],"clients":[154],"terms":[156],"overhead.":[159],"also":[161],"provide":[162],"experimental":[163],"results":[164],"from":[165],"prototype":[167],"implementation":[168],"our":[170,190],"scheme,":[171],"showing":[172],"its":[173],"practicality.":[174],"In":[175],"addition,":[176],"one":[180],"can":[181],"eliminate":[182],"dependence":[184],"while":[192],"having":[193],"rise":[196],"be":[198],"O(log2":[199],"n).":[200]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":11},{"year":2018,"cited_by_count":12},{"year":2017,"cited_by_count":14},{"year":2016,"cited_by_count":19},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":9},{"year":2013,"cited_by_count":12}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}