{"id":"https://openalex.org/W3216447471","doi":"https://doi.org/10.1137/21m1428431","title":"A Logarithmic Lower Bound for Oblivious RAM (For All Parameters)","display_name":"A Logarithmic Lower Bound for Oblivious RAM (For All Parameters)","publication_year":2025,"publication_date":"2025-04-25","ids":{"openalex":"https://openalex.org/W3216447471","doi":"https://doi.org/10.1137/21m1428431","mag":"3216447471"},"language":"en","primary_location":{"id":"doi:10.1137/21m1428431","is_oa":false,"landing_page_url":"https://doi.org/10.1137/21m1428431","pdf_url":null,"source":{"id":"https://openalex.org/S153560523","display_name":"SIAM Journal on Computing","issn_l":"0097-5397","issn":["0097-5397","1095-7111"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Computing","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/A5032483797","display_name":"Ilan Komargodski","orcid":"https://orcid.org/0000-0002-1647-2112"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Ilan Komargodski","raw_affiliation_strings":["School of Computer Science and Engineering, Hebrew University of Jerusalem, 9190401 Jerusalem, Israel, and NTT Research, Sunnyvale, CA 94085 USA"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Hebrew University of Jerusalem, 9190401 Jerusalem, Israel, and NTT Research, Sunnyvale, CA 94085 USA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082730591","display_name":"Wei-Kai Lin","orcid":"https://orcid.org/0000-0001-6012-7124"},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wei-Kai Lin","raw_affiliation_strings":["University of Virginia, Charlottesville, VA USA"],"affiliations":[{"raw_affiliation_string":"University of Virginia, Charlottesville, VA USA","institution_ids":["https://openalex.org/I51556381"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5032483797"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00029009,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"54","issue":"2","first_page":"503","last_page":"544"},"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9968000054359436,"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"}},{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.996399998664856,"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/logarithm","display_name":"Logarithm","score":0.7400545477867126},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.719697117805481},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.7077555060386658},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.6821324229240417},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.6361191272735596},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3913702964782715},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3432774543762207},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.248581200838089},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.061713337898254395}],"concepts":[{"id":"https://openalex.org/C39927690","wikidata":"https://www.wikidata.org/wiki/Q11197","display_name":"Logarithm","level":2,"score":0.7400545477867126},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.719697117805481},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.7077555060386658},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.6821324229240417},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.6361191272735596},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3913702964782715},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3432774543762207},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.248581200838089},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.061713337898254395},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1137/21m1428431","is_oa":false,"landing_page_url":"https://doi.org/10.1137/21m1428431","pdf_url":null,"source":{"id":"https://openalex.org/S153560523","display_name":"SIAM Journal on Computing","issn_l":"0097-5397","issn":["0097-5397","1095-7111"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W1520270249","https://openalex.org/W1568228897","https://openalex.org/W1704895987","https://openalex.org/W1963524245","https://openalex.org/W1988374166","https://openalex.org/W1988508518","https://openalex.org/W1993022201","https://openalex.org/W2000461888","https://openalex.org/W2014465787","https://openalex.org/W2019356824","https://openalex.org/W2038142281","https://openalex.org/W2046441184","https://openalex.org/W2067768229","https://openalex.org/W2089620427","https://openalex.org/W2120202298","https://openalex.org/W2143020967","https://openalex.org/W2154838739","https://openalex.org/W2155720185","https://openalex.org/W2220842785","https://openalex.org/W2294070790","https://openalex.org/W2295522738","https://openalex.org/W2296325326","https://openalex.org/W2591462376","https://openalex.org/W2769094878","https://openalex.org/W2796933658","https://openalex.org/W2809996417","https://openalex.org/W2890213207","https://openalex.org/W2898122202","https://openalex.org/W2902751186","https://openalex.org/W2902857846","https://openalex.org/W2949809737","https://openalex.org/W2963152786","https://openalex.org/W2964250714","https://openalex.org/W2982482487","https://openalex.org/W3048898007","https://openalex.org/W3095329330","https://openalex.org/W3150650777","https://openalex.org/W3202558991","https://openalex.org/W4299360567","https://openalex.org/W4306179313","https://openalex.org/W4365934718"],"related_works":["https://openalex.org/W2943623134","https://openalex.org/W2494523064","https://openalex.org/W2046736294","https://openalex.org/W4401442391","https://openalex.org/W2980815195","https://openalex.org/W2215759665","https://openalex.org/W48199998","https://openalex.org/W2030292806","https://openalex.org/W2960358116","https://openalex.org/W1519526186"],"abstract_inverted_index":{"An":[0],"Oblivious":[1],"RAM":[2,15],"(ORAM),":[3],"introduced":[4],"by":[5],"Goldreich":[6],"and":[7],"Ostrovsky":[8],"(J.":[9],"ACM":[10],"1996),":[11],"is":[12],"a":[13],"(probabilistic)":[14],"that":[16],"hides":[17],"its":[18],"access":[19],"pattern,":[20],"i.e.,":[21],"for":[22],"every":[23],"input":[24],"the":[25,57],"observed":[26],"locations":[27],"accessed":[28],"are":[29],"similarly":[30],"distributed.":[31],"In":[32],"recent":[33],"years":[34],"there":[35],"has":[36],"been":[37],"great":[38],"progress":[39],"both":[40],"in":[41,49,61],"terms":[42,50],"of":[43,51,64],"upper":[44],"bounds":[45],"as":[46,48],"well":[47],"lower":[52],"bounds,":[53],"essentially":[54],"pinning":[55],"down":[56],"smallest":[58],"overhead":[59],"possible":[60],"various":[62],"settings":[63],"parameters.":[65]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}