{"id":"https://openalex.org/W4405182268","doi":"https://doi.org/10.1145/3658644.3690365","title":"Smooth Sensitivity for Geo-Privacy","display_name":"Smooth Sensitivity for Geo-Privacy","publication_year":2024,"publication_date":"2024-12-02","ids":{"openalex":"https://openalex.org/W4405182268","doi":"https://doi.org/10.1145/3658644.3690365"},"language":"en","primary_location":{"id":"doi:10.1145/3658644.3690365","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3658644.3690365","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3658644.3690365","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2024 on ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3658644.3690365","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035389597","display_name":"Yuting Liang","orcid":"https://orcid.org/0000-0001-5102-2304"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Yuting Liang","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009196125","display_name":"Ke Yi","orcid":"https://orcid.org/0000-0002-2178-3716"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ke Yi","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5035389597"],"corresponding_institution_ids":["https://openalex.org/I200769079"],"apc_list":null,"apc_paid":null,"fwci":0.3688,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.70143047,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"333","last_page":"347"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","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/T10764","display_name":"Privacy-Preserving Technologies in Data","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/T10237","display_name":"Cryptography and Data Security","score":0.9649999737739563,"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/T11612","display_name":"Stochastic Gradient Optimization Techniques","score":0.9617000222206116,"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/differential-privacy","display_name":"Differential privacy","score":0.9494258165359497},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.6852906346321106},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.6354290246963501},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5799771547317505},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.539523720741272},{"id":"https://openalex.org/keywords/metric-space","display_name":"Metric space","score":0.4943826198577881},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.4571315050125122},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.45666223764419556},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.4429696798324585},{"id":"https://openalex.org/keywords/information-sensitivity","display_name":"Information sensitivity","score":0.4346478283405304},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.4320175349712372},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.402434766292572},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.29896390438079834},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2888624668121338},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.2725107669830322},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.15308529138565063},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13138550519943237},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.11637455224990845}],"concepts":[{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.9494258165359497},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.6852906346321106},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.6354290246963501},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5799771547317505},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.539523720741272},{"id":"https://openalex.org/C198043062","wikidata":"https://www.wikidata.org/wiki/Q180953","display_name":"Metric space","level":2,"score":0.4943826198577881},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.4571315050125122},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.45666223764419556},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.4429696798324585},{"id":"https://openalex.org/C137822555","wikidata":"https://www.wikidata.org/wiki/Q2587068","display_name":"Information sensitivity","level":2,"score":0.4346478283405304},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.4320175349712372},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.402434766292572},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.29896390438079834},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2888624668121338},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.2725107669830322},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.15308529138565063},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13138550519943237},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.11637455224990845},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","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},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3658644.3690365","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3658644.3690365","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3658644.3690365","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2024 on ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-146543","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-146543","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"}],"best_oa_location":{"id":"doi:10.1145/3658644.3690365","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3658644.3690365","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3658644.3690365","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2024 on ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.6200000047683716}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4405182268.pdf","grobid_xml":"https://content.openalex.org/works/W4405182268.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1658920975","https://openalex.org/W1981029888","https://openalex.org/W2013823004","https://openalex.org/W2032983040","https://openalex.org/W2068703063","https://openalex.org/W2082894754","https://openalex.org/W2101771965","https://openalex.org/W2115242663","https://openalex.org/W2117498733","https://openalex.org/W2123820077","https://openalex.org/W2138865266","https://openalex.org/W2332749851","https://openalex.org/W2612690371","https://openalex.org/W2884738118","https://openalex.org/W2948055046","https://openalex.org/W2963629772","https://openalex.org/W2963881987","https://openalex.org/W2997147031","https://openalex.org/W3017286287","https://openalex.org/W3127697893","https://openalex.org/W3160706494","https://openalex.org/W3177291923","https://openalex.org/W4206037142","https://openalex.org/W4212774754","https://openalex.org/W4281756446","https://openalex.org/W4293385557","https://openalex.org/W4308381126","https://openalex.org/W4379135621","https://openalex.org/W4388858290","https://openalex.org/W6702221777","https://openalex.org/W6962983854"],"related_works":["https://openalex.org/W2019704260","https://openalex.org/W2900631219","https://openalex.org/W4212899026","https://openalex.org/W4390570329","https://openalex.org/W2795052735","https://openalex.org/W2603823019","https://openalex.org/W2758544064","https://openalex.org/W3010824232","https://openalex.org/W4286750579","https://openalex.org/W4300943073"],"abstract_inverted_index":{"Suppose":[0],"each":[1,35],"user":[2,36],"i":[3],"holds":[4],"a":[5,40,45,117,129,173,185],"private":[6],"value":[7],"xi":[8,134],"in":[9,39,48,116],"some":[10,26],"metric":[11,118],"space":[12],"(U,":[13],"dist),":[14],"and":[15,52,172,194,198,207],"an":[16,108],"untrusted":[17],"data":[18,114],"analyst":[19],"wishes":[20],"to":[21,37,79,104,132,152,157,161,203],"compute":[22],"\u03a3i":[23],"f(xi)":[24],"for":[25,87,124,176],"function":[27],"f":[28],":":[29],"U":[30],"->":[31],"R":[32],"by":[33],"asking":[34],"send":[38],"privatized":[41],"f(xi).":[42],"This":[43],"is":[44,60],"fundamental":[46],"problem":[47,67],"privacy-preserving":[49],"population":[50],"analytics,":[51],"the":[53,61,66,91,98,145,162,165,178,205],"local":[54],"model":[55,63],"of":[56,100,112,164,209],"differential":[57],"privacy":[58,115],"(LDP)":[59],"predominant":[62],"under":[64,181],"which":[65,82,127,154],"has":[68],"been":[69],"studied.":[70],"However,":[71,120],"LDP":[72],"requires":[73],"any":[74],"two":[75],"different":[76],"xi,":[77],"x'i":[78],"be":[80,84,102],"\u03b5-distinguishable,":[81],"can":[83],"overly":[85],"strong":[86],"geometric/numerical":[88],"data.":[89],"On":[90],"other":[92],"hand,":[93],"Geo-Privacy":[94],"(GP)":[95],"stipulates":[96],"that":[97],"level":[99],"distinguishability":[101],"proportional":[103],"dist(xi,":[105],"xi'),":[106],"providing":[107],"attractive":[109],"alternative":[110],"notion":[111],"personal":[113],"space.":[119],"existing":[121],"GP":[122,182],"mechanisms":[123],"this":[125,141],"problem,":[126],"add":[128,158],"uniform":[130],"noise":[131,159],"either":[133],"or":[135],"f(xi),":[136],"are":[137],"not":[138],"satisfactory.":[139],"In":[140],"paper,":[142],"we":[143,189],"generalize":[144],"smooth":[146,179,211],"sensitivity":[147,180,212],"framework":[148],"from":[149],"Differential":[150],"Privacy":[151],"Geo-Privacy,":[153],"allows":[155],"us":[156],"tailored":[160],"hardness":[163],"given":[166],"instance.":[167],"We":[168],"provide":[169],"definitions,":[170],"mechanisms,":[171],"generic":[174],"procedure":[175],"computing":[177],"equipped":[183],"with":[184],"general":[186],"metric.":[187],"Then":[188],"present":[190],"three":[191],"applications:":[192],"one-way":[193],"two-way":[195],"threshold":[196],"functions,":[197],"Gaussian":[199],"kernel":[200],"density":[201],"estimation,":[202],"demonstrate":[204],"applicability":[206],"utility":[208],"our":[210],"framework.":[213]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-03-04T09:10:02.777135","created_date":"2025-10-10T00:00:00"}