{"id":"https://openalex.org/W2149921703","doi":"https://doi.org/10.1145/2046707.2046781","title":"Privacy and accountability for location-based aggregate statistics","display_name":"Privacy and accountability for location-based aggregate statistics","publication_year":2011,"publication_date":"2011-10-17","ids":{"openalex":"https://openalex.org/W2149921703","doi":"https://doi.org/10.1145/2046707.2046781","mag":"2149921703"},"language":"en","primary_location":{"id":"doi:10.1145/2046707.2046781","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2046707.2046781","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 18th ACM conference on Computer and communications security","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/1721.1/73157","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015782472","display_name":"Raluca Ada Popa","orcid":null},"institutions":[{"id":"https://openalex.org/I4210110987","display_name":"IIT@MIT","ror":"https://ror.org/01wp8zh54","country_code":"US","type":"facility","lineage":["https://openalex.org/I30771326","https://openalex.org/I4210110987"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Raluca Ada Popa","raw_affiliation_strings":["MIT, Cambridge, MA, USA"],"affiliations":[{"raw_affiliation_string":"MIT, Cambridge, MA, USA","institution_ids":["https://openalex.org/I4210110987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108137720","display_name":"Andrew J. Blumberg","orcid":null},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Andrew J. Blumberg","raw_affiliation_strings":["University of Texas, Austin, TX, USA"],"affiliations":[{"raw_affiliation_string":"University of Texas, Austin, TX, USA","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113516878","display_name":"Hari Balakrishnan","orcid":null},"institutions":[{"id":"https://openalex.org/I4210110987","display_name":"IIT@MIT","ror":"https://ror.org/01wp8zh54","country_code":"US","type":"facility","lineage":["https://openalex.org/I30771326","https://openalex.org/I4210110987"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hari Balakrishnan","raw_affiliation_strings":["MIT, Cambridge, MA, USA"],"affiliations":[{"raw_affiliation_string":"MIT, Cambridge, MA, USA","institution_ids":["https://openalex.org/I4210110987"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025121338","display_name":"Frank H. Li","orcid":null},"institutions":[{"id":"https://openalex.org/I4210110987","display_name":"IIT@MIT","ror":"https://ror.org/01wp8zh54","country_code":"US","type":"facility","lineage":["https://openalex.org/I30771326","https://openalex.org/I4210110987"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Frank H. Li","raw_affiliation_strings":["MIT, Cambridge, MA, USA"],"affiliations":[{"raw_affiliation_string":"MIT, Cambridge, MA, USA","institution_ids":["https://openalex.org/I4210110987"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5015782472"],"corresponding_institution_ids":["https://openalex.org/I4210110987"],"apc_list":null,"apc_paid":null,"fwci":10.5243,"has_fulltext":false,"cited_by_count":102,"citation_normalized_percentile":{"value":0.9828476,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"653","last_page":"666"},"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/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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":0.998199999332428,"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/computer-science","display_name":"Computer science","score":0.8190763592720032},{"id":"https://openalex.org/keywords/upload","display_name":"Upload","score":0.7192590832710266},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.5707322955131531},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5545048713684082},{"id":"https://openalex.org/keywords/accountability","display_name":"Accountability","score":0.4150194823741913},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3729415535926819},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.1414395272731781}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8190763592720032},{"id":"https://openalex.org/C71901391","wikidata":"https://www.wikidata.org/wiki/Q7126699","display_name":"Upload","level":2,"score":0.7192590832710266},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.5707322955131531},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5545048713684082},{"id":"https://openalex.org/C2776007630","wikidata":"https://www.wikidata.org/wiki/Q2798912","display_name":"Accountability","level":2,"score":0.4150194823741913},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3729415535926819},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.1414395272731781},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1145/2046707.2046781","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2046707.2046781","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 18th ACM conference on Computer and communications security","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.295.5383","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.295.5383","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://web.mit.edu/ralucap/www/PrivStats.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.307.9075","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.307.9075","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://web.mit.edu/frankli/www/privstats-extended-ccs.pdf","raw_type":"text"},{"id":"pmh:oai:dspace.mit.edu:1721.1/73157","is_oa":true,"landing_page_url":"http://hdl.handle.net/1721.1/73157","pdf_url":null,"source":{"id":"https://openalex.org/S4306400425","display_name":"DSpace@MIT (Massachusetts Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I63966007","host_organization_name":"Massachusetts Institute of Technology","host_organization_lineage":["https://openalex.org/I63966007"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"MIT web domain","raw_type":"http://purl.org/eprint/type/ConferencePaper"}],"best_oa_location":{"id":"pmh:oai:dspace.mit.edu:1721.1/73157","is_oa":true,"landing_page_url":"http://hdl.handle.net/1721.1/73157","pdf_url":null,"source":{"id":"https://openalex.org/S4306400425","display_name":"DSpace@MIT (Massachusetts Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I63966007","host_organization_name":"Massachusetts Institute of Technology","host_organization_lineage":["https://openalex.org/I63966007"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"MIT web domain","raw_type":"http://purl.org/eprint/type/ConferencePaper"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.7400000095367432,"display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G3454547468","display_name":"Collaborative Research: CT-T: Towards a More Accountable Internet","funder_award_id":"0716273","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6234519296","display_name":"CPS:  Medium:  Vehicular Cyber-Physical Systems","funder_award_id":"0931550","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6461487933","display_name":null,"funder_award_id":"931550","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W19911921","https://openalex.org/W25045116","https://openalex.org/W1484557542","https://openalex.org/W1486149278","https://openalex.org/W1494775996","https://openalex.org/W1500077521","https://openalex.org/W1521505907","https://openalex.org/W1581663496","https://openalex.org/W1583821184","https://openalex.org/W1589034595","https://openalex.org/W1646354800","https://openalex.org/W1851031742","https://openalex.org/W1885156594","https://openalex.org/W1895952394","https://openalex.org/W1929168187","https://openalex.org/W2020765652","https://openalex.org/W2056773559","https://openalex.org/W2058710608","https://openalex.org/W2089906613","https://openalex.org/W2102611836","https://openalex.org/W2103839502","https://openalex.org/W2107863397","https://openalex.org/W2109426455","https://openalex.org/W2119566894","https://openalex.org/W2120911939","https://openalex.org/W2126236329","https://openalex.org/W2127963147","https://openalex.org/W2132172731","https://openalex.org/W2133420971","https://openalex.org/W2139650347","https://openalex.org/W2141854027","https://openalex.org/W2144752539","https://openalex.org/W2146673169","https://openalex.org/W2170918595","https://openalex.org/W2224364690","https://openalex.org/W2272053597","https://openalex.org/W2394957549","https://openalex.org/W4285719527","https://openalex.org/W4402355466","https://openalex.org/W6628978588","https://openalex.org/W6631379509","https://openalex.org/W6638983738","https://openalex.org/W6676538461"],"related_works":["https://openalex.org/W2494121465","https://openalex.org/W4377233172","https://openalex.org/W1854749775","https://openalex.org/W4312971597","https://openalex.org/W2129556718","https://openalex.org/W2944823289","https://openalex.org/W1970818898","https://openalex.org/W2350665531","https://openalex.org/W2906160980","https://openalex.org/W2070735207"],"abstract_inverted_index":{"A":[0],"significant":[1,39],"and":[2,18,55,92,117,145,178],"growing":[3],"class":[4],"of":[5,35,50,82,104,128,167],"location-based":[6],"mobile":[7],"applications":[8],"aggregate":[9,20,43,62,161],"position":[10,24],"data":[11,66,119,166,188],"from":[12,133,189,202],"individual":[13],"devices":[14,28],"at":[15,175],"a":[16,58,112,155,159,190],"server":[17,177],"compute":[19],"statistics":[21,63],"over":[22,64,164],"these":[23,27,109],"streams.":[25],"Because":[26],"can":[29],"be":[30],"linked":[31],"to":[32,89,186],"the":[33,42,47,80,90,165,176,179,203],"movement":[34],"individuals,":[36],"there":[37],"is":[38,154],"danger":[40],"that":[41,67,152],"computation":[44],"will":[45],"violate":[46],"location":[48,65,76],"privacy":[49,77],"individuals.":[51],"This":[52],"paper":[53],"develops":[54],"evaluates":[56],"PrivStats,":[57],"system":[59,140],"for":[60,115,135],"computing":[61,158],"simultaneously":[68],"achieves":[69,108],"two":[70],"properties:":[71],"first,":[72],"provable":[73],"guarantees":[74],"on":[75,141,198],"even":[78],"in":[79],"face":[81],"any":[83],"side":[84],"information":[85],"about":[86],"users":[87],"known":[88],"server,":[91],"second,":[93],"privacy-preserving":[94],"accountability":[95],"(i.e.,":[96],"protection":[97],"against":[98],"abusive":[99],"clients":[100,169],"uploading":[101,116],"large":[102],"amounts":[103],"spurious":[105],"data).":[106],"PrivStats":[107,153],"properties":[110],"using":[111],"new":[113],"protocol":[114,130,180],"aggregating":[118],"anonymously":[120],"as":[121,123],"well":[122],"an":[124],"efficient":[125],"zero-knowledge":[126],"proof":[127],"knowledge":[129],"we":[131],"developed":[132],"scratch":[134],"accountability.":[136],"We":[137,193],"implemented":[138],"our":[139,196],"Nexus":[142,191],"One":[143],"smartphones":[144],"commodity":[146],"servers.":[147],"Our":[148],"experimental":[149],"results":[150],"demonstrate":[151],"practical":[156],"system:":[157],"common":[160],"(e.g.,":[162],"count)":[163],"10,000":[168],"takes":[170],"less":[171],"than":[172],"0.46":[173],"s":[174],"has":[181],"modest":[182],"latency":[183],"(0.6":[184],"s)":[185],"upload":[187],"phone.":[192],"also":[194],"validated":[195],"protocols":[197],"real":[199],"driver":[200],"traces":[201],"CarTel":[204],"project.":[205]},"counts_by_year":[{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":12},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":11},{"year":2013,"cited_by_count":10},{"year":2012,"cited_by_count":3}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}
