{"id":"https://openalex.org/W2068177306","doi":"https://doi.org/10.1145/2484838.2484846","title":"Publishing trajectories with differential privacy guarantees","display_name":"Publishing trajectories with differential privacy guarantees","publication_year":2013,"publication_date":"2013-07-29","ids":{"openalex":"https://openalex.org/W2068177306","doi":"https://doi.org/10.1145/2484838.2484846","mag":"2068177306"},"language":"en","primary_location":{"id":"doi:10.1145/2484838.2484846","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2484838.2484846","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 25th International Conference on Scientific and Statistical Database Management","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/A5013984645","display_name":"Kaifeng Jiang","orcid":"https://orcid.org/0000-0001-8742-6132"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Kaifeng Jiang","raw_affiliation_strings":["National University of Singapore"],"affiliations":[{"raw_affiliation_string":"National University of Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034039980","display_name":"Dongxu Shao","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Dongxu Shao","raw_affiliation_strings":["National University of Singapore"],"affiliations":[{"raw_affiliation_string":"National University of Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025922937","display_name":"St\u00e9phane Bressan","orcid":"https://orcid.org/0000-0001-5536-3296"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"St\u00e9phane Bressan","raw_affiliation_strings":["National University of Singapore"],"affiliations":[{"raw_affiliation_string":"National University of Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039678124","display_name":"Thomas Kister","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Thomas Kister","raw_affiliation_strings":["National University of Singapore"],"affiliations":[{"raw_affiliation_string":"National University of Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077593594","display_name":"Kian\u2010Lee Tan","orcid":"https://orcid.org/0000-0001-9315-4057"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Kian-Lee Tan","raw_affiliation_strings":["National University of Singapore"],"affiliations":[{"raw_affiliation_string":"National University of Singapore","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5013984645"],"corresponding_institution_ids":["https://openalex.org/I165932596"],"apc_list":null,"apc_paid":null,"fwci":6.427,"has_fulltext":false,"cited_by_count":94,"citation_normalized_percentile":{"value":0.96321637,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"12"},"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":0.9950000047683716,"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":0.98580002784729,"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/trajectory","display_name":"Trajectory","score":0.8694091439247131},{"id":"https://openalex.org/keywords/differential-privacy","display_name":"Differential privacy","score":0.8055410385131836},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7526036500930786},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.752166748046875},{"id":"https://openalex.org/keywords/publication","display_name":"Publication","score":0.6986831426620483},{"id":"https://openalex.org/keywords/data-publishing","display_name":"Data publishing","score":0.6913860440254211},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6010891795158386},{"id":"https://openalex.org/keywords/publishing","display_name":"Publishing","score":0.4120686948299408},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3019323945045471},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.2167358100414276},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.07584786415100098}],"concepts":[{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.8694091439247131},{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.8055410385131836},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7526036500930786},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.752166748046875},{"id":"https://openalex.org/C41458344","wikidata":"https://www.wikidata.org/wiki/Q732577","display_name":"Publication","level":2,"score":0.6986831426620483},{"id":"https://openalex.org/C2781396290","wikidata":"https://www.wikidata.org/wiki/Q17051824","display_name":"Data publishing","level":3,"score":0.6913860440254211},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6010891795158386},{"id":"https://openalex.org/C151719136","wikidata":"https://www.wikidata.org/wiki/Q3972943","display_name":"Publishing","level":2,"score":0.4120686948299408},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3019323945045471},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2167358100414276},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.07584786415100098},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C112698675","wikidata":"https://www.wikidata.org/wiki/Q37038","display_name":"Advertising","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"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/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2484838.2484846","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2484838.2484846","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 25th International Conference on Scientific and Statistical Database Management","raw_type":"proceedings-article"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/78307","is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/78307","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6296141314","display_name":null,"funder_award_id":"R-702-000-005-305, R-252-000-433-305","funder_id":"https://openalex.org/F4320334971","funder_display_name":"Science and Engineering Research Council"}],"funders":[{"id":"https://openalex.org/F4320334971","display_name":"Science and Engineering Research Council","ror":"https://ror.org/00zgdb249"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W44899178","https://openalex.org/W146900863","https://openalex.org/W173622546","https://openalex.org/W1557833142","https://openalex.org/W1564148078","https://openalex.org/W1593517648","https://openalex.org/W1873763122","https://openalex.org/W1985310469","https://openalex.org/W1993116423","https://openalex.org/W2010362518","https://openalex.org/W2018345399","https://openalex.org/W2065846791","https://openalex.org/W2074402031","https://openalex.org/W2080201182","https://openalex.org/W2101771965","https://openalex.org/W2110868467","https://openalex.org/W2112380340","https://openalex.org/W2129428954","https://openalex.org/W2135930857","https://openalex.org/W2158723612","https://openalex.org/W2159024459","https://openalex.org/W2169570643","https://openalex.org/W2595993238","https://openalex.org/W2911978475","https://openalex.org/W3000584766","https://openalex.org/W6676639149"],"related_works":["https://openalex.org/W2923234599","https://openalex.org/W4249566367","https://openalex.org/W2530948548","https://openalex.org/W2961912854","https://openalex.org/W4312385560","https://openalex.org/W2353413375","https://openalex.org/W4389458176","https://openalex.org/W2915559073","https://openalex.org/W2767328025","https://openalex.org/W3094463742"],"abstract_inverted_index":{"The":[0],"pervasiveness":[1],"of":[2,14,40,71,77,102,154],"location-acquisition":[3],"technologies":[4],"has":[5,20],"made":[6],"it":[7,19],"possible":[8,134],"to":[9,21,25,53,56,68,74,81,130],"collect":[10],"the":[11,38,45,72,78,82,99,132],"movement":[12],"data":[13,43],"individuals":[15],"or":[16,80],"vehicles.":[17],"However,":[18,85],"be":[22,62],"carefully":[23],"managed":[24],"ensure":[26],"that":[27,144,152],"there":[28],"is":[29,52,117],"no":[30],"privacy":[31,47],"breach.":[32],"In":[33],"this":[34,60],"paper,":[35],"we":[36],"investigate":[37],"problem":[39],"publishing":[41],"trajectory":[42,58],"under":[44],"differential":[46],"model.":[48],"A":[49],"straightforward":[50],"solution":[51],"add":[54],"noise":[55,67],"a":[57,108,122],"-":[59],"can":[61,148],"done":[63],"either":[64],"by":[65],"adding":[66],"each":[69,75,128],"coordinate":[70],"position,":[73],"position":[76,129],"trajectory,":[79],"whole":[83],"trajectory.":[84],"such":[86],"naive":[87],"approaches":[88],"result":[89],"in":[90],"trajectories":[91,101,142,151],"with":[92],"zigzag":[93],"shapes":[94],"and":[95,114,125],"many":[96],"crossings,":[97],"making":[98],"published":[100],"little":[103],"practical":[104,156],"use.":[105],"We":[106],"introduce":[107],"mechanism":[109,147],"called":[110],"SDD":[111,120],"(Sampling":[112],"Distance":[113],"Direction),":[115],"which":[116],"\u03b5-differentially":[118],"private.":[119],"samples":[121],"suitable":[123],"direction":[124],"distance":[126],"at":[127],"publish":[131],"next":[133],"position.":[135],"Numerical":[136],"experiments":[137],"conducted":[138],"on":[139],"real":[140],"ship":[141,150],"demonstrate":[143],"our":[145],"proposed":[146],"deliver":[149],"are":[153],"good":[155],"utility.":[157]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":15},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":12},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":3}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}