{"id":"https://openalex.org/W7154145895","doi":"https://doi.org/10.1007/s11227-026-08498-2","title":"Trajectory data privacy protection method based on local differential privacy","display_name":"Trajectory data privacy protection method based on local differential privacy","publication_year":2026,"publication_date":"2026-04-13","ids":{"openalex":"https://openalex.org/W7154145895","doi":"https://doi.org/10.1007/s11227-026-08498-2"},"language":"en","primary_location":{"id":"doi:10.1007/s11227-026-08498-2","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11227-026-08498-2","pdf_url":null,"source":{"id":"https://openalex.org/S32326811","display_name":"The Journal of Supercomputing","issn_l":"0920-8542","issn":["0920-8542","1573-0484"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Supercomputing","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/A5133540543","display_name":"Zhang Lei","orcid":null},"institutions":[{"id":"https://openalex.org/I151893264","display_name":"Jiamusi University","ror":"https://ror.org/01vasff55","country_code":"CN","type":"education","lineage":["https://openalex.org/I151893264"]},{"id":"https://openalex.org/I4210100278","display_name":"Beijing Satellite Navigation Center","ror":"https://ror.org/0188rvx33","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210100278"]},{"id":"https://openalex.org/I4210164133","display_name":"Heilongjiang Academy of Agricultural Machinery Engineering","ror":"https://ror.org/05jca5f53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210164133"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhang Lei","raw_affiliation_strings":["College of Information and Electronic Technology, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","Key Laboratory of Autonomous Intelligence and Information Processing, Jiamusi, 154007, Heilongjiang, China","Key Laboratory of Satellite Navigation Technology and Equipment Engineering Technology, Jiamusi, 154007, Heilongjiang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Technology, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I151893264"]},{"raw_affiliation_string":"Key Laboratory of Autonomous Intelligence and Information Processing, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I4210164133"]},{"raw_affiliation_string":"Key Laboratory of Satellite Navigation Technology and Equipment Engineering Technology, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I4210100278"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133497727","display_name":"Chen Jie","orcid":null},"institutions":[{"id":"https://openalex.org/I151893264","display_name":"Jiamusi University","ror":"https://ror.org/01vasff55","country_code":"CN","type":"education","lineage":["https://openalex.org/I151893264"]},{"id":"https://openalex.org/I4210100278","display_name":"Beijing Satellite Navigation Center","ror":"https://ror.org/0188rvx33","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210100278"]},{"id":"https://openalex.org/I4210164133","display_name":"Heilongjiang Academy of Agricultural Machinery Engineering","ror":"https://ror.org/05jca5f53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210164133"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen Jie","raw_affiliation_strings":["College of Information and Electronic Technology, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","Key Laboratory of Autonomous Intelligence and Information Processing, Jiamusi, 154007, Heilongjiang, China","Key Laboratory of Satellite Navigation Technology and Equipment Engineering Technology, Jiamusi, 154007, Heilongjiang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Technology, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I151893264"]},{"raw_affiliation_string":"Key Laboratory of Autonomous Intelligence and Information Processing, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I4210164133"]},{"raw_affiliation_string":"Key Laboratory of Satellite Navigation Technology and Equipment Engineering Technology, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I4210100278"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133534432","display_name":"Chen Yun","orcid":null},"institutions":[{"id":"https://openalex.org/I151893264","display_name":"Jiamusi University","ror":"https://ror.org/01vasff55","country_code":"CN","type":"education","lineage":["https://openalex.org/I151893264"]},{"id":"https://openalex.org/I4210100278","display_name":"Beijing Satellite Navigation Center","ror":"https://ror.org/0188rvx33","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210100278"]},{"id":"https://openalex.org/I4210164133","display_name":"Heilongjiang Academy of Agricultural Machinery Engineering","ror":"https://ror.org/05jca5f53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210164133"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen Yun","raw_affiliation_strings":["College of Information and Electronic Technology, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","Key Laboratory of Autonomous Intelligence and Information Processing, Jiamusi, 154007, Heilongjiang, China","Key Laboratory of Satellite Navigation Technology and Equipment Engineering Technology, Jiamusi, 154007, Heilongjiang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Technology, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I151893264"]},{"raw_affiliation_string":"Key Laboratory of Autonomous Intelligence and Information Processing, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I4210164133"]},{"raw_affiliation_string":"Key Laboratory of Satellite Navigation Technology and Equipment Engineering Technology, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I4210100278"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5117596348","display_name":"Bai Yongbo","orcid":null},"institutions":[{"id":"https://openalex.org/I151893264","display_name":"Jiamusi University","ror":"https://ror.org/01vasff55","country_code":"CN","type":"education","lineage":["https://openalex.org/I151893264"]},{"id":"https://openalex.org/I4210100278","display_name":"Beijing Satellite Navigation Center","ror":"https://ror.org/0188rvx33","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210100278"]},{"id":"https://openalex.org/I4210164133","display_name":"Heilongjiang Academy of Agricultural Machinery Engineering","ror":"https://ror.org/05jca5f53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210164133"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bai Yongbo","raw_affiliation_strings":["College of Information and Electronic Technology, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","Key Laboratory of Autonomous Intelligence and Information Processing, Jiamusi, 154007, Heilongjiang, China","Key Laboratory of Satellite Navigation Technology and Equipment Engineering Technology, Jiamusi, 154007, Heilongjiang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Technology, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I151893264"]},{"raw_affiliation_string":"Key Laboratory of Autonomous Intelligence and Information Processing, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I4210164133"]},{"raw_affiliation_string":"Key Laboratory of Satellite Navigation Technology and Equipment Engineering Technology, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I4210100278"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5133494529","display_name":"Zhang Yunxiang","orcid":null},"institutions":[{"id":"https://openalex.org/I151893264","display_name":"Jiamusi University","ror":"https://ror.org/01vasff55","country_code":"CN","type":"education","lineage":["https://openalex.org/I151893264"]},{"id":"https://openalex.org/I4210100278","display_name":"Beijing Satellite Navigation Center","ror":"https://ror.org/0188rvx33","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210100278"]},{"id":"https://openalex.org/I4210164133","display_name":"Heilongjiang Academy of Agricultural Machinery Engineering","ror":"https://ror.org/05jca5f53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210164133"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhang Yunxiang","raw_affiliation_strings":["Center for Development Planning and Higher Education Research, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","College of Information and Electronic Technology, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","Key Laboratory of Autonomous Intelligence and Information Processing, Jiamusi, 154007, Heilongjiang, China","Key Laboratory of Satellite Navigation Technology and Equipment Engineering Technology, Jiamusi, 154007, Heilongjiang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Development Planning and Higher Education Research, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I151893264"]},{"raw_affiliation_string":"College of Information and Electronic Technology, Jiamusi University, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I151893264"]},{"raw_affiliation_string":"Key Laboratory of Autonomous Intelligence and Information Processing, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I4210164133"]},{"raw_affiliation_string":"Key Laboratory of Satellite Navigation Technology and Equipment Engineering Technology, Jiamusi, 154007, Heilongjiang, China","institution_ids":["https://openalex.org/I4210100278"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5133494529"],"corresponding_institution_ids":["https://openalex.org/I151893264","https://openalex.org/I4210100278","https://openalex.org/I4210164133"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.42036646,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"82","issue":"5","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.8978000283241272,"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":0.8978000283241272,"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/T14347","display_name":"Big Data and Digital Economy","score":0.01510000042617321,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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":0.00989999994635582,"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":0.9032999873161316},{"id":"https://openalex.org/keywords/privacy-protection","display_name":"Privacy protection","score":0.6909999847412109},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.5565999746322632},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.45399999618530273},{"id":"https://openalex.org/keywords/privacy-software","display_name":"Privacy software","score":0.43860000371932983},{"id":"https://openalex.org/keywords/differential","display_name":"Differential (mechanical device)","score":0.4165000021457672}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.9157000184059143},{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.9032999873161316},{"id":"https://openalex.org/C3017597292","wikidata":"https://www.wikidata.org/wiki/Q25052250","display_name":"Privacy protection","level":2,"score":0.6909999847412109},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.5565999746322632},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.4643999934196472},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.45399999618530273},{"id":"https://openalex.org/C509729295","wikidata":"https://www.wikidata.org/wiki/Q7246032","display_name":"Privacy software","level":3,"score":0.43860000371932983},{"id":"https://openalex.org/C93226319","wikidata":"https://www.wikidata.org/wiki/Q193137","display_name":"Differential (mechanical device)","level":2,"score":0.4165000021457672},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.37119999527931213},{"id":"https://openalex.org/C69360830","wikidata":"https://www.wikidata.org/wiki/Q1172237","display_name":"Data Protection Act 1998","level":2,"score":0.2904999852180481},{"id":"https://openalex.org/C2777706471","wikidata":"https://www.wikidata.org/wiki/Q17061432","display_name":"k-anonymity","level":3,"score":0.2883000075817108},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.258899986743927},{"id":"https://openalex.org/C137822555","wikidata":"https://www.wikidata.org/wiki/Q2587068","display_name":"Information sensitivity","level":2,"score":0.2540000081062317}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s11227-026-08498-2","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11227-026-08498-2","pdf_url":null,"source":{"id":"https://openalex.org/S32326811","display_name":"The Journal of Supercomputing","issn_l":"0920-8542","issn":["0920-8542","1573-0484"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Supercomputing","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":31,"referenced_works":["https://openalex.org/W2010362518","https://openalex.org/W2082894754","https://openalex.org/W2123820077","https://openalex.org/W2142922715","https://openalex.org/W2911978475","https://openalex.org/W2946153995","https://openalex.org/W2950755844","https://openalex.org/W2982630190","https://openalex.org/W2988710876","https://openalex.org/W3000465071","https://openalex.org/W3003710153","https://openalex.org/W3151818090","https://openalex.org/W3152784511","https://openalex.org/W3164920728","https://openalex.org/W3170604354","https://openalex.org/W3175150328","https://openalex.org/W3202042877","https://openalex.org/W4223941852","https://openalex.org/W4249605624","https://openalex.org/W4296819931","https://openalex.org/W4312898770","https://openalex.org/W4377691474","https://openalex.org/W4386920512","https://openalex.org/W4389494297","https://openalex.org/W4390843517","https://openalex.org/W4402099666","https://openalex.org/W4403917953","https://openalex.org/W4405614629","https://openalex.org/W4407861891","https://openalex.org/W4408552825","https://openalex.org/W4411200404"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-15T05:59:14.812645","created_date":"2026-04-14T00:00:00"}