{"id":"https://openalex.org/W4412802408","doi":"https://doi.org/10.1109/tdsc.2025.3594398","title":"LDPTRec: A Differential Privacy Based Transformer Framework for Next POI Recommendation","display_name":"LDPTRec: A Differential Privacy Based Transformer Framework for Next POI Recommendation","publication_year":2025,"publication_date":"2025-07-31","ids":{"openalex":"https://openalex.org/W4412802408","doi":"https://doi.org/10.1109/tdsc.2025.3594398"},"language":"en","primary_location":{"id":"doi:10.1109/tdsc.2025.3594398","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tdsc.2025.3594398","pdf_url":null,"source":{"id":"https://openalex.org/S133795288","display_name":"IEEE Transactions on Dependable and Secure Computing","issn_l":"1545-5971","issn":["1545-5971","1941-0018","2160-9209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Dependable and Secure 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/A5068262942","display_name":"Yirui Huang","orcid":"https://orcid.org/0000-0001-5425-6333"},"institutions":[{"id":"https://openalex.org/I80947539","display_name":"Fuzhou University","ror":"https://ror.org/011xvna82","country_code":"CN","type":"education","lineage":["https://openalex.org/I80947539"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yirui Huang","raw_affiliation_strings":["College of Computer and Data Science, Fuzhou University, Fuzhou, China"],"raw_orcid":"https://orcid.org/0000-0001-5425-6333","affiliations":[{"raw_affiliation_string":"College of Computer and Data Science, Fuzhou University, Fuzhou, China","institution_ids":["https://openalex.org/I80947539"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058120371","display_name":"Ximeng Liu","orcid":"https://orcid.org/0000-0002-4238-3295"},"institutions":[{"id":"https://openalex.org/I4210145005","display_name":"State Key Laboratory of Vehicle NVH and Safety Technology","ror":"https://ror.org/04e6h1p91","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210145005"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ximeng Liu","raw_affiliation_strings":["State Key Laboratory of Intelligent Vehicle Safety Technology, Chongqing Changan Automobile Company, Ltd., Chongqing, China","State Key Laboratory of Intelligent Vehicle Safety Technology, Chongqing Changan Automobile Co., Ltd., Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0002-4238-3295","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Intelligent Vehicle Safety Technology, Chongqing Changan Automobile Company, Ltd., Chongqing, China","institution_ids":["https://openalex.org/I4210145005"]},{"raw_affiliation_string":"State Key Laboratory of Intelligent Vehicle Safety Technology, Chongqing Changan Automobile Co., Ltd., Chongqing, China","institution_ids":["https://openalex.org/I4210145005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102885964","display_name":"Yinbin Miao","orcid":"https://orcid.org/0000-0001-5437-3572"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yinbin Miao","raw_affiliation_strings":["School of Cyber Engineering, Xidian University, Xi’an, China","School of Cyber Engineering, Xidian University, Shaanix, China"],"raw_orcid":"https://orcid.org/0000-0001-5437-3572","affiliations":[{"raw_affiliation_string":"School of Cyber Engineering, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Cyber Engineering, Xidian University, Shaanix, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001192489","display_name":"Jing Zhang","orcid":"https://orcid.org/0000-0002-0677-3667"},"institutions":[{"id":"https://openalex.org/I83791580","display_name":"Fujian University of Technology","ror":"https://ror.org/03c8fdb16","country_code":"CN","type":"education","lineage":["https://openalex.org/I83791580"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Zhang","raw_affiliation_strings":["School of Computer Science and Mathematics, Fujian Provincial Key Laboratory of Big Data Mining and Applications, Fujian University of Technology, Fuzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-0677-3667","affiliations":[{"raw_affiliation_string":"School of Computer Science and Mathematics, Fujian Provincial Key Laboratory of Big Data Mining and Applications, Fujian University of Technology, Fuzhou, China","institution_ids":["https://openalex.org/I83791580"]}]},{"author_position":"last","author":{"id":null,"display_name":"Dong Cheng","orcid":"https://orcid.org/0000-0002-3923-4707"},"institutions":[{"id":"https://openalex.org/I80947539","display_name":"Fuzhou University","ror":"https://ror.org/011xvna82","country_code":"CN","type":"education","lineage":["https://openalex.org/I80947539"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dong Cheng","raw_affiliation_strings":["College of Computer and Data Science, Fuzhou University, Fuzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-3923-4707","affiliations":[{"raw_affiliation_string":"College of Computer and Data Science, Fuzhou University, Fuzhou, China","institution_ids":["https://openalex.org/I80947539"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.25596896,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"22","issue":"6","first_page":"7043","last_page":"7059"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9312000274658203,"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"}},"topics":[{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9312000274658203,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/differential-privacy","display_name":"Differential privacy","score":0.7835488319396973},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.783270001411438},{"id":"https://openalex.org/keywords/privacy-protection","display_name":"Privacy protection","score":0.4296960234642029},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.38411882519721985},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.36891356110572815},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.32286950945854187},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.24230489134788513}],"concepts":[{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.7835488319396973},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.783270001411438},{"id":"https://openalex.org/C3017597292","wikidata":"https://www.wikidata.org/wiki/Q25052250","display_name":"Privacy protection","level":2,"score":0.4296960234642029},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.38411882519721985},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.36891356110572815},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.32286950945854187},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.24230489134788513}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tdsc.2025.3594398","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tdsc.2025.3594398","pdf_url":null,"source":{"id":"https://openalex.org/S133795288","display_name":"IEEE Transactions on Dependable and Secure Computing","issn_l":"1545-5971","issn":["1545-5971","1941-0018","2160-9209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Dependable and Secure Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1906768943","display_name":null,"funder_award_id":"2025J01380","funder_id":"https://openalex.org/F4320321878","funder_display_name":"Natural Science Foundation of Fujian Province"},{"id":"https://openalex.org/G3291271152","display_name":null,"funder_award_id":"U1804263","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4910714274","display_name":null,"funder_award_id":"2021J06013","funder_id":"https://openalex.org/F4320321878","funder_display_name":"Natural Science Foundation of Fujian Province"},{"id":"https://openalex.org/G979158640","display_name":"\u9762\u5411\u5927\u6570\u636e\u5b89\u5168\u7684\u5bc6\u6001\u6570\u636e\u5904\u7406\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"62072109","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321878","display_name":"Natural Science Foundation of Fujian Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W1981029888","https://openalex.org/W2004703950","https://openalex.org/W2017921654","https://openalex.org/W2086142729","https://openalex.org/W2408569144","https://openalex.org/W2534727297","https://openalex.org/W2595094219","https://openalex.org/W2604438604","https://openalex.org/W2740832655","https://openalex.org/W2996260146","https://openalex.org/W2998167534","https://openalex.org/W3026090244","https://openalex.org/W3034646226","https://openalex.org/W3040157551","https://openalex.org/W3045200674","https://openalex.org/W3045297481","https://openalex.org/W3093741743","https://openalex.org/W3128267727","https://openalex.org/W3197112114","https://openalex.org/W3214714397","https://openalex.org/W4200021079","https://openalex.org/W4224250990","https://openalex.org/W4226159313","https://openalex.org/W4283215419","https://openalex.org/W4284668299","https://openalex.org/W4285215208","https://openalex.org/W4288055597","https://openalex.org/W4293089767","https://openalex.org/W4311626312","https://openalex.org/W4312221876","https://openalex.org/W4313595164","https://openalex.org/W4315644021","https://openalex.org/W4318812521","https://openalex.org/W4319994214","https://openalex.org/W4323350086","https://openalex.org/W4323360978","https://openalex.org/W4323519454","https://openalex.org/W4382239876","https://openalex.org/W4382407475","https://openalex.org/W4386171714","https://openalex.org/W4386473383","https://openalex.org/W4386590851","https://openalex.org/W4387521180","https://openalex.org/W4390619548","https://openalex.org/W4391661645","https://openalex.org/W4394698767","https://openalex.org/W4396736341","https://openalex.org/W4399310949","https://openalex.org/W4408100171"],"related_works":["https://openalex.org/W3010781909","https://openalex.org/W4200233390","https://openalex.org/W4315705624","https://openalex.org/W3116386889","https://openalex.org/W4313218046","https://openalex.org/W2605443953","https://openalex.org/W2943138144","https://openalex.org/W1604340626","https://openalex.org/W3127289135","https://openalex.org/W2953707841"],"abstract_inverted_index":{"Next":[0,59],"Point-of-Interest":[1],"(POI)":[2],"recommendation":[3,36,150,156],"plays":[4],"an":[5],"important":[6],"role":[7],"in":[8],"various":[9],"Location-Based":[10],"Social":[11],"Networks":[12],"(LBSNs).":[13],"It":[14],"main":[15],"objective":[16],"is":[17,63,84,108],"to":[18,93,110],"predict":[19],"the":[20],"user's":[21],"next":[22,34],"interested":[23],"POI":[24,35,60,116],"based":[25],"on":[26,67],"previous":[27],"check-in":[28],"information.":[29],"Most":[30],"existing":[31],"research":[32],"treats":[33],"as":[37,48,50],"a":[38,53],"sequence":[39,76],"prediction":[40],"problem,":[41],"ignoring":[42],"collaborative":[43],"signals":[44],"from":[45],"other":[46],"users":[47,95],"well":[49],"security.":[51],"Instead,":[52],"Differential":[54],"Privacy-based":[55],"Transformer":[56],"Framework":[57],"for":[58],"Recommendation":[61],"(LDPTRec)":[62],"proposed,":[64],"which":[65],"focuses":[66],"dynamic":[68],"privacy":[69,80,92,124],"protection,":[70],"category-specific":[71],"temporal":[72,103,113],"modeling,":[73],"and":[74,97,133,144,158],"privacy-preserving":[75],"integration.":[77],"(1)":[78],"A":[79,101,119],"trajectory":[81],"flow":[82],"graph":[83],"constructed":[85],"by":[86,127],"using":[87],"social-aware":[88],"edge":[89],"local":[90],"differential":[91],"protect":[94],"behavioral":[96],"location":[98],"privacy.":[99],"(2)":[100],"novel":[102],"category-aware":[104],"context":[105],"embedding":[106],"algorithm":[107,121],"designed":[109],"capture":[111],"diverse":[112],"patterns":[114],"of":[115],"categories.":[117],"(3)":[118],"DP-Transformer":[120],"with":[122],"theoretical":[123],"guarantees,":[125],"validated":[126],"experiments":[128,146],"showing":[129],"5.6%":[130],"accuracy":[131],"gains":[132],"35.17%":[134],"lower":[135],"cold-start":[136],"latency.":[137],"Ablation":[138],"studies":[139],"validate":[140],"its":[141,148],"components":[142],"effectiveness,":[143],"time-cost":[145],"confirm":[147],"enhanced":[149],"efficiency.":[151],"Overall,":[152],"LDPTRec":[153],"effectively":[154],"balances":[155],"security":[157],"efficiency":[159],"while":[160],"improving":[161],"accuracy.":[162]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}