{"id":"https://openalex.org/W4407948347","doi":"https://doi.org/10.1109/tkde.2025.3545958","title":"Next-POI Recommendation via Spatial-Temporal Knowledge Graph Contrastive Learning and Trajectory Prompt","display_name":"Next-POI Recommendation via Spatial-Temporal Knowledge Graph Contrastive Learning and Trajectory Prompt","publication_year":2025,"publication_date":"2025-02-26","ids":{"openalex":"https://openalex.org/W4407948347","doi":"https://doi.org/10.1109/tkde.2025.3545958"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2025.3545958","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2025.3545958","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"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 Knowledge and Data Engineering","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":null,"display_name":"Wei Chen","orcid":"https://orcid.org/0000-0003-4065-9830"},"institutions":[{"id":"https://openalex.org/I5343935","display_name":"Guilin University of Electronic Technology","ror":"https://ror.org/05arjae42","country_code":"CN","type":"education","lineage":["https://openalex.org/I5343935"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wei Chen","raw_affiliation_strings":["Guangxi Key Lab of Trusted Software, Guilin University of Electronic Technology, Guilin, Guangxi, China","Guangxi Key Lab of Trusted Software, Guilin University of Electronic Technology, Guilin, China"],"affiliations":[{"raw_affiliation_string":"Guangxi Key Lab of Trusted Software, Guilin University of Electronic Technology, Guilin, Guangxi, China","institution_ids":["https://openalex.org/I5343935"]},{"raw_affiliation_string":"Guangxi Key Lab of Trusted Software, Guilin University of Electronic Technology, Guilin, China","institution_ids":["https://openalex.org/I5343935"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101965146","display_name":"Haoyu Huang","orcid":"https://orcid.org/0000-0003-2001-5405"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Haoyu Huang","raw_affiliation_strings":["Department of Computer Science and Engineering, Chinese University of Hong Kong, Ma Liu Shui, Hong Kong","Department of Computer Science and Engineering, the Chinese University of Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Chinese University of Hong Kong, Ma Liu Shui, Hong Kong","institution_ids":["https://openalex.org/I177725633"]},{"raw_affiliation_string":"Department of Computer Science and Engineering, the Chinese University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100442950","display_name":"Zhe Zhang","orcid":"https://orcid.org/0000-0001-8407-3167"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiyu Zhang","raw_affiliation_strings":["School of Computer Science and Technology, Beijing Jiaotong University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114706192","display_name":"Tianyi Wang","orcid":"https://orcid.org/0009-0007-7941-209X"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianyi Wang","raw_affiliation_strings":["School of Computer Science and Technology, Beijing Jiaotong University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Youfang Lin","orcid":"https://orcid.org/0000-0002-1611-4323"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Youfang Lin","raw_affiliation_strings":["School of Computer Science and Technology, Beijing Jiaotong University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052987130","display_name":"Liang Chang","orcid":"https://orcid.org/0000-0002-7262-4707"},"institutions":[{"id":"https://openalex.org/I5343935","display_name":"Guilin University of Electronic Technology","ror":"https://ror.org/05arjae42","country_code":"CN","type":"education","lineage":["https://openalex.org/I5343935"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Chang","raw_affiliation_strings":["Guangxi Key Lab of Trusted Software, Guilin University of Electronic Technology, Guilin, Guangxi, China","Guangxi Key Lab of Trusted Software, Guilin University of Electronic Technology, Guilin, China"],"affiliations":[{"raw_affiliation_string":"Guangxi Key Lab of Trusted Software, Guilin University of Electronic Technology, Guilin, Guangxi, China","institution_ids":["https://openalex.org/I5343935"]},{"raw_affiliation_string":"Guangxi Key Lab of Trusted Software, Guilin University of Electronic Technology, Guilin, China","institution_ids":["https://openalex.org/I5343935"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065949777","display_name":"Huaiyu Wan","orcid":"https://orcid.org/0000-0002-0501-9363"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huaiyu Wan","raw_affiliation_strings":["School of Computer Science and Technology, Beijing Jiaotong University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I5343935"],"apc_list":null,"apc_paid":null,"fwci":13.8643,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.99112593,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"37","issue":"6","first_page":"3570","last_page":"3582"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11106","display_name":"Data Management and Algorithms","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10757","display_name":"Geographic Information Systems Studies","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11719","display_name":"Data Quality and Management","score":0.9829999804496765,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8189884424209595},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.4949018359184265},{"id":"https://openalex.org/keywords/knowledge-graph","display_name":"Knowledge graph","score":0.49278953671455383},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.48348528146743774},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4659712314605713},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.20684930682182312}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8189884424209595},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.4949018359184265},{"id":"https://openalex.org/C2987255567","wikidata":"https://www.wikidata.org/wiki/Q33002955","display_name":"Knowledge graph","level":2,"score":0.49278953671455383},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.48348528146743774},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4659712314605713},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.20684930682182312},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tkde.2025.3545958","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2025.3545958","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"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 Knowledge and Data Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8327241554","display_name":null,"funder_award_id":"U22A2099","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8840441106","display_name":null,"funder_award_id":"62272033","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":57,"referenced_works":["https://openalex.org/W1426956448","https://openalex.org/W1587559447","https://openalex.org/W2072609015","https://openalex.org/W2767923185","https://openalex.org/W2788114581","https://openalex.org/W2806031607","https://openalex.org/W2896457183","https://openalex.org/W2945623882","https://openalex.org/W2950635152","https://openalex.org/W2970476646","https://openalex.org/W2998167534","https://openalex.org/W3034646226","https://openalex.org/W3035377849","https://openalex.org/W3040157551","https://openalex.org/W3093030979","https://openalex.org/W3096342154","https://openalex.org/W3128267727","https://openalex.org/W3173301637","https://openalex.org/W3197907940","https://openalex.org/W3199373335","https://openalex.org/W4221157571","https://openalex.org/W4225412853","https://openalex.org/W4283324387","https://openalex.org/W4284668299","https://openalex.org/W4284679298","https://openalex.org/W4285261975","https://openalex.org/W4285602503","https://openalex.org/W4285604184","https://openalex.org/W4290943973","https://openalex.org/W4296591867","https://openalex.org/W4297963447","https://openalex.org/W4304080618","https://openalex.org/W4382239876","https://openalex.org/W4382240016","https://openalex.org/W4384642752","https://openalex.org/W4384643637","https://openalex.org/W4384789416","https://openalex.org/W4384895066","https://openalex.org/W4385245566","https://openalex.org/W4385570457","https://openalex.org/W4386473383","https://openalex.org/W4387848920","https://openalex.org/W4389777839","https://openalex.org/W4393158503","https://openalex.org/W4396712858","https://openalex.org/W4400525641","https://openalex.org/W4400529481","https://openalex.org/W4400910435","https://openalex.org/W4401024732","https://openalex.org/W4403791433","https://openalex.org/W6632885370","https://openalex.org/W6745537798","https://openalex.org/W6760045743","https://openalex.org/W6766978945","https://openalex.org/W6767905578","https://openalex.org/W6776700526","https://openalex.org/W6873693767"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4323768008"],"abstract_inverted_index":{"Next":[0],"POI":[1,137],"(Point-of-Interest)":[2],"recommendation":[3,78],"aims":[4],"to":[5,50,76,94,133,163,183],"forecast":[6],"users\u2019":[7,62],"future":[8],"movements":[9],"based":[10,82,154],"on":[11,83,155,191],"their":[12],"historical":[13],"check-in":[14],"trajectories,":[15],"holding":[16],"significant":[17],"value":[18],"in":[19],"location-based":[20],"services.":[21],"Existing":[22],"methods":[23],"address":[24],"trajectory":[25,56,59,144],"data":[26,57],"sparsity":[27],"by":[28],"integrating":[29],"rich":[30],"auxiliary":[31],"information":[32],"or":[33],"using":[34],"spatial-temporal":[35,63,143],"knowledge":[36,88,96,187],"graphs":[37],"(STKGs),":[38],"showing":[39],"promising":[40],"results.":[41],"Yet,":[42],"they":[43],"face":[44],"two":[45],"main":[46],"challenges:":[47],"i)":[48],"Due":[49],"the":[51,65,95,100,135,159,165,185,203],"difficulty":[52],"of":[53,69,102,161,168],"transforming":[54],"structured":[55,149],"into":[58,151],"text":[60,152],"describing":[61],"mobility,":[64],"powerful":[66],"reasoning":[67],"ability":[68],"pre-trained":[70,125],"language":[71],"models":[72],"is":[73],"rarely":[74],"explored":[75],"enhance":[77,134],"performance.":[79],"ii)":[80],"Methods":[81],"STKG":[84,179],"can":[85],"introduce":[86],"external":[87],"inconsistent":[89],"with":[90],"user":[91],"preferences,":[92],"leading":[93],"noise":[97],"generated":[98],"hampering":[99],"accuracy":[101],"recommendations.":[103],"To":[104],"this":[105],"end,":[106],"we":[107,140,176],"propose":[108,177],"a":[109,142],"novel":[110],"approach":[111],"called":[112],"STKG-PLM":[113,197],"that":[114,147,196],"integrates":[115],"<underline":[116,122,126,129],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[117,123,127,130],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">STKG</u>":[118],"contrastive":[119,180],"learning":[120,181],"and":[121,172],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">p</u>rompt":[124],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">l</u>anguage":[128],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">m</u>odel":[131],"(PLM)":[132],"next":[136],"recommendation.":[138],"Specifically,":[139],"design":[141],"prompt":[145],"template":[146],"transforms":[148],"trajectories":[150],"corpus":[153],"STKG,":[156],"serving":[157],"as":[158],"input":[160],"PLM":[162],"understand":[164],"movement":[166],"pattern":[167],"users":[169],"from":[170],"coarse-grained":[171],"fine-grained":[173],"perspectives.":[174],"Additionally,":[175],"an":[178],"framework":[182],"mitigate":[184],"introduced":[186],"noise.":[188],"Extensive":[189],"experiments":[190],"three":[192],"real-world":[193],"datasets":[194],"demonstrate":[195],"exhibits":[198],"notable":[199],"performance":[200],"improvements":[201],"over":[202],"state-of-the-art":[204],"baseline":[205],"methods.":[206]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":7}],"updated_date":"2026-04-14T08:04:32.555800","created_date":"2025-10-10T00:00:00"}