{"id":"https://openalex.org/W4411231986","doi":"https://doi.org/10.1109/tits.2025.3574837","title":"ICST-DNET: An Interpretable Causal Spatio-Temporal Diffusion Network for Traffic Speed Prediction","display_name":"ICST-DNET: An Interpretable Causal Spatio-Temporal Diffusion Network for Traffic Speed Prediction","publication_year":2025,"publication_date":"2025-06-12","ids":{"openalex":"https://openalex.org/W4411231986","doi":"https://doi.org/10.1109/tits.2025.3574837"},"language":"en","primary_location":{"id":"doi:10.1109/tits.2025.3574837","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tits.2025.3574837","pdf_url":null,"source":{"id":"https://openalex.org/S144771191","display_name":"IEEE Transactions on Intelligent Transportation Systems","issn_l":"1524-9050","issn":["1524-9050","1558-0016"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Intelligent Transportation Systems","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/A5014810439","display_name":"Rong Yi","orcid":"https://orcid.org/0009-0002-5194-7707"},"institutions":[{"id":"https://openalex.org/I163340411","display_name":"Hohai University","ror":"https://ror.org/01wd4xt90","country_code":"CN","type":"education","lineage":["https://openalex.org/I163340411"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Rong","raw_affiliation_strings":["College of Computer Science and Software Engineering, Hohai University, Nanjing, China"],"raw_orcid":"https://orcid.org/0009-0002-5194-7707","affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Hohai University, Nanjing, China","institution_ids":["https://openalex.org/I163340411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113881053","display_name":"Yingchi Mao","orcid":"https://orcid.org/0000-0002-9884-8100"},"institutions":[{"id":"https://openalex.org/I163340411","display_name":"Hohai University","ror":"https://ror.org/01wd4xt90","country_code":"CN","type":"education","lineage":["https://openalex.org/I163340411"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingchi Mao","raw_affiliation_strings":["College of Computer Science and Software Engineering, Hohai University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-9884-8100","affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Hohai University, Nanjing, China","institution_ids":["https://openalex.org/I163340411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068961034","display_name":"Yinqiu Liu","orcid":"https://orcid.org/0000-0002-6198-3712"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yinqiu Liu","raw_affiliation_strings":["College of Computing and Data Science, Nanyang Technological University, Nanyang Ave, Singapore","College of Computing and Data Science, Nanyang Technological University, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-6198-3712","affiliations":[{"raw_affiliation_string":"College of Computing and Data Science, Nanyang Technological University, Nanyang Ave, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"College of Computing and Data Science, Nanyang Technological University, Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100411139","display_name":"Ling Chen","orcid":"https://orcid.org/0000-0003-1934-5992"},"institutions":[{"id":"https://openalex.org/I163340411","display_name":"Hohai University","ror":"https://ror.org/01wd4xt90","country_code":"CN","type":"education","lineage":["https://openalex.org/I163340411"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ling Chen","raw_affiliation_strings":["College of Computer Science and Software Engineering, Hohai University, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Hohai University, Nanjing, China","institution_ids":["https://openalex.org/I163340411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068227459","display_name":"Xiaoming He","orcid":"https://orcid.org/0000-0003-4196-3041"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoming He","raw_affiliation_strings":["College of Internet of Things, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-4196-3041","affiliations":[{"raw_affiliation_string":"College of Internet of Things, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054775430","display_name":"Guojian Zou","orcid":"https://orcid.org/0000-0003-3597-6874"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guojian Zou","raw_affiliation_strings":["College of Transportation Engineering, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-3597-6874","affiliations":[{"raw_affiliation_string":"College of Transportation Engineering, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056209905","display_name":"Shahid Mumtaz","orcid":"https://orcid.org/0000-0001-6364-6149"},"institutions":[{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Shahid Mumtaz","raw_affiliation_strings":["Instituto de Telecomunica&#x00E7;&#x00F5;es, Aveiro, Portugal"],"raw_orcid":"https://orcid.org/0000-0001-6364-6149","affiliations":[{"raw_affiliation_string":"Instituto de Telecomunica&#x00E7;&#x00F5;es, Aveiro, Portugal","institution_ids":["https://openalex.org/I4210120471"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091266202","display_name":"Dusit Niyato","orcid":"https://orcid.org/0000-0002-7442-7416"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Dusit Niyato","raw_affiliation_strings":["College of Computing and Data Science, Nanyang Technological University, Nanyang Ave, Singapore","College of Computing and Data Science, Nanyang Technological University, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-7442-7416","affiliations":[{"raw_affiliation_string":"College of Computing and Data Science, Nanyang Technological University, Nanyang Ave, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"College of Computing and Data Science, Nanyang Technological University, Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":0.9449,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.72270593,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"26","issue":"7","first_page":"9781","last_page":"9798"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10320","display_name":"Neural Networks and Applications","score":0.9768000245094299,"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/T10524","display_name":"Traffic control and management","score":0.9517999887466431,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5100317597389221},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4865519106388092},{"id":"https://openalex.org/keywords/diffusion","display_name":"Diffusion","score":0.4833959639072418},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3781210780143738},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10955721139907837}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5100317597389221},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4865519106388092},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.4833959639072418},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3781210780143738},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10955721139907837},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tits.2025.3574837","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tits.2025.3574837","pdf_url":null,"source":{"id":"https://openalex.org/S144771191","display_name":"IEEE Transactions on Intelligent Transportation Systems","issn_l":"1524-9050","issn":["1524-9050","1558-0016"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Intelligent Transportation Systems","raw_type":"journal-article"},{"id":"pmh:oai:dr.ntu.edu.sg:10356/217961","is_oa":false,"landing_page_url":"https://hdl.handle.net/10356/217961","pdf_url":null,"source":{"id":"https://openalex.org/S4306402609","display_name":"DR-NTU (Nanyang Technological University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172675005","host_organization_name":"Nanyang Technological University","host_organization_lineage":["https://openalex.org/I172675005"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7142980474","display_name":null,"funder_award_id":"I2301E0026","funder_id":"https://openalex.org/F4320320696","funder_display_name":"Agency for Science, Technology and Research"}],"funders":[{"id":"https://openalex.org/F4320320696","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W1502922572","https://openalex.org/W2031769050","https://openalex.org/W2064675550","https://openalex.org/W2101668146","https://openalex.org/W2113762408","https://openalex.org/W2127838378","https://openalex.org/W2158107760","https://openalex.org/W2194775991","https://openalex.org/W2392708022","https://openalex.org/W2402072492","https://openalex.org/W2805089611","https://openalex.org/W2808664059","https://openalex.org/W2903871660","https://openalex.org/W2904175658","https://openalex.org/W2910892140","https://openalex.org/W2917322567","https://openalex.org/W2962756421","https://openalex.org/W2965341826","https://openalex.org/W2989285747","https://openalex.org/W2997848713","https://openalex.org/W3080253043","https://openalex.org/W3093761440","https://openalex.org/W3133777397","https://openalex.org/W3207273048","https://openalex.org/W3211858897","https://openalex.org/W4205263657","https://openalex.org/W4313855753","https://openalex.org/W4377971266","https://openalex.org/W4385245566","https://openalex.org/W4386783381","https://openalex.org/W4390492464","https://openalex.org/W4392901695","https://openalex.org/W4393079516","https://openalex.org/W4398186359","https://openalex.org/W4399728019","https://openalex.org/W4399768892","https://openalex.org/W4400813762","https://openalex.org/W4401878764","https://openalex.org/W4402569092","https://openalex.org/W4406207607","https://openalex.org/W6719270105","https://openalex.org/W6746015598","https://openalex.org/W6785773631","https://openalex.org/W6786152982"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2324615561","https://openalex.org/W2086120259","https://openalex.org/W2390279801","https://openalex.org/W2245170124","https://openalex.org/W2076393078","https://openalex.org/W4391913857","https://openalex.org/W2358668433"],"abstract_inverted_index":{"Traffic":[0],"speed":[1,57,81,207,232],"prediction":[2,255],"is":[3,15,123,146,172],"significant":[4],"for":[5,79,226],"intelligent":[6],"navigation":[7],"and":[8,27,50,64,104,135,164,183,261],"congestion":[9],"alleviation.":[10],"However,":[11],"making":[12],"accurate":[13],"predictions":[14],"challenging":[16],"due":[17],"to":[18,112,125,152,174,194,203,205,218,258,263],"three":[19,92],"factors:":[20],"1)":[21],"traffic":[22,33,44,56,80,115,158,185,206,231,240],"diffusion,":[23],"i.e.,":[24],"the":[25,32,40,52,95,114,128,136,154,157,162,176,196,220,228,253],"spatial":[26,137,165,188],"temporal":[28,129,163,177],"causality":[29,130,138,170,178],"existing":[30,248],"between":[31,179],"conditions":[34],"of":[35,43,55,91,156,230],"multiple":[36],"neighboring":[37],"roads,":[38],"2)":[39],"poor":[41],"interpretability":[42,155],"data":[45],"with":[46,223],"complicated":[47],"spatio-temporal":[48],"correlations,":[49],"3)":[51],"latent":[53],"pattern":[54,229],"fluctuations":[58,208],"over":[59],"time,":[60],"such":[61],"as":[62,250],"morning":[63],"evening":[65],"rush.":[66],"Jointly":[67],"considering":[68],"these":[69],"factors,":[70],"in":[71,139,199,209],"this":[72],"paper,":[73],"we":[74,190,212],"present":[75],"a":[76,168,214],"novel":[77],"architecture":[78],"prediction,":[82],"calledInterpretable":[83],"Causal":[84,100],"Spatio-Temporal":[85,96],"Diffusion":[86],"Network(ICST-DNET).":[87],"Specifically,":[88,167],"ICST-DNET":[89,244],"consists":[90],"parts,":[93],"namely":[94],"Causality":[97],"Learning":[98],"(STCL),":[99],"Graph":[101],"Generation":[102],"(CGG),":[103],"Speed":[105],"Fluctuation":[106],"Pattern":[107],"Recognition":[108],"(SFPR)":[109],"modules.":[110],"First,":[111],"model":[113],"diffusion":[116,159,197],"within":[117],"road":[118,134,141,200],"networks,":[119],"an":[120],"STCL":[121,151],"module":[122,145,217],"proposed":[124],"capture":[126],"both":[127],"on":[131,150,237],"each":[132,140,180],"individual":[133],"pair.":[142],"The":[143],"CGG":[144],"then":[147],"developed":[148],"based":[149],"enhance":[153],"procedure":[160],"from":[161],"perspectives.":[166],"time":[169],"matrix":[171],"generated":[173],"explain":[175,259],"road\u2019s":[181],"historical":[182,221],"future":[184],"conditions.":[186],"For":[187],"causality,":[189,260],"utilize":[191],"causal":[192],"graphs":[193],"visualize":[195],"process":[198],"pairs.":[201],"Finally,":[202],"adapt":[204],"different":[210,264],"scenarios,":[211],"design":[213],"personalized":[215],"SFPR":[216],"select":[219],"timesteps":[222],"strong":[224],"influences":[225],"learning":[227],"fluctuations.":[233],"Extensive":[234],"experimental":[235],"results":[236],"two":[238],"real-world":[239],"datasets":[241],"prove":[242],"that":[243],"can":[245],"outperform":[246],"all":[247],"baselines,":[249],"evidenced":[251],"by":[252],"higher":[254],"accuracy,":[256],"ability":[257],"adaptability":[262],"scenarios.":[265]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}
