{"id":"https://openalex.org/W4393372056","doi":"https://doi.org/10.1109/tkde.2024.3383663","title":"Bootstrapping on Continuous-Time Dynamic Graphs for Crowd Flow Modeling","display_name":"Bootstrapping on Continuous-Time Dynamic Graphs for Crowd Flow Modeling","publication_year":2024,"publication_date":"2024-04-01","ids":{"openalex":"https://openalex.org/W4393372056","doi":"https://doi.org/10.1109/tkde.2024.3383663"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2024.3383663","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2024.3383663","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":"https://openalex.org/A5034521286","display_name":"Yi Xu","orcid":"https://orcid.org/0000-0002-5259-2875"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Xu","raw_affiliation_strings":["State Key Laboratory of Complex and Critical Software Environment (CCSE), Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5259-2875","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex and Critical Software Environment (CCSE), Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000608590","display_name":"Liangzhe Han","orcid":"https://orcid.org/0000-0002-1989-8231"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liangzhe Han","raw_affiliation_strings":["State Key Laboratory of Complex and Critical Software Environment (CCSE), Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-1989-8231","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex and Critical Software Environment (CCSE), Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081275566","display_name":"Leilei Sun","orcid":"https://orcid.org/0000-0002-0157-1716"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Leilei Sun","raw_affiliation_strings":["State Key Laboratory of Complex and Critical Software Environment (CCSE), Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-0157-1716","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex and Critical Software Environment (CCSE), Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053487836","display_name":"Bowen Du","orcid":"https://orcid.org/0000-0003-0975-2367"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bowen Du","raw_affiliation_strings":["State Key Laboratory of Complex and Critical Software Environment (CCSE), Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-0975-2367","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex and Critical Software Environment (CCSE), Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033864788","display_name":"Chuanren Liu","orcid":"https://orcid.org/0000-0001-9030-8495"},"institutions":[{"id":"https://openalex.org/I75027704","display_name":"University of Tennessee at Knoxville","ror":"https://ror.org/020f3ap87","country_code":"US","type":"education","lineage":["https://openalex.org/I75027704"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chuanren Liu","raw_affiliation_strings":["Department of Business Analytics and Statistics, University of Tennessee, Knoxville, TN, USA"],"raw_orcid":"https://orcid.org/0000-0001-9030-8495","affiliations":[{"raw_affiliation_string":"Department of Business Analytics and Statistics, University of Tennessee, Knoxville, TN, USA","institution_ids":["https://openalex.org/I75027704"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101862104","display_name":"Hui Xiong","orcid":"https://orcid.org/0000-0001-6016-6465"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hui Xiong","raw_affiliation_strings":["Hong Kong University of Science and Technology (Guangzhou) Thrust of Artificial Intelligence Nansha, Guangzhou, China","Department of Computer Science and Engineering, Hong Kong University of Science and Technology, China"],"raw_orcid":"https://orcid.org/0000-0001-6016-6465","affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology (Guangzhou) Thrust of Artificial Intelligence Nansha, Guangzhou, China","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Computer Science and Engineering, Hong Kong University of Science and Technology, China","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.245,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.75007268,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"36","issue":"10","first_page":"5039","last_page":"5052"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T11500","display_name":"Evacuation and Crowd Dynamics","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social 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":0.8138331174850464},{"id":"https://openalex.org/keywords/bootstrapping","display_name":"Bootstrapping (finance)","score":0.6762076020240784},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.38002529740333557},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09857091307640076},{"id":"https://openalex.org/keywords/econometrics","display_name":"Econometrics","score":0.09672418236732483}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8138331174850464},{"id":"https://openalex.org/C207609745","wikidata":"https://www.wikidata.org/wiki/Q4944086","display_name":"Bootstrapping (finance)","level":2,"score":0.6762076020240784},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.38002529740333557},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09857091307640076},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.09672418236732483}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tkde.2024.3383663","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2024.3383663","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"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-144946","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-144946","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"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":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1920964487","display_name":null,"funder_award_id":"YWF-23-L-1203","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G5264141711","display_name":null,"funder_award_id":"62394332","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7502749798","display_name":null,"funder_award_id":"62272023","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/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":55,"referenced_works":["https://openalex.org/W2064675550","https://openalex.org/W2528639018","https://openalex.org/W2756203131","https://openalex.org/W2788134583","https://openalex.org/W2792764867","https://openalex.org/W2798918712","https://openalex.org/W2809128166","https://openalex.org/W2809623940","https://openalex.org/W2903871660","https://openalex.org/W2904813135","https://openalex.org/W2945726694","https://openalex.org/W2946160394","https://openalex.org/W2949732208","https://openalex.org/W2952734551","https://openalex.org/W2962790412","https://openalex.org/W2965341826","https://openalex.org/W2965683718","https://openalex.org/W2965725760","https://openalex.org/W2973229164","https://openalex.org/W2997848713","https://openalex.org/W3029978369","https://openalex.org/W3035524453","https://openalex.org/W3035725276","https://openalex.org/W3035739162","https://openalex.org/W3080253043","https://openalex.org/W3094231942","https://openalex.org/W3103720336","https://openalex.org/W3108897154","https://openalex.org/W3171007011","https://openalex.org/W3176075655","https://openalex.org/W3177146402","https://openalex.org/W3181215716","https://openalex.org/W4226182778","https://openalex.org/W4283770265","https://openalex.org/W4283796586","https://openalex.org/W4285601728","https://openalex.org/W4287328627","https://openalex.org/W4287755062","https://openalex.org/W4293508715","https://openalex.org/W4294170691","https://openalex.org/W4306317966","https://openalex.org/W4311079930","https://openalex.org/W4312703862","https://openalex.org/W4385296393","https://openalex.org/W4399647672","https://openalex.org/W6746015598","https://openalex.org/W6749825310","https://openalex.org/W6757831817","https://openalex.org/W6762931180","https://openalex.org/W6771247989","https://openalex.org/W6779860234","https://openalex.org/W6780221082","https://openalex.org/W6803716805","https://openalex.org/W6803865595","https://openalex.org/W6810007534"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W1534274833","https://openalex.org/W3117246195","https://openalex.org/W156620619","https://openalex.org/W2616249226","https://openalex.org/W2098233217","https://openalex.org/W2914363205","https://openalex.org/W2997844990","https://openalex.org/W1598221548"],"abstract_inverted_index":{"Numerous":[0],"spatial-temporal":[1],"learning":[2,88,162,234],"methods":[3,26],"have":[4,52],"been":[5,53],"proposed":[6,176,226],"for":[7,138,200,233],"crowd":[8,42,75],"flow":[9,43,76],"modeling,":[10],"which":[11,222],"is":[12,142,175],"an":[13,197],"important":[14],"problem":[15],"in":[16,32,152],"Intelligent":[17],"Transportation":[18],"Systems":[19],"(ITS).":[20],"However,":[21],"most":[22],"of":[23,41,74,122,132,182],"the":[24,46,105,108,120,123,129,150,159,179,186,192,225,229],"existing":[25],"were":[27],"designed":[28,143],"to":[29,36,62,118,144,163,177],"use":[30],"data":[31,169],"one":[33,38],"specific":[34],"form":[35],"solve":[37],"particular":[39],"task":[40],"modeling":[44,93],"and":[45,148,156],"shared":[47],"patterns":[48],"among":[49],"different":[50],"tasks":[51,73],"largely":[54],"ignored.":[55],"In":[56,104],"this":[57,79],"paper,":[58],"we":[59,81],"investigate":[60],"how":[61],"learn":[63,196],"generic":[64],"node":[65,160,188,236],"representations":[66,121,189],"that":[67,210,224],"can":[68,195,213],"simultaneously":[69],"support":[70],"various":[71],"downstream":[72,202,220],"modeling.":[77],"Along":[78],"line,":[80],"develop":[82],"a":[83,98,135,153,167],"continuous-time":[84,109,139,172],"dynamic":[85,110,140,173],"graph":[86],"representation":[87,161],"method":[89,227],"based":[90],"onBootstrapping":[91],"forCrowdFlow":[92],"(BootCF).":[94],"Our":[95],"approach":[96,212],"follows":[97],"training":[99],"procedure":[100],"with":[101,114],"two":[102,206],"phases.":[103],"pre-training":[106,146],"phase,":[107],"encoder":[111],"converts":[112],"edges":[113],"timestamps":[115],"into":[116],"messages":[117],"update":[119,149],"related":[124],"traffic":[125],"nodes.":[126],"Inspired":[127],"by":[128],"recent":[130],"progress":[131],"contrastive":[133],"learning,":[134],"bootstrapping":[136],"framework":[137],"graphs":[141,174],"calculate":[145],"loss":[147],"model":[151,199],"self-supervised":[154],"way,":[155],"thus":[157],"enabling":[158],"be":[164],"task-agnostic.":[165],"Moreover,":[166],"context-aware":[168],"augmentation":[170],"on":[171,205,218],"generate":[178],"augmented":[180],"view":[181],"input":[183],"data.":[184],"Once":[185],"general":[187],"are":[190],"obtained,":[191],"second":[193],"phase":[194],"effective":[198],"any":[201],"task.":[203],"Experiments":[204],"real-world":[207],"datasets":[208],"show":[209],"our":[211],"achieve":[214],"significant":[215],"performance":[216],"gain":[217],"four":[219],"tasks,":[221],"demonstrates":[223],"has":[228],"powerful":[230],"generalization":[231],"capability":[232],"task-agnostic":[235],"representations.":[237]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}