{"id":"https://openalex.org/W3217469292","doi":"https://doi.org/10.1109/tits.2021.3063199","title":"Detecting Taxi Trajectory Anomaly Based on Spatio-Temporal Relations","display_name":"Detecting Taxi Trajectory Anomaly Based on Spatio-Temporal Relations","publication_year":2021,"publication_date":"2021-03-17","ids":{"openalex":"https://openalex.org/W3217469292","doi":"https://doi.org/10.1109/tits.2021.3063199","mag":"3217469292"},"language":"en","primary_location":{"id":"doi:10.1109/tits.2021.3063199","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tits.2021.3063199","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/A5041333646","display_name":"Shiyou Qian","orcid":"https://orcid.org/0000-0001-7775-1740"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shiyou Qian","raw_affiliation_strings":["Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","Shanghai Institute for Advanced Communication and Data Science, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-7775-1740","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"Shanghai Institute for Advanced Communication and Data Science, Shanghai, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076140322","display_name":"Bin Cheng","orcid":"https://orcid.org/0000-0002-2191-6603"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Cheng","raw_affiliation_strings":["Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100648774","display_name":"Jian Cao","orcid":"https://orcid.org/0000-0002-0036-9436"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Cao","raw_affiliation_strings":["Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","Shanghai Institute for Advanced Communication and Data Science, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-0036-9436","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"Shanghai Institute for Advanced Communication and Data Science, Shanghai, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101490654","display_name":"Guangtao Xue","orcid":"https://orcid.org/0000-0002-1617-3593"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangtao Xue","raw_affiliation_strings":["Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-1617-3593","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081759167","display_name":"Yanmin Zhu","orcid":"https://orcid.org/0000-0001-6406-4992"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanmin Zhu","raw_affiliation_strings":["Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-6406-4992","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012589427","display_name":"Jiadi Yu","orcid":"https://orcid.org/0000-0002-0207-9643"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiadi Yu","raw_affiliation_strings":["Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-0207-9643","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100608808","display_name":"Minglu Li","orcid":"https://orcid.org/0000-0003-1751-9418"},"institutions":[{"id":"https://openalex.org/I135237710","display_name":"Zhejiang Normal University","ror":"https://ror.org/01vevwk45","country_code":"CN","type":"education","lineage":["https://openalex.org/I135237710"]},{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minglu Li","raw_affiliation_strings":["Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","College of Mathematics and Computer Science, Zhejiang Normal University, Zhejiang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"College of Mathematics and Computer Science, Zhejiang Normal University, Zhejiang, China","institution_ids":["https://openalex.org/I135237710"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076310461","display_name":"Tao Zhang","orcid":"https://orcid.org/0000-0002-8440-9924"},"institutions":[{"id":"https://openalex.org/I141962983","display_name":"Shanghai University of Engineering Science","ror":"https://ror.org/0557b9y08","country_code":"CN","type":"education","lineage":["https://openalex.org/I141962983"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao Zhang","raw_affiliation_strings":["Shanghai Institute for Advanced Communication and Data Science, Shanghai, China","School of Computer Engineering and Science, Shanghai University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-8440-9924","affiliations":[{"raw_affiliation_string":"Shanghai Institute for Advanced Communication and Data Science, Shanghai, China","institution_ids":[]},{"raw_affiliation_string":"School of Computer Engineering and Science, Shanghai University, Shanghai, China","institution_ids":["https://openalex.org/I141962983"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.6378,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.8674485,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"23","issue":"7","first_page":"6883","last_page":"6894"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9997000098228455,"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9997000098228455,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9976000189781189,"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"}},{"id":"https://openalex.org/T12205","display_name":"Time Series Analysis and Forecasting","score":0.995199978351593,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/false-positive-paradox","display_name":"False positive paradox","score":0.8298698663711548},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.7362637519836426},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6689138412475586},{"id":"https://openalex.org/keywords/anomaly-detection","display_name":"Anomaly detection","score":0.6404160261154175},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.5661937594413757},{"id":"https://openalex.org/keywords/displacement","display_name":"Displacement (psychology)","score":0.5437511205673218},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.5179473757743835},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.44539666175842285},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.44397449493408203},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.42228731513023376},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3364030122756958},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20060890913009644},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.09226492047309875},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.07632434368133545}],"concepts":[{"id":"https://openalex.org/C64869954","wikidata":"https://www.wikidata.org/wiki/Q1859747","display_name":"False positive paradox","level":2,"score":0.8298698663711548},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.7362637519836426},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6689138412475586},{"id":"https://openalex.org/C739882","wikidata":"https://www.wikidata.org/wiki/Q3560506","display_name":"Anomaly detection","level":2,"score":0.6404160261154175},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.5661937594413757},{"id":"https://openalex.org/C107551265","wikidata":"https://www.wikidata.org/wiki/Q1458245","display_name":"Displacement (psychology)","level":2,"score":0.5437511205673218},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.5179473757743835},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.44539666175842285},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.44397449493408203},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.42228731513023376},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3364030122756958},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20060890913009644},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.09226492047309875},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.07632434368133545},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"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/tits.2021.3063199","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tits.2021.3063199","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1748265143","display_name":null,"funder_award_id":"U1736207","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6020922088","display_name":null,"funder_award_id":"61827810","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6549870016","display_name":"\u4fe1\u4efb\u9a71\u52a8\u7684\u4e91\u670d\u52a1\u81ea\u7ec4\u7ec7\u9009\u62e9\u673a\u5236","funder_award_id":"61702151","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6568096523","display_name":null,"funder_award_id":"2019YFB1704400","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G8310647014","display_name":"\u6570\u636e\u5206\u53d1\u7f51\u7edc\u4e2d\u9762\u5411QoS\u7684\u5185\u5bb9\u5339\u914d\u7b97\u6cd5\u4e0e\u673a\u5236\u7814\u7a76","funder_award_id":"61772334","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/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W197015527","https://openalex.org/W1465304330","https://openalex.org/W1581745374","https://openalex.org/W1968476015","https://openalex.org/W1968701380","https://openalex.org/W2000418517","https://openalex.org/W2031674781","https://openalex.org/W2032706896","https://openalex.org/W2035671253","https://openalex.org/W2046466133","https://openalex.org/W2075364600","https://openalex.org/W2091770595","https://openalex.org/W2097241863","https://openalex.org/W2100330570","https://openalex.org/W2104841477","https://openalex.org/W2107946060","https://openalex.org/W2110413449","https://openalex.org/W2117587045","https://openalex.org/W2135822894","https://openalex.org/W2136975357","https://openalex.org/W2138356292","https://openalex.org/W2138972650","https://openalex.org/W2167538453","https://openalex.org/W2168884627","https://openalex.org/W2293117569","https://openalex.org/W2484357102","https://openalex.org/W2514056879","https://openalex.org/W2726748953","https://openalex.org/W2767297659","https://openalex.org/W2775742549","https://openalex.org/W2775868087","https://openalex.org/W2941833720","https://openalex.org/W4300748104","https://openalex.org/W6631362052","https://openalex.org/W6668990524"],"related_works":["https://openalex.org/W1557094818","https://openalex.org/W2183246718","https://openalex.org/W2099261052","https://openalex.org/W3209204065","https://openalex.org/W4323768008","https://openalex.org/W3131574667","https://openalex.org/W2105707930","https://openalex.org/W4214835788","https://openalex.org/W2891652452","https://openalex.org/W4206552806"],"abstract_inverted_index":{"Researchers":[0],"have":[1],"proposed":[2],"many":[3],"novel":[4],"methods":[5,16],"to":[6,29,46,86,148],"detect":[7],"abnormal":[8,63],"taxi":[9,64,178],"trajectories.":[10,179],"However,":[11],"most":[12],"of":[13,42,144,155,158,172],"the":[14,40,80,83,91,100,103,111,128,142,156],"existing":[15],"usually":[17],"adopt":[18],"a":[19,87],"counting-based":[20,187],"strategy,":[21],"which":[22,126],"may":[23],"cause":[24],"high":[25],"false":[26,195],"positives":[27],"due":[28],"imprecisely":[30],"identifying":[31],"diverse":[32],"trajectories":[33,45],"as":[34,107],"anomalies":[35],"and":[36,53,94,118,132,165,170,205],"therefore,":[37],"they":[38],"need":[39,147],"support":[41],"large-scale":[43],"historical":[44],"work":[47],"properly.":[48],"To":[49,109,136],"improve":[50,137],"detection":[51,66,138],"precision":[52,192],"efficiency,":[54,139],"in":[55,161],"this":[56],"article,":[57],"we":[58],"propose":[59],"STR,":[60],"an":[61],"online":[62,209],"trajectory":[65],"method":[67],"based":[68],"on":[69,176],"spatio-temporal":[70,124],"relations.":[71],"The":[72,168,180],"basic":[73],"principle":[74],"behind":[75],"STR":[76,121,140,173,189,198],"is":[77,105,199,206],"that":[78,146,184],"given":[79],"displacement":[81,131],"from":[82],"source":[84],"point":[85,104],"testing":[88],"point,":[89],"if":[90],"driving":[92,95,116,119,133],"time":[93,117,163],"distance":[96],"are":[97,174],"not":[98],"within":[99],"normal":[101,113],"ranges,":[102],"identified":[106],"anomalous.":[108],"learn":[110],"two":[112,123],"ranges":[114],"for":[115,208],"distance,":[120],"defines":[122],"models":[125,145],"characterize":[127],"relationship":[129],"between":[130],"distance/driving":[134],"time.":[135],"reduces":[141],"number":[143],"be":[149],"learned":[150],"by":[151,193],"making":[152],"full":[153],"use":[154],"similarity":[157],"transportation":[159],"modes":[160],"different":[162],"periods":[164],"neighboring":[166],"areas.":[167],"effectiveness":[169],"performance":[171],"evaluated":[175],"real-world":[177],"experiment":[181],"results":[182],"show":[183],"compared":[185],"with":[186],"methods,":[188],"achieves":[190],"greater":[191],"reducing":[194],"positives.":[196],"Furthermore,":[197],"more":[200],"efficient":[201],"than":[202],"its":[203],"counterparts":[204],"suitable":[207],"detection.":[210]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}