{"id":"https://openalex.org/W1969536546","doi":"https://doi.org/10.1109/tmc.2014.2318692","title":"Discovering Phase Timing Information of Traffic Light Systems by Stop-Go Shockwaves","display_name":"Discovering Phase Timing Information of Traffic Light Systems by Stop-Go Shockwaves","publication_year":2014,"publication_date":"2014-04-18","ids":{"openalex":"https://openalex.org/W1969536546","doi":"https://doi.org/10.1109/tmc.2014.2318692","mag":"1969536546"},"language":"en","primary_location":{"id":"doi:10.1109/tmc.2014.2318692","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmc.2014.2318692","pdf_url":null,"source":{"id":"https://openalex.org/S69141925","display_name":"IEEE Transactions on Mobile Computing","issn_l":"1536-1233","issn":["1536-1233","1558-0660","2161-9875"],"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 Mobile 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/A5110561517","display_name":"Yi\u2010Ta Chuang","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Yi-Ta Chuang","raw_affiliation_strings":["Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu City, Taiwan","Department of Computer Science , National Chiao Tung University , 1001 University Road , Hsinchu City , Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu City, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Computer Science , National Chiao Tung University , 1001 University Road , Hsinchu City , Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111428778","display_name":"Chih\u2010Wei Yi","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chih-Wei Yi","raw_affiliation_strings":["Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu City, Taiwan","Department of Computer Science , National Chiao Tung University , 1001 University Road , Hsinchu City , Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu City, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Computer Science , National Chiao Tung University , 1001 University Road , Hsinchu City , Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047638290","display_name":"Yu\u2010Chee Tseng","orcid":"https://orcid.org/0000-0001-6551-0720"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yu-Chee Tseng","raw_affiliation_strings":["Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu City, Taiwan","Department of Computer Science , National Chiao Tung University , 1001 University Road , Hsinchu City , Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu City, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Computer Science , National Chiao Tung University , 1001 University Road , Hsinchu City , Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065702258","display_name":"Chia-Sheng Nian","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chia-Sheng Nian","raw_affiliation_strings":["Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu City, Taiwan","Department of Computer Science , National Chiao Tung University , 1001 University Road , Hsinchu City , Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu City, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Computer Science , National Chiao Tung University , 1001 University Road , Hsinchu City , Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043227298","display_name":"Chia-Hao Ching","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chia-Hao Ching","raw_affiliation_strings":["Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu City, Taiwan","Department of Computer Science , National Chiao Tung University , 1001 University Road , Hsinchu City , Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu City, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Computer Science , National Chiao Tung University , 1001 University Road , Hsinchu City , Taiwan","institution_ids":["https://openalex.org/I148366613"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5110561517"],"corresponding_institution_ids":["https://openalex.org/I148366613"],"apc_list":null,"apc_paid":null,"fwci":2.4608,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.89221077,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"14","issue":"1","first_page":"58","last_page":"71"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","score":0.9983000159263611,"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"}},"topics":[{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","score":0.9983000159263611,"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"}},{"id":"https://openalex.org/T10698","display_name":"Transportation Planning and Optimization","score":0.9970999956130981,"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/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.9968000054359436,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/crowdsourcing","display_name":"Crowdsourcing","score":0.7120568156242371},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5542235374450684},{"id":"https://openalex.org/keywords/traffic-signal","display_name":"Traffic signal","score":0.5300253033638},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37591877579689026},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.2856782078742981}],"concepts":[{"id":"https://openalex.org/C62230096","wikidata":"https://www.wikidata.org/wiki/Q275969","display_name":"Crowdsourcing","level":2,"score":0.7120568156242371},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5542235374450684},{"id":"https://openalex.org/C2987419075","wikidata":"https://www.wikidata.org/wiki/Q8004","display_name":"Traffic signal","level":2,"score":0.5300253033638},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37591877579689026},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2856782078742981},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmc.2014.2318692","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmc.2014.2318692","pdf_url":null,"source":{"id":"https://openalex.org/S69141925","display_name":"IEEE Transactions on Mobile Computing","issn_l":"1536-1233","issn":["1536-1233","1558-0660","2161-9875"],"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 Mobile Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W168504422","https://openalex.org/W616256163","https://openalex.org/W842060718","https://openalex.org/W1530084398","https://openalex.org/W1673310716","https://openalex.org/W1983095804","https://openalex.org/W2005961304","https://openalex.org/W2032137277","https://openalex.org/W2045174117","https://openalex.org/W2059851833","https://openalex.org/W2082727876","https://openalex.org/W2093921901","https://openalex.org/W2095797625","https://openalex.org/W2110900840","https://openalex.org/W2118579359","https://openalex.org/W2152918251","https://openalex.org/W6623469547","https://openalex.org/W6637131181","https://openalex.org/W6665353688","https://openalex.org/W6671076120"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W3032998312","https://openalex.org/W1503094549","https://openalex.org/W4384486036","https://openalex.org/W135177976","https://openalex.org/W2337920774","https://openalex.org/W4318823662","https://openalex.org/W2886410948","https://openalex.org/W2025875869"],"abstract_inverted_index":{"The":[0,76,94,121,130,186],"cycle":[1,162],"lengths":[2],"and":[3,58,113,138,166,181],"signal":[4,109,169],"transition":[5,170],"time":[6,171],"of":[7,65,72,86,160,172],"<i>Traffic":[8],"Light":[9],"Systems</i>":[10],"(":[11,21],"<i>TLS\u2019s</i>":[12],"),":[13,23],"or":[14],"known":[15],"as":[16],"the":[17,40,56,87,91,155,161],"<i>Phase":[18],"Timing":[19],"Information</i>":[20],"<i>PTI</i>":[22],"play":[24],"a":[25,47,118,147,173],"key":[26],"role":[27],"in":[28,70,90,192],"modern":[29],"transportation":[30],"systems.":[31],"However,":[32],"such":[33],"information":[34,116],"is":[35,80],"not":[36],"always":[37],"available":[38],"to":[39,50],"public.":[41],"In":[42],"this":[43,52],"paper,":[44],"we":[45],"propose":[46],"<i>crowdsourcing</i>":[48],"approach":[49],"solve":[51],"problem":[53,79],"by":[54,62,82,103],"exploiting":[55],"<i>stop":[57],"go</i>":[59],"events,":[60,64,101],"abbreviated":[61],"<i>SG</i>":[63],"vehicles":[66,88],"on":[67,128],"roads":[68],"happening":[69],"front":[71],"target":[73],"traffic":[74],"lights.":[75],"PTI":[77,115],"discovery":[78,92],"formulated":[81],"allowing":[83],"only":[84],"part":[85,123],"participating":[89],"process.":[93],"proposed":[95,131],"framework":[96,132],"starts":[97],"with":[98,146],"discovering":[99],"SG":[100],"followed":[102],"collapsing":[104],"these":[105],"events":[106],"over":[107],"multiple":[108],"cycles":[110],"into":[111],"one":[112],"calculating":[114],"through":[117],"<i>shockwave</i>":[119],"technique.":[120],"crowdsourcing":[122],"may":[124],"be":[125,190],"directly":[126],"implemented":[127],"smartphones.":[129],"was":[133],"verified":[134],"via":[135],"field":[136],"trials":[137],"simulations.":[139],"Our":[140],"simulation":[141],"results":[142],"showed":[143],"that,":[144],"even":[145],"low":[148],"penetration":[149],"rate":[150],"around":[151],"<inline-formula><tex-math>$3.8$</tex-math>":[152],"</inline-formula>":[153,178],"percent,":[154],"root":[156],"mean":[157],"square":[158],"errors":[159],"length,":[163],"green":[164],"light":[165,168],"red":[167],"TLS":[174],"are":[175],"<inline-formula>":[176],"<tex-math>$0.04$</tex-math>":[177],",":[179],"<inline-formula><tex-math>$1.3$</tex-math></inline-formula>":[180],"<inline-formula><tex-math>$5.8$":[182],"</tex-math></inline-formula>":[183],"seconds,":[184],"respectively.":[185],"achieved":[187],"accuracy":[188],"can":[189],"helpful":[191],"many":[193],"PTI-enabled":[194],"applications.":[195]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2}],"updated_date":"2026-03-18T14:38:29.013473","created_date":"2025-10-10T00:00:00"}