{"id":"https://openalex.org/W794144502","doi":null,"title":"A Measure for Travel Time Reliability","display_name":"A Measure for Travel Time Reliability","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W794144502","mag":"794144502"},"language":"en","primary_location":{"id":"mag:794144502","doi":null,"is_oa":false,"landing_page_url":"https://www.koreascience.kr:443/article/JAKO200809651049393.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S2764825926","display_name":"Journal of the Eastern Asia Society for transportation studies/Journal of the Eastern Asia Society for Transportation Studies","issn_l":"1341-8521","issn":["1341-8521","1881-1124"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-c","cwts-core"],"host_organization":"https://openalex.org/P4322143448","host_organization_name":"Eastern Asia Society for Transportation Studies","host_organization_lineage":["https://openalex.org/P4322143448"],"host_organization_lineage_names":["Eastern Asia Society for Transportation Studies"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of the Eastern Asia Society for transportation studies/Journal of the Eastern Asia Society for Transportation Studies","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5042862178","display_name":"Justin Sueun Chang","orcid":"https://orcid.org/0000-0001-8166-6258","observed_orcids":["https://orcid.org/0000-0001-8166-6258"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Justin S. Chang","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-8166-6258","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015909752","display_name":"Ji-Hye Kang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ji-Hye Kang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5100334431","display_name":"Seung-Jun Lee","orcid":"https://orcid.org/0000-0002-2309-0702","observed_orcids":["https://orcid.org/0000-0002-2309-0702"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Seung-Jun Lee","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-2309-0702","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"26","issue":"5","first_page":"217","last_page":"226"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T11568","display_name":"Railway Systems and Energy Efficiency","score":0.000699999975040555,"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/T11489","display_name":"Air Traffic Management and Optimization","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/travel-time-reliability","display_name":"travel time reliability","score":0.9959999918937683},{"id":"https://openalex.org/keywords/travel-time-variability","display_name":"travel time variability","score":0.5979999899864197}],"concepts":[{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.7807085514068604},{"id":"https://openalex.org/C2985733770","wikidata":"https://www.wikidata.org/wiki/Q1233007","display_name":"Travel time","level":2,"score":0.6910548806190491},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.6519700884819031},{"id":"https://openalex.org/C2775939957","wikidata":"https://www.wikidata.org/wiki/Q25645309","display_name":"Value of time","level":3,"score":0.6252166628837585},{"id":"https://openalex.org/C151620405","wikidata":"https://www.wikidata.org/wiki/Q826116","display_name":"Log-normal distribution","level":2,"score":0.558336615562439},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4624258875846863},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.4517372250556946},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.4319267272949219},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.42541220784187317},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.3970659375190735},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.39444196224212646},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.3743849992752075},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.3401661515235901},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27666860818862915},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2683223783969879},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.18566235899925232},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"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/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"mag:794144502","doi":null,"is_oa":false,"landing_page_url":"https://www.koreascience.kr:443/article/JAKO200809651049393.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S2764825926","display_name":"Journal of the Eastern Asia Society for transportation studies/Journal of the Eastern Asia Society for Transportation Studies","issn_l":"1341-8521","issn":["1341-8521","1881-1124"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-c","cwts-core"],"host_organization":"https://openalex.org/P4322143448","host_organization_name":"Eastern Asia Society for Transportation Studies","host_organization_lineage":["https://openalex.org/P4322143448"],"host_organization_lineage_names":["Eastern Asia Society for Transportation Studies"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of the Eastern Asia Society for transportation studies/Journal of the Eastern Asia Society for Transportation Studies","raw_type":null},{"id":"mag:930533725","doi":null,"is_oa":false,"landing_page_url":"http://dspace.kci.go.kr/handle/kci/112867","pdf_url":null,"source":{"id":"https://openalex.org/S2764825926","display_name":"Journal of the Eastern Asia Society for transportation studies/Journal of the Eastern Asia Society for Transportation Studies","issn_l":"1341-8521","issn":["1341-8521","1881-1124"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-c","cwts-core"],"host_organization":"https://openalex.org/P4322143448","host_organization_name":"Eastern Asia Society for Transportation Studies","host_organization_lineage":["https://openalex.org/P4322143448"],"host_organization_lineage_names":["Eastern Asia Society for Transportation Studies"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of the Eastern Asia Society for transportation studies/Journal of the Eastern Asia Society for Transportation Studies","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.5378999710083008,"display_name":"Industry, innovation and infrastructure"},{"id":"https://metadata.un.org/sdg/11","score":0.5142999887466431,"display_name":"Sustainable cities and communities"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W930533725","https://openalex.org/W568536184","https://openalex.org/W2356967132","https://openalex.org/W642066494","https://openalex.org/W2079247910","https://openalex.org/W1968330050","https://openalex.org/W582157434","https://openalex.org/W3023924563","https://openalex.org/W2158362219","https://openalex.org/W4386290131"],"abstract_inverted_index":{"The":[0,14,37,74,110],"term,":[1],"travel-time":[2],"reliability,":[3],"refers":[4],"to":[5,20,25,79,89,117],"variations":[6],"in":[7],"journey":[8],"time":[9,28,33,55,103],"that":[10],"travelers":[11],"cannot":[12],"predict.":[13],"purpose":[15],"of":[16,83,101,112,120,127],"this":[17,58,96,113],"paper":[18],"is":[19,35,39,77,108,115],"suggest":[21],"a":[22,60,66],"standard":[23],"way":[24],"measure":[26],"travel":[27,48,54,102],"reliability.":[29],"A":[30],"modified":[31],"buffer":[32],"indicator":[34],"proposed.":[36,94],"index":[38],"represented":[40],"by":[41],"the":[42,80,92,98],"difference":[43],"between":[44],"planned":[45],"and":[46,65,86],"actual":[47],"times":[49],"based":[50],"on":[51],"lognormal":[52],"type":[53],"distribution.":[56],"Using":[57],"framework,":[59],"constant":[61],"function":[62,69],"for":[63,70,105],"railways":[64],"negative":[67],"parabola":[68],"roads":[71],"are":[72],"discussed.":[73],"model":[75],"developed":[76],"applied":[78],"real":[81],"data":[82],"Korean":[84],"road":[85],"rail":[87],"usages":[88],"empirically":[90],"verify":[91],"methodology":[93],"In":[95],"process,":[97],"unit":[99],"value":[100],"reliability":[104],"each":[106],"group":[107],"estimated.":[109],"result":[111],"research":[114],"expected":[116],"be":[118],"helpful":[119],"conducting":[121],"more":[122],"cautious":[123],"economic":[124],"feasibility":[125],"studies":[126],"transport.":[128]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
