{"id":"https://openalex.org/W2944325727","doi":"https://doi.org/10.1109/tits.2019.2909120","title":"Characterizing the Connectivity of Railway Networks","display_name":"Characterizing the Connectivity of Railway Networks","publication_year":2019,"publication_date":"2019-05-09","ids":{"openalex":"https://openalex.org/W2944325727","doi":"https://doi.org/10.1109/tits.2019.2909120","mag":"2944325727"},"language":"en","primary_location":{"id":"doi:10.1109/tits.2019.2909120","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tits.2019.2909120","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/A5091785640","display_name":"Zhongzhi Xu","orcid":"https://orcid.org/0000-0002-0514-0200"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zhongzhi Xu","raw_affiliation_strings":["School of Data Science, City University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-0514-0200","affiliations":[{"raw_affiliation_string":"School of Data Science, City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052391290","display_name":"Qingpeng Zhang","orcid":"https://orcid.org/0000-0002-6819-0686"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Qingpeng Zhang","raw_affiliation_strings":["School of Data Science, City University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-6819-0686","affiliations":[{"raw_affiliation_string":"School of Data Science, City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084944519","display_name":"Dingjun Chen","orcid":"https://orcid.org/0000-0003-0308-4230"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dingjun Chen","raw_affiliation_strings":["School of Transportation and Logistics, Southwest Jiaotong University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Transportation and Logistics, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003293085","display_name":"Yuxin He","orcid":"https://orcid.org/0000-0001-8857-9990"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yuxin He","raw_affiliation_strings":["School of Data Science, City University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0001-8857-9990","affiliations":[{"raw_affiliation_string":"School of Data Science, City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.9563,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.93768882,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"21","issue":"4","first_page":"1491","last_page":"1502"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9986000061035156,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9986000061035156,"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/T10698","display_name":"Transportation Planning and Optimization","score":0.9980000257492065,"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/T10064","display_name":"Complex Network Analysis Techniques","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.657545268535614},{"id":"https://openalex.org/keywords/flow-network","display_name":"Flow network","score":0.5173077583312988},{"id":"https://openalex.org/keywords/network-topology","display_name":"Network topology","score":0.46792057156562805},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.42495328187942505},{"id":"https://openalex.org/keywords/complex-network","display_name":"Complex network","score":0.4242824614048004},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3166787624359131}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.657545268535614},{"id":"https://openalex.org/C114809511","wikidata":"https://www.wikidata.org/wiki/Q1412924","display_name":"Flow network","level":2,"score":0.5173077583312988},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.46792057156562805},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.42495328187942505},{"id":"https://openalex.org/C34947359","wikidata":"https://www.wikidata.org/wiki/Q665189","display_name":"Complex network","level":2,"score":0.4242824614048004},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3166787624359131},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","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/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tits.2019.2909120","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tits.2019.2909120","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/G4242601449","display_name":"\u5728\u7ebf\u5fc3\u7406\u5065\u5eb7\u793e\u533a\u4e2d\u7684\u6210\u5458\u89d2\u8272\u6f14\u5316\u89c4\u5f8b\u53ca\u5176\u5bf9\u793e\u7fa4\u53d1\u5c55\u7684\u5f71\u54cd\uff1a\u4ee5\u6291\u90c1\u75c7\u4e3a\u4f8b","funder_award_id":"71672163","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7811435060","display_name":null,"funder_award_id":"61703351","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1533266370","https://openalex.org/W1968686485","https://openalex.org/W1970115183","https://openalex.org/W1970238092","https://openalex.org/W2016918503","https://openalex.org/W2020709200","https://openalex.org/W2026238375","https://openalex.org/W2029173860","https://openalex.org/W2030490025","https://openalex.org/W2032064497","https://openalex.org/W2047437233","https://openalex.org/W2048460015","https://openalex.org/W2060464767","https://openalex.org/W2062217756","https://openalex.org/W2065769502","https://openalex.org/W2069018060","https://openalex.org/W2077574607","https://openalex.org/W2083719221","https://openalex.org/W2141884480","https://openalex.org/W2147801132","https://openalex.org/W2151795548","https://openalex.org/W2169528473","https://openalex.org/W2171985270","https://openalex.org/W2267249490","https://openalex.org/W2292548112","https://openalex.org/W2490322078","https://openalex.org/W2576629086","https://openalex.org/W2754582354","https://openalex.org/W2765370111","https://openalex.org/W2778363563","https://openalex.org/W2885060261","https://openalex.org/W2907222094","https://openalex.org/W3037085755","https://openalex.org/W3103071483","https://openalex.org/W3147555928","https://openalex.org/W4235019172"],"related_works":["https://openalex.org/W2086397253","https://openalex.org/W2133122801","https://openalex.org/W600422426","https://openalex.org/W2007156430","https://openalex.org/W2170882281","https://openalex.org/W3081478936","https://openalex.org/W2785612136","https://openalex.org/W1988224651","https://openalex.org/W2096179639","https://openalex.org/W2099529706"],"abstract_inverted_index":{"How":[0],"well":[1,113],"stations":[2],"are":[3],"connected":[4],"with":[5,97],"each":[6],"other":[7],"is":[8,18,37],"a":[9,19],"critical":[10],"performance":[11],"assessment":[12],"of":[13,30,49,70,101,117,124,131],"railway":[14,31,73,102,118],"systems.":[15,32,103],"Network":[16],"analysis":[17],"highly":[20],"intuitive":[21],"and":[22,62,82,128],"interpretable":[23],"approach":[24],"to":[25,46,66,121],"characterizing":[26],"the":[27,34,47,58,68,78,88,94,98,108,115,122,125,132],"physical":[28,35,59,95,109],"connectivity":[29,36,60,69,96,100,110,116],"However,":[33],"often":[38],"limited":[39],"in":[40],"depicting":[41],"transportation":[42],"network":[43,80],"dynamics":[44],"due":[45,120],"lack":[48],"traffic":[50],"flow":[51],"information.":[52],"This":[53],"paper":[54],"first":[55,89],"comprehensively":[56],"reviews":[57],"metrics":[61,65,111],"applies":[63],"these":[64],"evaluate":[67],"China's":[71],"high-speed":[72],"system.":[74],"Then,":[75],"through":[76],"integrating":[77],"real-world":[79],"topology":[81],"travel":[83],"demand":[84],"data,":[85],"we":[86],"conduct":[87],"data-driven":[90],"research":[91],"on":[92],"comparing":[93],"logical":[99],"The":[104],"experiments":[105],"demonstrate":[106],"that":[107],"cannot":[112],"represent":[114],"systems,":[119],"neglect":[123],"heterogeneous":[126],"distribution":[127],"temporal":[129],"patterns":[130],"passenger":[133],"flows.":[134]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}