{"id":"https://openalex.org/W2903767306","doi":"https://doi.org/10.1109/itsc.2018.8569405","title":"Exploring Characteristics and Fundamental Relations of Area-Wide Vessel Traffic Flow","display_name":"Exploring Characteristics and Fundamental Relations of Area-Wide Vessel Traffic Flow","publication_year":2018,"publication_date":"2018-11-01","ids":{"openalex":"https://openalex.org/W2903767306","doi":"https://doi.org/10.1109/itsc.2018.8569405","mag":"2903767306"},"language":"en","primary_location":{"id":"doi:10.1109/itsc.2018.8569405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itsc.2018.8569405","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 21st International Conference on Intelligent Transportation Systems (ITSC)","raw_type":"proceedings-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/A5033080607","display_name":"Yi Liu","orcid":"https://orcid.org/0000-0003-1722-6746"},"institutions":[{"id":"https://openalex.org/I196699116","display_name":"Wuhan University of Technology","ror":"https://ror.org/03fe7t173","country_code":"CN","type":"education","lineage":["https://openalex.org/I196699116"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yi Liu","raw_affiliation_strings":["Hubei Key Laboratory of Inland Shipping Technology, Wuhan University of Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Hubei Key Laboratory of Inland Shipping Technology, Wuhan University of Technology, Wuhan, China","institution_ids":["https://openalex.org/I196699116"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066708380","display_name":"Zhengyu Ji","orcid":null},"institutions":[{"id":"https://openalex.org/I196699116","display_name":"Wuhan University of Technology","ror":"https://ror.org/03fe7t173","country_code":"CN","type":"education","lineage":["https://openalex.org/I196699116"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengyu Ji","raw_affiliation_strings":["School of Navigation, Wuhan University of Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Navigation, Wuhan University of Technology, Wuhan, China","institution_ids":["https://openalex.org/I196699116"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049390837","display_name":"Xiaoxia Luo","orcid":null},"institutions":[{"id":"https://openalex.org/I196699116","display_name":"Wuhan University of Technology","ror":"https://ror.org/03fe7t173","country_code":"CN","type":"education","lineage":["https://openalex.org/I196699116"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoxia Luo","raw_affiliation_strings":["School of Navigation, Wuhan University of Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Navigation, Wuhan University of Technology, Wuhan, China","institution_ids":["https://openalex.org/I196699116"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104000613","display_name":"Ziyuan Li","orcid":"https://orcid.org/0009-0003-3305-9172"},"institutions":[{"id":"https://openalex.org/I196699116","display_name":"Wuhan University of Technology","ror":"https://ror.org/03fe7t173","country_code":"CN","type":"education","lineage":["https://openalex.org/I196699116"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziyuan Li","raw_affiliation_strings":["School of Navigation, Wuhan University of Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Navigation, Wuhan University of Technology, Wuhan, China","institution_ids":["https://openalex.org/I196699116"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101977711","display_name":"Zhengwei He","orcid":"https://orcid.org/0000-0003-1285-994X"},"institutions":[{"id":"https://openalex.org/I196699116","display_name":"Wuhan University of Technology","ror":"https://ror.org/03fe7t173","country_code":"CN","type":"education","lineage":["https://openalex.org/I196699116"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengwei He","raw_affiliation_strings":["Hubei Key Laboratory of Inland Shipping Technology, Wuhan University of Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Hubei Key Laboratory of Inland Shipping Technology, Wuhan University of Technology, Wuhan, China","institution_ids":["https://openalex.org/I196699116"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100662008","display_name":"Jingxian Liu","orcid":"https://orcid.org/0000-0002-2802-4683"},"institutions":[{"id":"https://openalex.org/I196699116","display_name":"Wuhan University of Technology","ror":"https://ror.org/03fe7t173","country_code":"CN","type":"education","lineage":["https://openalex.org/I196699116"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingxian Liu","raw_affiliation_strings":["Hubei Key Laboratory of Inland Shipping Technology, Wuhan University of Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Hubei Key Laboratory of Inland Shipping Technology, Wuhan University of Technology, Wuhan, China","institution_ids":["https://openalex.org/I196699116"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5033080607"],"corresponding_institution_ids":["https://openalex.org/I196699116"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.10691307,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"31","issue":null,"first_page":"2333","last_page":"2338"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10698","display_name":"Transportation Planning and Optimization","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/T10698","display_name":"Transportation Planning and Optimization","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/T11622","display_name":"Maritime Navigation and Safety","score":0.9976999759674072,"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/T10524","display_name":"Traffic control and management","score":0.993399977684021,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/curvilinear-coordinates","display_name":"Curvilinear coordinates","score":0.6649048328399658},{"id":"https://openalex.org/keywords/traffic-flow","display_name":"Traffic flow (computer networking)","score":0.6210578083992004},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.6027957201004028},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5782658457756042},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.5631639957427979},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5336326956748962},{"id":"https://openalex.org/keywords/logarithm","display_name":"Logarithm","score":0.5333526134490967},{"id":"https://openalex.org/keywords/boundary","display_name":"Boundary (topology)","score":0.4920939803123474},{"id":"https://openalex.org/keywords/interval","display_name":"Interval (graph theory)","score":0.4535267949104309},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.4526817202568054},{"id":"https://openalex.org/keywords/relation","display_name":"Relation (database)","score":0.4261396825313568},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.39476248621940613},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3706877827644348},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.2592095136642456},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2503780722618103},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.19218656420707703},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.14511987566947937},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.11669501662254333}],"concepts":[{"id":"https://openalex.org/C98343798","wikidata":"https://www.wikidata.org/wiki/Q1790208","display_name":"Curvilinear coordinates","level":2,"score":0.6649048328399658},{"id":"https://openalex.org/C207512268","wikidata":"https://www.wikidata.org/wiki/Q3074551","display_name":"Traffic flow (computer networking)","level":2,"score":0.6210578083992004},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.6027957201004028},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5782658457756042},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.5631639957427979},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5336326956748962},{"id":"https://openalex.org/C39927690","wikidata":"https://www.wikidata.org/wiki/Q11197","display_name":"Logarithm","level":2,"score":0.5333526134490967},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.4920939803123474},{"id":"https://openalex.org/C2778067643","wikidata":"https://www.wikidata.org/wiki/Q166507","display_name":"Interval (graph theory)","level":2,"score":0.4535267949104309},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.4526817202568054},{"id":"https://openalex.org/C25343380","wikidata":"https://www.wikidata.org/wiki/Q277521","display_name":"Relation (database)","level":2,"score":0.4261396825313568},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.39476248621940613},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3706877827644348},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.2592095136642456},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2503780722618103},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.19218656420707703},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.14511987566947937},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.11669501662254333},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","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/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"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/itsc.2018.8569405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itsc.2018.8569405","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 21st International Conference on Intelligent Transportation Systems (ITSC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":0.8500000238418579}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W16548326","https://openalex.org/W141764942","https://openalex.org/W364704200","https://openalex.org/W1503135066","https://openalex.org/W1977983506","https://openalex.org/W1979690402","https://openalex.org/W2031566821","https://openalex.org/W2032668704","https://openalex.org/W2046436810","https://openalex.org/W2064091103","https://openalex.org/W2563006431","https://openalex.org/W2594898816","https://openalex.org/W4233452110","https://openalex.org/W6600645789","https://openalex.org/W6612294656","https://openalex.org/W6616090363"],"related_works":["https://openalex.org/W1639593894","https://openalex.org/W63200814","https://openalex.org/W2367601375","https://openalex.org/W2371750680","https://openalex.org/W2360227361","https://openalex.org/W2067779234","https://openalex.org/W1999171692","https://openalex.org/W1600077717","https://openalex.org/W2017712750","https://openalex.org/W2382222323"],"abstract_inverted_index":{"Vessel":[0],"traffic":[1,14,42,50,76,106,127,135],"flow":[2,43,51,77,107,128],"characteristics":[3,44,129],"and":[4,16,19,27,54,64,80,84,93,123,168],"their":[5,71],"relations":[6],"have":[7],"been":[8],"crucial":[9],"research":[10],"topics":[11],"for":[12,24],"marine":[13],"analysis":[15],"navigation":[17],"simulation,":[18],"is":[20,98],"also":[21],"the":[22,102,115,165,172],"basis":[23],"through":[25],"capacity":[26],"congestion":[28],"index":[29],"calculation.":[30],"This":[31],"study":[32],"aimed":[33],"to":[34,56,69,100,113,163],"propose":[35],"a":[36,94,152],"measurement":[37],"method":[38],"of":[39,49,143,171],"area-wide":[40,104,125,133],"vessel":[41,62,89,105,126,134],"by":[45],"extending":[46],"Edie's":[47,73],"definitions":[48],"rate,":[52,78],"density,":[53,79],"speed":[55,81],"multi-directional":[57],"navigable":[58],"waters":[59],"using":[60],"three-dimensional":[61,87],"trajectories,":[63],"identify":[65],"an":[66],"appropriate":[67],"model":[68],"describe":[70],"relations.":[72],"definition":[74],"on":[75],"are":[82,91,111,130,161],"introduced":[83],"extended.":[85],"Then,":[86],"spatial-temporal":[88],"trajectories":[90],"plotted":[92],"boundary":[95],"interpolation":[96],"algorithm":[97],"proposed":[99,116],"measure":[101],"three":[103],"characteristics.":[108],"Two":[109],"cases":[110],"utilized":[112],"test":[114],"methodology.":[117],"Results":[118],"show":[119],"that":[120,142],"(1)":[121],"extracting":[122],"modelling":[124],"feasible;":[131],"(2)":[132],"Fundamental":[136],"Diagrams":[137],"present":[138],"similar":[139],"patterns":[140],"with":[141],"road":[144],"traffic,":[145],"but":[146],"change":[147],"in":[148],"interval":[149],"rather":[150],"than":[151],"clear":[153],"curvilinear":[154],"relationship;":[155],"(3)":[156],"modified":[157],"Greenberg's":[158],"logarithmic":[159],"models":[160],"used":[162],"determine":[164],"upper":[166],"bound":[167,170],"lower":[169],"relation":[173],"intervals.":[174]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}