{"id":"https://openalex.org/W2280215311","doi":"https://doi.org/10.1017/s0373463315000831","title":"AIS Trajectories Simplification and Threshold Determination","display_name":"AIS Trajectories Simplification and Threshold Determination","publication_year":2015,"publication_date":"2015-11-16","ids":{"openalex":"https://openalex.org/W2280215311","doi":"https://doi.org/10.1017/s0373463315000831","mag":"2280215311"},"language":"en","primary_location":{"id":"doi:10.1017/s0373463315000831","doi":"https://doi.org/10.1017/s0373463315000831","is_oa":true,"landing_page_url":"https://doi.org/10.1017/s0373463315000831","pdf_url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/6CD85E92F9FA72104E26BE0B63B22122/S0373463315000831a.pdf/div-class-title-ais-trajectories-simplification-and-threshold-determination-div.pdf","source":{"id":"https://openalex.org/S14252860","display_name":"Journal of Navigation","issn_l":"0373-4633","issn":["0373-4633","1469-7785"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Navigation","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/6CD85E92F9FA72104E26BE0B63B22122/S0373463315000831a.pdf/div-class-title-ais-trajectories-simplification-and-threshold-determination-div.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5083081966","display_name":"Shu-Kai Zhang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I43313876","display_name":"Dalian Maritime University","ror":"https://ror.org/002b7nr53","country_code":"CN","type":"education","lineage":["https://openalex.org/I43313876"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shu-kai Zhang","raw_affiliation_strings":["Navigation College, Dalian Maritime University, Dalian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Navigation College, Dalian Maritime University, Dalian, China","institution_ids":["https://openalex.org/I43313876"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008658957","display_name":"Zhengjiang Liu","orcid":"https://orcid.org/0000-0002-4110-934X","observed_orcids":["https://orcid.org/0000-0002-4110-934X","https://orcid.org/0009-0000-7343-0827"]},"institutions":[{"id":"https://openalex.org/I43313876","display_name":"Dalian Maritime University","ror":"https://ror.org/002b7nr53","country_code":"CN","type":"education","lineage":["https://openalex.org/I43313876"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng-jiang Liu","raw_affiliation_strings":["Navigation College, Dalian Maritime University, Dalian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Navigation College, Dalian Maritime University, Dalian, China","institution_ids":["https://openalex.org/I43313876"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yao Cai","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I43313876","display_name":"Dalian Maritime University","ror":"https://ror.org/002b7nr53","country_code":"CN","type":"education","lineage":["https://openalex.org/I43313876"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yao Cai","raw_affiliation_strings":["Navigation College, Dalian Maritime University, Dalian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Navigation College, Dalian Maritime University, Dalian, China","institution_ids":["https://openalex.org/I43313876"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101090608","display_name":"Zhaolin Wu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I43313876","display_name":"Dalian Maritime University","ror":"https://ror.org/002b7nr53","country_code":"CN","type":"education","lineage":["https://openalex.org/I43313876"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhao-lin Wu","raw_affiliation_strings":["Navigation College, Dalian Maritime University, Dalian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Navigation College, Dalian Maritime University, Dalian, China","institution_ids":["https://openalex.org/I43313876"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100991973","display_name":"Guoyou Shi","orcid":"https://orcid.org/0000-0002-3031-4428","observed_orcids":["https://orcid.org/0000-0002-3031-4428","https://orcid.org/0000-0002-6098-2937"]},"institutions":[{"id":"https://openalex.org/I43313876","display_name":"Dalian Maritime University","ror":"https://ror.org/002b7nr53","country_code":"CN","type":"education","lineage":["https://openalex.org/I43313876"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guo-you Shi","raw_affiliation_strings":["Navigation College, Dalian Maritime University, Dalian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Navigation College, Dalian Maritime University, Dalian, China","institution_ids":["https://openalex.org/I43313876"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5083081966"],"corresponding_institution_ids":["https://openalex.org/I43313876"],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"apc_paid":null,"fwci":5.7814,"has_fulltext":true,"cited_by_count":75,"citation_normalized_percentile":{"value":0.9548395,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"69","issue":"4","first_page":"729","last_page":"744"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11622","display_name":"Maritime Navigation and Safety","score":0.9648000001907349,"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"}},"topics":[{"id":"https://openalex.org/T11622","display_name":"Maritime Navigation and Safety","score":0.9648000001907349,"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/T11106","display_name":"Data Management and Algorithms","score":0.028999999165534973,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11489","display_name":"Air Traffic Management and Optimization","score":0.0017999999690800905,"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/automatic-identification-system","display_name":"Automatic Identification System","score":0.9779999852180481},{"id":"https://openalex.org/keywords/vessel-trajectories","display_name":"vessel trajectories","score":0.8240000009536743},{"id":"https://openalex.org/keywords/trajectory-simplification","display_name":"trajectory simplification","score":0.9950000047683716},{"id":"https://openalex.org/keywords/douglas-peucker-algorithm","display_name":"Douglas-Peucker algorithm","score":0.9789999723434448}],"concepts":[{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.6903615593910217},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6417458057403564},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.6398263573646545},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.590184211730957},{"id":"https://openalex.org/C146997752","wikidata":"https://www.wikidata.org/wiki/Q787197","display_name":"Automatic Identification System","level":2,"score":0.5635524988174438},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.47918522357940674},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4398497939109802},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3640599250793457},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2127695381641388},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"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":1,"locations":[{"id":"doi:10.1017/s0373463315000831","doi":"https://doi.org/10.1017/s0373463315000831","is_oa":true,"landing_page_url":"https://doi.org/10.1017/s0373463315000831","pdf_url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/6CD85E92F9FA72104E26BE0B63B22122/S0373463315000831a.pdf/div-class-title-ais-trajectories-simplification-and-threshold-determination-div.pdf","source":{"id":"https://openalex.org/S14252860","display_name":"Journal of Navigation","issn_l":"0373-4633","issn":["0373-4633","1469-7785"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Navigation","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1017/s0373463315000831","doi":"https://doi.org/10.1017/s0373463315000831","is_oa":true,"landing_page_url":"https://doi.org/10.1017/s0373463315000831","pdf_url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/6CD85E92F9FA72104E26BE0B63B22122/S0373463315000831a.pdf/div-class-title-ais-trajectories-simplification-and-threshold-determination-div.pdf","source":{"id":"https://openalex.org/S14252860","display_name":"Journal of Navigation","issn_l":"0373-4633","issn":["0373-4633","1469-7785"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Navigation","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2280215311.pdf","grobid_xml":"https://content.openalex.org/works/W2280215311.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W1582149963","https://openalex.org/W1967295774","https://openalex.org/W1981934656","https://openalex.org/W1996655815","https://openalex.org/W2005987773","https://openalex.org/W2017750673","https://openalex.org/W2029052362","https://openalex.org/W2029546001","https://openalex.org/W2031560212","https://openalex.org/W2038656439","https://openalex.org/W2055491758","https://openalex.org/W2083442964","https://openalex.org/W2085535782","https://openalex.org/W2090485588","https://openalex.org/W2123631010","https://openalex.org/W2127902136","https://openalex.org/W2128706228","https://openalex.org/W2149137843","https://openalex.org/W2149441069","https://openalex.org/W2151134841","https://openalex.org/W2153249319","https://openalex.org/W2153595412","https://openalex.org/W2160360348","https://openalex.org/W2164280262","https://openalex.org/W2363979889","https://openalex.org/W2625157403","https://openalex.org/W4233452110"],"related_works":["https://openalex.org/W3089854235","https://openalex.org/W3127184962","https://openalex.org/W4296351216","https://openalex.org/W2886870094","https://openalex.org/W3164508970","https://openalex.org/W2980397461","https://openalex.org/W2969970767","https://openalex.org/W4409085452","https://openalex.org/W4402520249","https://openalex.org/W4313535387"],"abstract_inverted_index":{"Facilitated":[0],"by":[1,56,87],"recent":[2],"establishment":[3],"of":[4,10,25,33,37,49,75,99,130,138],"terrestrial":[5],"networks":[6],"and":[7,22,40,72,113,135,159],"satellite":[8],"constellations":[9],"Automatic":[11],"Identification":[12],"System":[13],"(AIS)":[14],"receivers,":[15],"ship":[16,107],"trajectories":[17,27,34,52,86,152],"are":[18,80],"becoming":[19],"increasingly":[20],"available":[21],"the":[23,50,62,73,76,93,96,100,128,131,136,139,146,154],"size":[24],"recorded":[26],"is":[28,111,124,157],"getting":[29],"larger.":[30],"Large":[31],"sets":[32],"create":[35],"problems":[36],"storing,":[38],"transmitting":[39],"processing":[41],"data.":[42],"Using":[43],"appropriate":[44],"methods,":[45],"an":[46],"accurate":[47],"representation":[48],"original":[51],"can":[53,83,149],"be":[54],"obtained":[55],"compressing":[57],"redundant":[58],"information,":[59],"while":[60],"maintaining":[61],"main":[63],"characteristic":[64,89],"elements.":[65],"In":[66],"this":[67],"paper,":[68],"a":[69,103,122],"new":[70,104],"scheme":[71],"implementation":[74],"Douglas-Peucker":[77],"(DP)":[78],"algorithm":[79,134,148],"presented,":[81],"which":[82],"simplify":[84,150],"AIS":[85,151],"extracting":[88],"points.":[90],"As":[91],"for":[92,117],"simplification":[94,118,133,140,155],"threshold,":[95],"solo":[97],"parameter":[98],"DP":[101,132,147],"algorithm,":[102],"AIS-based":[105],"minimum":[106],"domain":[108],"evaluation":[109],"method":[110],"proposed":[112],"acts":[114],"as":[115],"criteria":[116],"threshold":[119,156],"determination.":[120],"Finally,":[121],"validation":[123],"made":[125],"to":[126],"examine":[127],"effectiveness":[129],"rationality":[137],"threshold.":[141],"The":[142],"result":[143],"indicates":[144],"that":[145],"effectively;":[153],"scientific":[158],"reasonable.":[160]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":11},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":2}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2016-06-24T00:00:00"}
