{"id":"https://openalex.org/W4200179497","doi":"https://doi.org/10.3390/s21238028","title":"A Distance Increment Smoothing Method and Its Application on the Detection of NLOS in the Cooperative Positioning","display_name":"A Distance Increment Smoothing Method and Its Application on the Detection of NLOS in the Cooperative Positioning","publication_year":2021,"publication_date":"2021-12-01","ids":{"openalex":"https://openalex.org/W4200179497","doi":"https://doi.org/10.3390/s21238028","pmid":"https://pubmed.ncbi.nlm.nih.gov/34884032"},"language":"en","primary_location":{"id":"doi:10.3390/s21238028","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21238028","pdf_url":"https://www.mdpi.com/1424-8220/21/23/8028/pdf?version=1638411971","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/21/23/8028/pdf?version=1638411971","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5045948488","display_name":"Dongqing Zhao","orcid":"https://orcid.org/0000-0001-8615-2459"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongqing Zhao","raw_affiliation_strings":["Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China"],"raw_orcid":"https://orcid.org/0000-0001-8615-2459","affiliations":[{"raw_affiliation_string":"Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101936276","display_name":"Dongmin Wang","orcid":"https://orcid.org/0000-0001-6897-271X"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Dongmin Wang","raw_affiliation_strings":["Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100724141","display_name":"Minzhi Xiang","orcid":"https://orcid.org/0000-0003-0090-3050"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minzhi Xiang","raw_affiliation_strings":["Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022882106","display_name":"Jinfei Li","orcid":"https://orcid.org/0000-0002-2095-4165"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinfei Li","raw_affiliation_strings":["Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073050892","display_name":"Chaoyong Yang","orcid":"https://orcid.org/0000-0002-2374-5342"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chaoyong Yang","raw_affiliation_strings":["Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039034935","display_name":"Letian Zhang","orcid":"https://orcid.org/0000-0002-3373-5615"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Letian Zhang","raw_affiliation_strings":["Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086682667","display_name":"Linyang Li","orcid":"https://orcid.org/0000-0003-1056-6406"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Linyang Li","raw_affiliation_strings":["Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China","institution_ids":["https://openalex.org/I169689159"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5101936276"],"corresponding_institution_ids":["https://openalex.org/I169689159"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.154008,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"21","issue":"23","first_page":"8028","last_page":"8028"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10711","display_name":"Target Tracking and Data Fusion in Sensor Networks","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9987000226974487,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/non-line-of-sight-propagation","display_name":"Non-line-of-sight propagation","score":0.9368129968643188},{"id":"https://openalex.org/keywords/smoothing","display_name":"Smoothing","score":0.6159617304801941},{"id":"https://openalex.org/keywords/random-error","display_name":"Random error","score":0.5690330862998962},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5656099319458008},{"id":"https://openalex.org/keywords/ranging","display_name":"Ranging","score":0.5346068143844604},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.499744176864624},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4911486804485321},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.4719967842102051},{"id":"https://openalex.org/keywords/observational-error","display_name":"Observational error","score":0.4172784686088562},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4170975685119629},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.26388365030288696},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.24313068389892578},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18742677569389343},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.1380631923675537},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1118054986000061},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.08970531821250916},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07005727291107178}],"concepts":[{"id":"https://openalex.org/C154910267","wikidata":"https://www.wikidata.org/wiki/Q1740982","display_name":"Non-line-of-sight propagation","level":3,"score":0.9368129968643188},{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.6159617304801941},{"id":"https://openalex.org/C73782692","wikidata":"https://www.wikidata.org/wiki/Q196372","display_name":"Random error","level":2,"score":0.5690330862998962},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5656099319458008},{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.5346068143844604},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.499744176864624},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4911486804485321},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.4719967842102051},{"id":"https://openalex.org/C19619285","wikidata":"https://www.wikidata.org/wiki/Q196372","display_name":"Observational error","level":2,"score":0.4172784686088562},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4170975685119629},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26388365030288696},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.24313068389892578},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18742677569389343},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.1380631923675537},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1118054986000061},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.08970531821250916},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07005727291107178},{"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/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0},{"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s21238028","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21238028","pdf_url":"https://www.mdpi.com/1424-8220/21/23/8028/pdf?version=1638411971","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:34884032","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34884032","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:8a6cfab929cf4b6b977e3ca05a6993ac","is_oa":true,"landing_page_url":"https://doaj.org/article/8a6cfab929cf4b6b977e3ca05a6993ac","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 21, Iss 23, p 8028 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/21/23/8028/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s21238028","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors; Volume 21; Issue 23; Pages: 8028","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8659529","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8659529","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s21238028","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21238028","pdf_url":"https://www.mdpi.com/1424-8220/21/23/8028/pdf?version=1638411971","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.4099999964237213,"display_name":"Partnerships for the goals","id":"https://metadata.un.org/sdg/17"}],"awards":[{"id":"https://openalex.org/G2622697181","display_name":null,"funder_award_id":"41774037","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7558124665","display_name":null,"funder_award_id":"42104033","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":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4200179497.pdf","grobid_xml":"https://content.openalex.org/works/W4200179497.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W1998282176","https://openalex.org/W2016126994","https://openalex.org/W2023162892","https://openalex.org/W2046264184","https://openalex.org/W2048312361","https://openalex.org/W2049444669","https://openalex.org/W2075403247","https://openalex.org/W2095705027","https://openalex.org/W2095948577","https://openalex.org/W2109247412","https://openalex.org/W2116599690","https://openalex.org/W2123914993","https://openalex.org/W2146281661","https://openalex.org/W2153229305","https://openalex.org/W2162718622","https://openalex.org/W2164443866","https://openalex.org/W2237571475","https://openalex.org/W2349952906","https://openalex.org/W2356987467","https://openalex.org/W2372648432","https://openalex.org/W2502996103","https://openalex.org/W2538450875","https://openalex.org/W2581087180","https://openalex.org/W2883431369","https://openalex.org/W2889942248","https://openalex.org/W2909886729","https://openalex.org/W2999671232","https://openalex.org/W3009174982","https://openalex.org/W3036038658","https://openalex.org/W3099545890","https://openalex.org/W3134010013","https://openalex.org/W3162598728","https://openalex.org/W6708692817"],"related_works":["https://openalex.org/W2904654071","https://openalex.org/W3004316703","https://openalex.org/W3149021053","https://openalex.org/W4389372489","https://openalex.org/W2124974059","https://openalex.org/W3021586594","https://openalex.org/W195467422","https://openalex.org/W2004502534","https://openalex.org/W4252485930","https://openalex.org/W4235961972"],"abstract_inverted_index":{"The":[0,54,123],"wide":[1],"use":[2],"of":[3,110,128,149],"cooperative":[4,19,69,150],"missions":[5],"using":[6],"multiple":[7],"unmanned":[8],"platforms":[9],"has":[10,32],"made":[11],"relative":[12,108,140],"distance":[13,51,141],"information":[14],"an":[15],"essential":[16],"factor":[17],"for":[18],"positioning":[20],"and":[21,71,80,102,130,143,147],"formation":[22],"control.":[23],"Reducing":[24],"the":[25,34,50,64,68,72,82,91,98,107,116,126,134,139,145],"range":[26],"error":[27,85,119],"effectively":[28],"in":[29,97],"real":[30],"time":[31],"become":[33],"main":[35],"technical":[36],"challenge.":[37],"We":[38],"present":[39],"a":[40],"new":[41],"method":[42],"to":[43,62,78,89],"deal":[44],"with":[45,115],"ranging":[46],"errors":[47,132],"based":[48],"on":[49,133],"increment":[52],"(DI).":[53],"DI":[55,65,74],"calculated":[56],"by":[57,67,121],"dead":[58],"reckoning":[59],"is":[60,75,113],"used":[61,77],"smooth":[63,90],"obtained":[66],"positioning,":[70],"smoothed":[73],"then":[76],"detect":[79],"estimate":[81],"non-line-of-sight":[83],"(NLOS)":[84],"as":[86,88],"well":[87],"observed":[92],"values":[93],"containing":[94],"random":[95,118,131],"noise":[96],"filtering":[99],"process.":[100],"Simulation":[101],"experimental":[103],"results":[104],"show":[105],"that":[106],"accuracy":[109],"NLOS":[111,129],"estimation":[112],"8.17%,":[114],"maximum":[117],"reduced":[120],"40.27%.":[122],"algorithm":[124],"weakens":[125],"influence":[127],"measurement":[135],"distance,":[136],"thus":[137],"improving":[138],"precision":[142],"enhancing":[144],"stability":[146],"reliability":[148],"positioning.":[151]},"counts_by_year":[],"updated_date":"2026-05-21T09:19:25.381259","created_date":"2025-10-10T00:00:00"}
