{"id":"https://openalex.org/W4380080116","doi":"https://doi.org/10.3233/ida-226811","title":"Data-driven predictive maintenance framework for railway systems","display_name":"Data-driven predictive maintenance framework for railway systems","publication_year":2023,"publication_date":"2023-06-09","ids":{"openalex":"https://openalex.org/W4380080116","doi":"https://doi.org/10.3233/ida-226811"},"language":"en","primary_location":{"id":"doi:10.3233/ida-226811","is_oa":false,"landing_page_url":"https://doi.org/10.3233/ida-226811","pdf_url":null,"source":{"id":"https://openalex.org/S2498839158","display_name":"Intelligent Data Analysis","issn_l":"1088-467X","issn":["1088-467X","1571-4128"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Intelligent Data Analysis","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/A5103054905","display_name":"Jorge Meira","orcid":"https://orcid.org/0000-0002-1502-780X"},"institutions":[{"id":"https://openalex.org/I83863532","display_name":"Polytechnic Institute of Porto","ror":"https://ror.org/04988re48","country_code":"PT","type":"education","lineage":["https://openalex.org/I83863532"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Jorge Meira","raw_affiliation_strings":["GECAD, Polytechnic Institute of Porto (ISEP/IPP), Porto, Portugal"],"affiliations":[{"raw_affiliation_string":"GECAD, Polytechnic Institute of Porto (ISEP/IPP), Porto, Portugal","institution_ids":["https://openalex.org/I83863532"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010227979","display_name":"Bruno Veloso","orcid":"https://orcid.org/0000-0001-7980-0972"},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Bruno Veloso","raw_affiliation_strings":["LIAAD, INESC TEC, Porto, Portugal"],"affiliations":[{"raw_affiliation_string":"LIAAD, INESC TEC, Porto, Portugal","institution_ids":["https://openalex.org/I4210166615"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042436168","display_name":"Ver\u00f3nica Bol\u00f3n\u2010Canedo","orcid":"https://orcid.org/0000-0002-0524-6427"},"institutions":[{"id":"https://openalex.org/I11019714","display_name":"Universidade da Coru\u00f1a","ror":"https://ror.org/01qckj285","country_code":"ES","type":"education","lineage":["https://openalex.org/I11019714"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Ver\u00f3nica Bol\u00f3n-Canedo","raw_affiliation_strings":["LIDIA \u2013 CITIC, University of Coru\u00f1a, Coru\u00f1a, Spain"],"affiliations":[{"raw_affiliation_string":"LIDIA \u2013 CITIC, University of Coru\u00f1a, Coru\u00f1a, Spain","institution_ids":["https://openalex.org/I11019714"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007629138","display_name":"Goreti Marreiros","orcid":"https://orcid.org/0000-0003-4417-8401"},"institutions":[{"id":"https://openalex.org/I83863532","display_name":"Polytechnic Institute of Porto","ror":"https://ror.org/04988re48","country_code":"PT","type":"education","lineage":["https://openalex.org/I83863532"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Goreti Marreiros","raw_affiliation_strings":["GECAD, Polytechnic Institute of Porto (ISEP/IPP), Porto, Portugal"],"affiliations":[{"raw_affiliation_string":"GECAD, Polytechnic Institute of Porto (ISEP/IPP), Porto, Portugal","institution_ids":["https://openalex.org/I83863532"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048207145","display_name":"Amparo Alonso\u2010Betanzos","orcid":"https://orcid.org/0000-0003-0950-0012"},"institutions":[{"id":"https://openalex.org/I11019714","display_name":"Universidade da Coru\u00f1a","ror":"https://ror.org/01qckj285","country_code":"ES","type":"education","lineage":["https://openalex.org/I11019714"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Amparo Alonso-Betanzos","raw_affiliation_strings":["LIDIA \u2013 CITIC, University of Coru\u00f1a, Coru\u00f1a, Spain"],"affiliations":[{"raw_affiliation_string":"LIDIA \u2013 CITIC, University of Coru\u00f1a, Coru\u00f1a, Spain","institution_ids":["https://openalex.org/I11019714"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114376321","display_name":"Jo\u00e3o Gama","orcid":"https://orcid.org/0000-0003-3357-1195"},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Jo\u00e3o Gama","raw_affiliation_strings":["LIAAD, INESC TEC, Porto, Portugal"],"affiliations":[{"raw_affiliation_string":"LIAAD, INESC TEC, Porto, Portugal","institution_ids":["https://openalex.org/I4210166615"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5103054905"],"corresponding_institution_ids":["https://openalex.org/I83863532"],"apc_list":null,"apc_paid":null,"fwci":0.6852,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.74837982,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"27","issue":"4","first_page":"1087","last_page":"1102"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9909999966621399,"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"}},"topics":[{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9909999966621399,"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/T11652","display_name":"Imbalanced Data Classification Techniques","score":0.953499972820282,"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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9514999985694885,"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/anomaly-detection","display_name":"Anomaly detection","score":0.6964504718780518},{"id":"https://openalex.org/keywords/predictive-maintenance","display_name":"Predictive maintenance","score":0.666802167892456},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.640921413898468},{"id":"https://openalex.org/keywords/automation","display_name":"Automation","score":0.5334872007369995},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.5217914581298828},{"id":"https://openalex.org/keywords/k-nearest-neighbors-algorithm","display_name":"k-nearest neighbors algorithm","score":0.5173301100730896},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4801461398601532},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.46806254982948303},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.4430388808250427},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.4312403202056885},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.42756664752960205},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3314911723136902},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3144942820072174},{"id":"https://openalex.org/keywords/reliability-engineering","display_name":"Reliability engineering","score":0.24576407670974731},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2441466748714447}],"concepts":[{"id":"https://openalex.org/C739882","wikidata":"https://www.wikidata.org/wiki/Q3560506","display_name":"Anomaly detection","level":2,"score":0.6964504718780518},{"id":"https://openalex.org/C70452415","wikidata":"https://www.wikidata.org/wiki/Q3182448","display_name":"Predictive maintenance","level":2,"score":0.666802167892456},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.640921413898468},{"id":"https://openalex.org/C115901376","wikidata":"https://www.wikidata.org/wiki/Q184199","display_name":"Automation","level":2,"score":0.5334872007369995},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.5217914581298828},{"id":"https://openalex.org/C113238511","wikidata":"https://www.wikidata.org/wiki/Q1071612","display_name":"k-nearest neighbors algorithm","level":2,"score":0.5173301100730896},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4801461398601532},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.46806254982948303},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.4430388808250427},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.4312403202056885},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.42756664752960205},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3314911723136902},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3144942820072174},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.24576407670974731},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2441466748714447},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3233/ida-226811","is_oa":false,"landing_page_url":"https://doi.org/10.3233/ida-226811","pdf_url":null,"source":{"id":"https://openalex.org/S2498839158","display_name":"Intelligent Data Analysis","issn_l":"1088-467X","issn":["1088-467X","1571-4128"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Intelligent Data Analysis","raw_type":"journal-article"},{"id":"pmh:oai:ruc.udc.es:2183/36034","is_oa":false,"landing_page_url":"http://hdl.handle.net/2183/36034","pdf_url":null,"source":{"id":"https://openalex.org/S4306402204","display_name":"RUC (Universidade Da Coru\u00f1a)","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.6499999761581421}],"awards":[{"id":"https://openalex.org/G1496055848","display_name":null,"funder_award_id":"ED431C","funder_id":"https://openalex.org/F4320326655","funder_display_name":"Xunta de Galicia"},{"id":"https://openalex.org/G1933851018","display_name":null,"funder_award_id":"ED431G 2019/01","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G2185762782","display_name":null,"funder_award_id":"UIDB/00760/2020","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G272322064","display_name":null,"funder_award_id":"ED431G 20","funder_id":"https://openalex.org/F4320326655","funder_display_name":"Xunta de Galicia"},{"id":"https://openalex.org/G2987173697","display_name":null,"funder_award_id":"UIDP/","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G3013207569","display_name":null,"funder_award_id":"ED431C 2018","funder_id":"https://openalex.org/F4320326655","funder_display_name":"Xunta de Galicia"},{"id":"https://openalex.org/G3199046289","display_name":null,"funder_award_id":"ED431G 2019/01","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G3272457656","display_name":null,"funder_award_id":"UIDB/","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G3694284866","display_name":null,"funder_award_id":"ED431C","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G3876637791","display_name":null,"funder_award_id":"ED431G","funder_id":"https://openalex.org/F4320326655","funder_display_name":"Xunta de Galicia"},{"id":"https://openalex.org/G4492608822","display_name":null,"funder_award_id":"CHIST-ERA-19-XAI-012","funder_id":"https://openalex.org/F4320338463","funder_display_name":"CHIST-ERA"},{"id":"https://openalex.org/G453067482","display_name":null,"funder_award_id":"014-2020","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G5345576180","display_name":null,"funder_award_id":"ED431C 2018/34","funder_id":"https://openalex.org/F4320326655","funder_display_name":"Xunta de Galicia"},{"id":"https://openalex.org/G5509659972","display_name":null,"funder_award_id":"CHIST-ERA","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G5634946813","display_name":null,"funder_award_id":"2014-2020","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G601179018","display_name":null,"funder_award_id":"UIDB/00760/2020","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G6716311577","display_name":null,"funder_award_id":"UIDP/00760/2020","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G6870533126","display_name":null,"funder_award_id":"2014-2020","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G7049410507","display_name":null,"funder_award_id":"Portuguese Foundation for Science","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G7224627388","display_name":null,"funder_award_id":"ED431","funder_id":"https://openalex.org/F4320326655","funder_display_name":"Xunta de Galicia"},{"id":"https://openalex.org/G726424357","display_name":null,"funder_award_id":"ED431G 2019/01","funder_id":"https://openalex.org/F4320326655","funder_display_name":"Xunta de Galicia"},{"id":"https://openalex.org/G751542693","display_name":null,"funder_award_id":"CHIST-ERA/0004/2019","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G801766868","display_name":null,"funder_award_id":"ED431G 2019/0","funder_id":"https://openalex.org/F4320326655","funder_display_name":"Xunta de Galicia"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320326655","display_name":"Xunta de Galicia","ror":"https://ror.org/0181xnw06"},{"id":"https://openalex.org/F4320334779","display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","ror":"https://ror.org/00snfqn58"},{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320338463","display_name":"CHIST-ERA","ror":"https://ror.org/00rbzpz17"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W65738273","https://openalex.org/W133617167","https://openalex.org/W1850577772","https://openalex.org/W1864680547","https://openalex.org/W1970978220","https://openalex.org/W1981433115","https://openalex.org/W2027176154","https://openalex.org/W2101234009","https://openalex.org/W2116300222","https://openalex.org/W2129451159","https://openalex.org/W2479027570","https://openalex.org/W2482583046","https://openalex.org/W2626158806","https://openalex.org/W2765312595","https://openalex.org/W2794288778","https://openalex.org/W2804522644","https://openalex.org/W2847284300","https://openalex.org/W2884123408","https://openalex.org/W2914489277","https://openalex.org/W2954651465","https://openalex.org/W2963154271","https://openalex.org/W2964937598","https://openalex.org/W2969522732","https://openalex.org/W2970347295","https://openalex.org/W2997028436","https://openalex.org/W2998798568","https://openalex.org/W3025213995","https://openalex.org/W3032537708","https://openalex.org/W3114177701","https://openalex.org/W3119094433","https://openalex.org/W3198299806","https://openalex.org/W3205510019","https://openalex.org/W6605757864","https://openalex.org/W6638702341","https://openalex.org/W6675354045","https://openalex.org/W6752866118"],"related_works":["https://openalex.org/W4390608645","https://openalex.org/W4247566972","https://openalex.org/W2960264696","https://openalex.org/W3090563135","https://openalex.org/W2497432351","https://openalex.org/W4206777497","https://openalex.org/W4233347783","https://openalex.org/W2910064364","https://openalex.org/W4255224757","https://openalex.org/W2499527417"],"abstract_inverted_index":{"The":[0,36,77],"emergence":[1],"of":[2,30,40,70,73,148,165,169],"the":[3,52,64,104,126,131,146,153,166,170],"Industry":[4],"4.0":[5],"trend":[6],"brings":[7],"automation":[8],"and":[9,18,25,32,38,43,84,121],"data":[10,42,117],"exchange":[11],"to":[12,23,114,152],"industrial":[13],"manufacturing.":[14],"Using":[15],"computational":[16],"systems":[17],"IoT":[19],"devices":[20],"allows":[21],"businesses":[22],"collect":[24],"deal":[26,115],"with":[27,107,116,125],"vast":[28],"volumes":[29],"sensorial":[31],"business":[33],"process":[34],"data.":[35,54],"growing":[37],"proliferation":[39],"big":[41],"machine":[44],"learning":[45],"technologies":[46],"enable":[47],"strategic":[48],"decisions":[49],"based":[50],"on":[51],"analyzed":[53],"This":[55],"study":[56],"suggests":[57],"a":[58,71],"data-driven":[59],"predictive":[60],"maintenance":[61],"framework":[62],"for":[63],"air":[65],"production":[66],"unit":[67],"(APU)":[68],"system":[69],"train":[72,172],"Metro":[74],"do":[75],"Porto.":[76],"proposed":[78],"method":[79,106,128],"assists":[80],"in":[81,86],"detecting":[82],"failures":[83,168],"errors":[85],"machinery":[87],"before":[88],"they":[89],"reach":[90],"critical":[91],"stages.":[92],"We":[93,119],"present":[94],"an":[95,100],"anomaly":[96,160],"detection":[97,161],"model":[98,139],"following":[99],"unsupervised":[101],"approach,":[102],"combining":[103],"Half-Space-trees":[105],"One":[108,132],"Class":[109,133],"K":[110,134],"Nearest":[111,135],"Neighbor,":[112],"adapted":[113],"streams.":[118],"evaluate":[120],"compare":[122],"our":[123],"approach":[124],"Half-Space-Trees":[127,154],"applied":[129],"without":[130],"Neighbor":[136],"combination.":[137],"Our":[138,156],"produced":[140],"few":[141],"type-I":[142],"errors,":[143],"significantly":[144],"increasing":[145],"value":[147],"precision":[149],"when":[150],"compared":[151],"model.":[155],"proposal":[157],"achieved":[158],"high":[159],"performance,":[162],"predicting":[163],"most":[164],"catastrophic":[167],"APU":[171],"system.":[173]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}