{"id":"https://openalex.org/W4398186476","doi":"https://doi.org/10.1145/3605098.3635906","title":"Detecting and Explaining Anomalies in the Air Production Unit of a Train","display_name":"Detecting and Explaining Anomalies in the Air Production Unit of a Train","publication_year":2024,"publication_date":"2024-04-08","ids":{"openalex":"https://openalex.org/W4398186476","doi":"https://doi.org/10.1145/3605098.3635906"},"language":"en","primary_location":{"id":"doi:10.1145/3605098.3635906","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3605098.3635906","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 39th ACM/SIGAPP Symposium on Applied Computing","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/A5057831911","display_name":"Narjes Davari","orcid":"https://orcid.org/0000-0003-3636-6146"},"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":true,"raw_author_name":"Narjes Davari","raw_affiliation_strings":["LIAAD, INESC TEC, Porto, Porto, Portugal"],"affiliations":[{"raw_affiliation_string":"LIAAD, INESC TEC, Porto, Porto, Portugal","institution_ids":["https://openalex.org/I4210166615"]}]},{"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/A5085639693","display_name":"Rita P. Ribeiro","orcid":"https://orcid.org/0000-0002-6852-8077"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Rita Paula Ribeiro","raw_affiliation_strings":["Faculty of Sciences, University of Porto, Porto, Portugal"],"affiliations":[{"raw_affiliation_string":"Faculty of Sciences, University of Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"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/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Joao Manuel Portela Da Gama","raw_affiliation_strings":["Faculty of Economics, University of Porto, Porto, Portugal"],"affiliations":[{"raw_affiliation_string":"Faculty of Economics, University of Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5057831911"],"corresponding_institution_ids":["https://openalex.org/I4210166615"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06299213,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"358","last_page":"364"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11357","display_name":"Risk and Safety Analysis","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11357","display_name":"Risk and Safety Analysis","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9623000025749207,"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"}},{"id":"https://openalex.org/T12423","display_name":"Software Reliability and Analysis Research","score":0.9616000056266785,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/production","display_name":"Production (economics)","score":0.5394561886787415},{"id":"https://openalex.org/keywords/unit","display_name":"Unit (ring theory)","score":0.5264526009559631},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.44472068548202515},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.3987550735473633},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.08778488636016846},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07891964912414551}],"concepts":[{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.5394561886787415},{"id":"https://openalex.org/C122637931","wikidata":"https://www.wikidata.org/wiki/Q118084","display_name":"Unit (ring theory)","level":2,"score":0.5264526009559631},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.44472068548202515},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3987550735473633},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.08778488636016846},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07891964912414551},{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3605098.3635906","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3605098.3635906","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 39th ACM/SIGAPP Symposium on Applied Computing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.5199999809265137,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2095705004","https://openalex.org/W2290122975","https://openalex.org/W2970347295","https://openalex.org/W3081229243","https://openalex.org/W3089038503","https://openalex.org/W3119083330","https://openalex.org/W3198299806","https://openalex.org/W3198381997","https://openalex.org/W3205510019","https://openalex.org/W4226249557","https://openalex.org/W4297973310","https://openalex.org/W4311822533","https://openalex.org/W4313854551","https://openalex.org/W4386806279"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052","https://openalex.org/W2382290278","https://openalex.org/W4395014643"],"abstract_inverted_index":{"Predictive":[0],"maintenance":[1,80,157],"methods":[2],"play":[3],"a":[4,26,30,38,77,84,100,109],"crucial":[5],"role":[6],"in":[7,15,102,154],"the":[8,61,65,122,125,138,145,150,155,162,165,169],"early":[9],"detection":[10],"of":[11,67,152,164],"failures":[12],"and":[13,56,70,131],"errors":[14],"machinery,":[16],"preventing":[17],"them":[18],"from":[19,37,53,72],"reaching":[20],"critical":[21],"stages.":[22],"This":[23,159],"paper":[24],"presents":[25],"comprehensive":[27],"study":[28],"on":[29,60,83],"real-world":[31],"dataset":[32,49],"called":[33],"MetroPT3,":[34],"with":[35],"data":[36,51,96],"Metro":[39],"do":[40],"Porto":[41],"train's":[42],"air":[43],"production":[44],"unit":[45],"(APU)":[46],"system.":[47],"The":[48,91,117],"comprises":[50],"collected":[52],"various":[54],"analogue":[55],"digital":[57],"sensors":[58],"installed":[59],"APU":[62],"system,":[63],"enabling":[64],"analysis":[66],"behavioural":[68],"changes":[69],"deviations":[71],"normal":[73],"patterns.":[74],"We":[75,106],"propose":[76],"data-driven":[78],"predictive":[79,156],"framework":[81],"based":[82],"Long":[85],"Short-Term":[86],"Memory":[87],"Autoencoder":[88,111],"(LSTM-AE)":[89],"network.":[90],"LSTM-AE":[92,123],"efficiently":[93],"identifies":[94],"abnormal":[95],"instances,":[97],"leading":[98],"to":[99,134,148,167],"reduction":[101],"false":[103],"alarm":[104],"rates.":[105],"also":[107],"implement":[108],"Sparse":[110],"(SAE)":[112],"approach":[113,160],"for":[114,140],"comparative":[115],"analysis.":[116],"experimental":[118],"results":[119],"demonstrate":[120],"that":[121],"outperforms":[124],"SAE":[126],"regarding":[127],"F1":[128],"Score,":[129],"Recall,":[130],"Precision.":[132],"Furthermore,":[133],"gain":[135],"insights":[136],"into":[137],"reasons":[139],"anomaly":[141],"detection,":[142],"we":[143],"apply":[144],"Shap":[146],"method":[147],"determine":[149],"importance":[151],"features":[153],"model.":[158],"enhances":[161],"interpretability":[163],"model":[166],"support":[168],"decision-making":[170],"process":[171],"better.":[172]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
