{"id":"https://openalex.org/W4399412382","doi":"https://doi.org/10.1109/access.2024.3410171","title":"UNI-CAL: A Universal AI-Driven Model for Air Pollutant Sensor Calibration With Domain-Specific Knowledge Inputs","display_name":"UNI-CAL: A Universal AI-Driven Model for Air Pollutant Sensor Calibration With Domain-Specific Knowledge Inputs","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4399412382","doi":"https://doi.org/10.1109/access.2024.3410171"},"language":"en","primary_location":{"id":"doi:10.1109/access.2024.3410171","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/access.2024.3410171","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://dx.doi.org/10.1109/access.2024.3410171","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5082137392","display_name":"Yang Han","orcid":"https://orcid.org/0000-0003-3782-4655"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yang Han","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0003-3782-4655","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060368043","display_name":"Shiguang Song","orcid":"https://orcid.org/0000-0002-9336-0560"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Shiguang Song","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-9336-0560","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033283207","display_name":"Yangwen Yu","orcid":"https://orcid.org/0000-0001-9513-878X"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yangwen Yu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0001-9513-878X","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048232137","display_name":"Jacqueline C. K. Lam","orcid":"https://orcid.org/0000-0002-8805-3574"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jacqueline C. K. Lam","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-8805-3574","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056877599","display_name":"Victor O. K. Li","orcid":"https://orcid.org/0000-0002-1380-9445"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Victor O. K. Li","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-1380-9445","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I889458895"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.5275,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.60370343,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"12","issue":null,"first_page":"126531","last_page":"126544"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12120","display_name":"Air Quality Monitoring and Forecasting","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12120","display_name":"Air Quality Monitoring and Forecasting","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10190","display_name":"Air Quality and Health Impacts","score":0.9724000096321106,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10075","display_name":"Atmospheric chemistry and aerosols","score":0.9452000260353088,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.7178035974502563},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6222378611564636},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.5800465941429138},{"id":"https://openalex.org/keywords/pollutant","display_name":"Pollutant","score":0.5490201711654663},{"id":"https://openalex.org/keywords/air-pollutants","display_name":"Air pollutants","score":0.4187212884426117},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.41103053092956543},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.32750657200813293},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.32664954662323},{"id":"https://openalex.org/keywords/air-pollution","display_name":"Air pollution","score":0.2115720510482788},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10734933614730835},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08202841877937317},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.07287847995758057}],"concepts":[{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.7178035974502563},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6222378611564636},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.5800465941429138},{"id":"https://openalex.org/C82685317","wikidata":"https://www.wikidata.org/wiki/Q19829510","display_name":"Pollutant","level":2,"score":0.5490201711654663},{"id":"https://openalex.org/C2987853052","wikidata":"https://www.wikidata.org/wiki/Q131123","display_name":"Air pollutants","level":3,"score":0.4187212884426117},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41103053092956543},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.32750657200813293},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.32664954662323},{"id":"https://openalex.org/C559116025","wikidata":"https://www.wikidata.org/wiki/Q131123","display_name":"Air pollution","level":2,"score":0.2115720510482788},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10734933614730835},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08202841877937317},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.07287847995758057},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","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/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2024.3410171","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/access.2024.3410171","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:44cae190eefd47e880f173370f3300c4","is_oa":true,"landing_page_url":"https://doaj.org/article/44cae190eefd47e880f173370f3300c4","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":"IEEE Access, Vol 12, Pp 126531-126544 (2024)","raw_type":"article"},{"id":"pmh:oai:hub.hku.hk:10722/351084","is_oa":true,"landing_page_url":"https://hub.hku.hk/handle/10722/351084","pdf_url":null,"source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":{"id":"doi:10.1109/access.2024.3410171","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/access.2024.3410171","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":59,"referenced_works":["https://openalex.org/W1649411538","https://openalex.org/W1994124263","https://openalex.org/W2055361278","https://openalex.org/W2068743750","https://openalex.org/W2079098817","https://openalex.org/W2137079276","https://openalex.org/W2194775991","https://openalex.org/W2289128632","https://openalex.org/W2296609147","https://openalex.org/W2302042766","https://openalex.org/W2471323753","https://openalex.org/W2475217919","https://openalex.org/W2512873846","https://openalex.org/W2528305538","https://openalex.org/W2531207741","https://openalex.org/W2727938958","https://openalex.org/W2730157627","https://openalex.org/W2751208088","https://openalex.org/W2758868260","https://openalex.org/W2774406188","https://openalex.org/W2784031884","https://openalex.org/W2793323011","https://openalex.org/W2794880881","https://openalex.org/W2798262721","https://openalex.org/W2880156893","https://openalex.org/W2885404876","https://openalex.org/W2888083765","https://openalex.org/W2900515296","https://openalex.org/W2903937822","https://openalex.org/W2914430336","https://openalex.org/W2935636814","https://openalex.org/W2947059554","https://openalex.org/W2963486826","https://openalex.org/W2978670148","https://openalex.org/W2979326004","https://openalex.org/W2979880198","https://openalex.org/W2999896177","https://openalex.org/W3015345635","https://openalex.org/W3040662560","https://openalex.org/W3080267211","https://openalex.org/W3083881655","https://openalex.org/W3182706339","https://openalex.org/W3197201504","https://openalex.org/W3208554304","https://openalex.org/W3208565361","https://openalex.org/W3212198808","https://openalex.org/W4221117136","https://openalex.org/W4235953583","https://openalex.org/W4286898377","https://openalex.org/W4386054250","https://openalex.org/W4389891156","https://openalex.org/W4393119309","https://openalex.org/W4393147232","https://openalex.org/W4394643672","https://openalex.org/W6696332616","https://openalex.org/W6796727734","https://openalex.org/W6803262932","https://openalex.org/W6803272178","https://openalex.org/W6804017529"],"related_works":["https://openalex.org/W2392427421","https://openalex.org/W2717992184","https://openalex.org/W2141097079","https://openalex.org/W2944809113","https://openalex.org/W2391255140","https://openalex.org/W2156878610","https://openalex.org/W142713682","https://openalex.org/W4286275426","https://openalex.org/W2388169538","https://openalex.org/W2772399164"],"abstract_inverted_index":{"Portable":[0],"Sensor":[1],"Nodes":[2],"(PSNs)":[3],"can":[4,40,229],"supplement":[5],"geographically":[6],"sparse":[7],"government-run":[8],"static":[9],"air":[10,26],"quality":[11],"monitoring":[12,47],"stations":[13],"(AQMSs).":[14],"A":[15],"PSN":[16,86],"typically":[17],"consists":[18],"of":[19,36,134,156,166,197,251],"several":[20],"low-cost":[21],"pollution":[22,60,70],"sensors":[23,39,61,71,157],"for":[24,52,104],"different":[25,59,64,73,77,106,234],"pollutants,":[27,107],"which":[28],"must":[29],"be":[30,41],"calibrated":[31,159],"to":[32,83,90,93,174,243],"improve":[33,244],"the":[34,44,68,130,154,164,175,193,215,226,245,252],"accuracy":[35,46],"measurements.":[37],"These":[38],"co-located":[42],"with":[43,87,126],"high":[45],"equipment":[48],"(HAME)":[49],"at":[50],"AQMSs":[51],"calibration.":[53],"Existing":[54],"studies":[55],"have":[56],"suggested":[57],"that":[58],"may":[62,75],"favor":[63,76],"calibration":[65,98,155,168,195,212,254],"models;":[66],"even":[67],"same":[69],"in":[72,210,218],"PSNs":[74,182],"models.":[78],"However,":[79],"it":[80],"is":[81],"impractical":[82],"co-locate":[84],"each":[85],"HAME":[88],"due":[89],"limited":[91],"access":[92],"AQMSs,":[94],"making":[95],"large-scale":[96],"sensor":[97],"difficult.":[99],"This":[100],"study":[101],"proposes":[102],"UNI-CAL":[103,148,161,198,204],"calibrating":[105],"including":[108,141],"nitrogen":[109],"dioxide":[110],"(NO2),":[111],"ozone":[112],"(O3),":[113],"and":[114,118,145,181,213,237,249],"particulate":[115],"matter":[116],"(PM2.5":[117],"PM10),":[119],"based":[120],"on":[121,171,183,201],"a":[122,207],"novel":[123],"AI-driven":[124],"model":[125],"residual":[127],"blocks":[128],"capturing":[129],"complex":[131],"non-linear":[132],"interactions":[133],"raw":[135],"measurements":[136],"plus":[137],"citywide":[138],"domain-specific":[139,188,223],"information,":[140],"meteorology,":[142],"background":[143],"pollution,":[144],"temporal":[146],"characteristics.":[147],"further":[149],"allows":[150],"transfer":[151,211],"calibration,":[152],"i.e.,":[153],"from":[158],"ones.":[160],"has":[162,190,205],"improved":[163,192],"performance":[165,196,217],"direct":[167,194],"by":[169,199],"3.143%":[170],"average":[172],"compared":[173],"best":[176,216],"baseline":[177],"across":[178],"all":[179,184],"pollutants":[180],"evaluation":[185],"metrics.":[186],"Moreover,":[187],"information":[189],"significantly":[191],"4.852%":[200],"average.":[202],"Furthermore,":[203],"demonstrated":[206],"strong":[208],"capability":[209],"achieved":[214],"most":[219],"scenarios":[220],"after":[221],"incorporating":[222],"information.":[224],"In":[225],"future,":[227],"one":[228],"collect":[230],"more":[231],"data":[232],"covering":[233],"environmental":[235],"conditions":[236],"explore":[238],"advanced":[239],"semi-supervised":[240],"learning":[241],"techniques":[242],"consistency,":[246],"robustness,":[247],"generalizability,":[248],"transferability":[250],"proposed":[253],"framework.":[255]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
