{"id":"https://openalex.org/W7165117158","doi":"https://doi.org/10.1145/3744256.3812590","title":"Reliable Indoor Air Quality Prediction with Uncertainty-Aware Spatiotemporal GNN","display_name":"Reliable Indoor Air Quality Prediction with Uncertainty-Aware Spatiotemporal GNN","publication_year":2026,"publication_date":"2026-06-19","ids":{"openalex":"https://openalex.org/W7165117158","doi":"https://doi.org/10.1145/3744256.3812590"},"language":null,"primary_location":{"id":"doi:10.1145/3744256.3812590","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3744256.3812590","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3744256.3812590","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5075909334","display_name":"Cong Huang","orcid":"https://orcid.org/0009-0007-0915-8639"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Cong Huang","raw_affiliation_strings":["Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0009-0007-0915-8639","affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088561209","display_name":"Jack C.P. Cheng","orcid":"https://orcid.org/0000-0002-1722-2617"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jack C. P. Cheng","raw_affiliation_strings":["Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-1722-2617","affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038192916","display_name":"Fangli Hou","orcid":"https://orcid.org/0000-0002-5344-2852"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Fangli Hou","raw_affiliation_strings":["Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-5344-2852","affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055068723","display_name":"Zhaoji Wu","orcid":"https://orcid.org/0000-0002-6739-7909"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zhaoji Wu","raw_affiliation_strings":["Department of Building Environment and Energy Engineering, The Hong Kong Polytech University, Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-6739-7909","affiliations":[{"raw_affiliation_string":"Department of Building Environment and Energy Engineering, The Hong Kong Polytech University, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101943813","display_name":"H.L. Kwok","orcid":"https://orcid.org/0000-0002-7179-9281"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Helen H. L. Kwok","raw_affiliation_strings":["Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-7179-9281","affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.88731925,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"324","last_page":"333"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12120","display_name":"Air Quality Monitoring and Forecasting","score":0.9448000192642212,"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":0.9448000192642212,"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/T10121","display_name":"Building Energy and Comfort Optimization","score":0.010499999858438969,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"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/T10036","display_name":"Advanced Neural Network Applications","score":0.003800000064074993,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/quality","display_name":"Quality (philosophy)","score":0.34369999170303345},{"id":"https://openalex.org/keywords/air-quality-index","display_name":"Air quality index","score":0.2766999900341034},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.2363000065088272},{"id":"https://openalex.org/keywords/indoor-air-quality","display_name":"Indoor air quality","score":0.22200000286102295},{"id":"https://openalex.org/keywords/air-pollution","display_name":"Air pollution","score":0.21299999952316284}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6018999814987183},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5023000240325928},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.34369999170303345},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.311599999666214},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.28540000319480896},{"id":"https://openalex.org/C126314574","wikidata":"https://www.wikidata.org/wiki/Q2364111","display_name":"Air quality index","level":2,"score":0.2766999900341034},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.2363000065088272},{"id":"https://openalex.org/C65469","wikidata":"https://www.wikidata.org/wiki/Q905504","display_name":"Indoor air quality","level":2,"score":0.22200000286102295},{"id":"https://openalex.org/C559116025","wikidata":"https://www.wikidata.org/wiki/Q131123","display_name":"Air pollution","level":2,"score":0.21299999952316284},{"id":"https://openalex.org/C108597893","wikidata":"https://www.wikidata.org/wiki/Q663650","display_name":"Reflectivity","level":2,"score":0.2094999998807907}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3744256.3812590","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3744256.3812590","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3744256.3812590","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3744256.3812590","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.6701632142066956,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W2007396308","https://openalex.org/W2051785117","https://openalex.org/W2088974202","https://openalex.org/W2127001520","https://openalex.org/W2138899384","https://openalex.org/W2139095487","https://openalex.org/W2157363636","https://openalex.org/W2164861471","https://openalex.org/W2565330852","https://openalex.org/W2883599811","https://openalex.org/W2908670131","https://openalex.org/W2982079384","https://openalex.org/W3092328889","https://openalex.org/W3097360695","https://openalex.org/W3183369445","https://openalex.org/W3188442444","https://openalex.org/W3195813662","https://openalex.org/W3215544058","https://openalex.org/W4200391080","https://openalex.org/W4200625926","https://openalex.org/W4212961585","https://openalex.org/W4283795814","https://openalex.org/W4293355099","https://openalex.org/W4309179866","https://openalex.org/W4385544670","https://openalex.org/W4386409204","https://openalex.org/W4392641159","https://openalex.org/W4393372049","https://openalex.org/W4399357663","https://openalex.org/W4401191749","https://openalex.org/W4409423074","https://openalex.org/W4409456971","https://openalex.org/W4413097189","https://openalex.org/W4415795940","https://openalex.org/W4417283662"],"related_works":[],"abstract_inverted_index":{"Data-driven":[0],"deep":[1],"learning":[2],"techniques":[3],"are":[4],"increasingly":[5],"applied":[6],"to":[7,14,58,72,86,125],"indoor":[8],"air":[9],"quality":[10],"(IAQ)":[11],"forecasting":[12,45,117],"owing":[13],"the":[15,49,74,107],"proliferation":[16],"of":[17],"IoT-based":[18],"sensor":[19,64],"networks.":[20],"However,":[21],"uncertainty":[22,133],"quantification":[23],"remains":[24],"largely":[25],"overlooked":[26],"in":[27],"existing":[28],"spatiotemporal":[29,38,50,61],"IAQ":[30,39,44,96],"prediction":[31,40,113],"models.":[32],"This":[33],"study":[34],"proposes":[35],"an":[36],"uncertainty-aware":[37],"framework":[41,91],"for":[42],"probabilistic":[43],"while":[46,130],"explicitly":[47],"capture":[48],"dynamics.":[51],"The":[52,90],"model":[53,110],"integrates":[54],"graph":[55,67],"attention":[56],"layers":[57],"dynamically":[59],"encode":[60],"dependencies":[62],"among":[63],"nodes":[65],"and":[66],"convolutional":[68],"gated":[69],"recurrent":[70],"units":[71],"decode":[73],"captured":[75],"information,":[76],"with":[77,135],"Monte":[78],"Carlo":[79],"dropout":[80],"employed":[81],"as":[82],"a":[83,100],"Bayesian":[84],"approximation":[85],"quantify":[87],"predictive":[88],"uncertainties.":[89],"is":[92],"evaluated":[93],"using":[94],"real-world":[95],"measurements":[97],"collected":[98],"from":[99],"multi-zone":[101],"library":[102],"environment.":[103],"Results":[104],"demonstrate":[105],"that":[106],"proposed":[108],"MCD-DGCGRU":[109],"achieves":[111],"superior":[112],"accuracy":[114],"across":[115],"all":[116],"horizons,":[118],"reducing":[119],"mean":[120],"absolute":[121],"error":[122],"by":[123],"up":[124],"16.3%":[126],"(at":[127],"3-hour":[128],"horizon)":[129],"maintaining":[131],"well-calibrated":[132],"estimates":[134],"consistently":[136],"low":[137],"CRPS":[138],"values.":[139]},"counts_by_year":[],"updated_date":"2026-06-20T20:08:15.867695","created_date":"2026-06-19T00:00:00"}
