{"id":"https://openalex.org/W3016399744","doi":"https://doi.org/10.1109/ifuzzy46984.2019.9066241","title":"Two-Stages Occupancy Number Detection Based on Indoor Environment Attributes By Utilizing Machine Learning Algorithm","display_name":"Two-Stages Occupancy Number Detection Based on Indoor Environment Attributes By Utilizing Machine Learning Algorithm","publication_year":2019,"publication_date":"2019-11-01","ids":{"openalex":"https://openalex.org/W3016399744","doi":"https://doi.org/10.1109/ifuzzy46984.2019.9066241","mag":"3016399744"},"language":"en","primary_location":{"id":"doi:10.1109/ifuzzy46984.2019.9066241","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ifuzzy46984.2019.9066241","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5008357815","display_name":"Jesica Elizabeth Marchelina","orcid":null},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jesica Elizabeth Marchelina","raw_affiliation_strings":["Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018376654","display_name":"Shuo\u2010Yan Chou","orcid":"https://orcid.org/0000-0002-7398-0375"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Shuo-Yan Chou","raw_affiliation_strings":["Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000780003","display_name":"Vincent F. Yu","orcid":"https://orcid.org/0000-0001-8975-0606"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Vincent F. Yu","raw_affiliation_strings":["Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055044541","display_name":"Anindhita Dewabharata","orcid":"https://orcid.org/0000-0003-1275-956X"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Anindhita Dewabharata","raw_affiliation_strings":["Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078977957","display_name":"Vicky Chrystian Sugiarto","orcid":null},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Vicky Chrystian Sugiarto","raw_affiliation_strings":["Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014395163","display_name":"Irene Karijadi","orcid":"https://orcid.org/0000-0002-2144-5063"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Irene Karijadi","raw_affiliation_strings":["Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Industrial Management, Taiwan Building Technology Center, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Taiwan Building Technology Center, National Taiwan University of Science and Technology,Department of Industrial Management,Taipei,Taiwan","institution_ids":["https://openalex.org/I154864474"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I154864474"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"38","last_page":"43"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9818000197410583,"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"}},"topics":[{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9818000197410583,"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"}},{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9602000117301941,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9598000049591064,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/occupancy","display_name":"Occupancy","score":0.8649767637252808},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7405045628547668},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45167818665504456},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4040464758872986},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.40223321318626404},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10804161429405212}],"concepts":[{"id":"https://openalex.org/C160331591","wikidata":"https://www.wikidata.org/wiki/Q7075743","display_name":"Occupancy","level":2,"score":0.8649767637252808},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7405045628547668},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45167818665504456},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4040464758872986},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40223321318626404},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10804161429405212},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ifuzzy46984.2019.9066241","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ifuzzy46984.2019.9066241","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.5,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1147668047","https://openalex.org/W1635989827","https://openalex.org/W1689711448","https://openalex.org/W1979180910","https://openalex.org/W1991784919","https://openalex.org/W1994158003","https://openalex.org/W2068294136","https://openalex.org/W2073359355","https://openalex.org/W2116092561","https://openalex.org/W2148143831","https://openalex.org/W2156530128","https://openalex.org/W2538532460","https://openalex.org/W2588283961","https://openalex.org/W2599103181","https://openalex.org/W2604267738","https://openalex.org/W2615366046","https://openalex.org/W2615843269","https://openalex.org/W2734545837","https://openalex.org/W2738662141","https://openalex.org/W2767145701","https://openalex.org/W2796394553","https://openalex.org/W2894665398","https://openalex.org/W2912557008","https://openalex.org/W2963287487","https://openalex.org/W6733922827"],"related_works":["https://openalex.org/W2961085424","https://openalex.org/W4306674287","https://openalex.org/W3046775127","https://openalex.org/W3107602296","https://openalex.org/W3170094116","https://openalex.org/W4386462264","https://openalex.org/W4364306694","https://openalex.org/W4312192474","https://openalex.org/W4283697347","https://openalex.org/W4210805261"],"abstract_inverted_index":{"As":[0],"the":[1,32,50,57,60,65,81,86,102,106,129,141,158,173,185,192,202,234,267],"building":[2],"energy":[3,17],"conservation":[4],"awareness":[5],"increased,":[6],"many":[7,21],"sensors":[8,22],"and":[9,49,134,182,210,239,264,279],"methods":[10,113],"utilized":[11,220,237],"as":[12,88,260,275],"an":[13],"effort":[14],"to":[15,37,75,97,127,139,150,170,191,221],"achieve":[16],"saving.":[18],"There":[19],"are":[20,207],"already":[23],"utilized.":[24],"However,":[25],"each":[26],"sensor":[27,35],"has":[28,73],"its":[29],"disadvantages.":[30],"Therefore,":[31],"indoor":[33,66,103],"environment":[34,67,104],"seems":[36],"be":[38],"suitable":[39],"because":[40],"it":[41],"is":[42,197],"a":[43,53],"non-intrusive":[44],"method,":[45,48],"non-terminal":[46],"based":[47],"variables":[51],"have":[52],"high":[54],"correlation":[55],"with":[56,256,271],"presence":[58],"of":[59,64,108,157,172,201,245],"occupant.":[61],"Time-series":[62],"prediction":[63,78,95],"attributes":[68,228],"conducted":[69,96],"using":[70,231],"LSTM.":[71,232],"LSTM":[72],"proven":[74],"give":[76],"high-accuracy":[77],"result":[79],"for":[80,248],"three":[82,218,235,249,253],"different":[83],"testing":[84],"datasets":[85,125],"accuracy":[87,214,246,259,274],"follows:":[89,261,276],"89.3%,":[90],"95.1%,":[91],"93.6%.":[92],"Hence,":[93],"after":[94,225],"obtain":[98,222,258],"occupant":[99,164,223],"number":[100],"from":[101],"features":[105],"comparison":[107],"six":[109],"machine":[110,159,174,193,203],"learning":[111,160,175,194,204],"classification":[112],"which":[114,206,229],"are:":[115],"SVM,":[116],"RF,":[117,208,238],"DTC,":[118,209],"MLP,":[119],"k-NN,":[120],"ANN":[121],"also":[122],"conducted.":[123],"Three":[124,200],"used":[126],"test":[128],"model,":[130],"both":[131],"original":[132],"data":[133,136],"oversampling":[135,154],"used.":[137],"Thus,":[138,216],"address":[140],"real-world":[142],"problem":[143,187],"condition":[144],"where":[145],"imbalanced":[146,179],"class":[147],"occurred":[148],"due":[149],"uncertainty.":[151],"Overall,":[152],"SMOTE":[153,166,257,272],"boost":[155],"all":[156,171],"performance":[161,196],"while":[162,176],"obtaining":[163],"number.":[165],"Algorithm":[167],"contributes":[168],"significantly":[169],"predicting":[177],"multiclass":[178],"dataset":[180,254],"(Dataset-2":[181],"Dataset-3).":[183],"For":[184,252],"binary":[186],"(Dataset-1),":[188],"SMOTE's":[189],"contribution":[190],"model":[195],"not":[198],"significant.":[199],"algorithms":[205,219,236],"k-NN":[211],"produce":[212],"good":[213],"consistently.":[215],"those":[217],"numbers":[224],"Indoor":[226],"Environment":[227],"predicted":[230],"From":[233],"KNN":[240,270],"outperforms":[241],"DTC":[242],"in":[243],"terms":[244],"consistency":[247],"oversampled":[250],"datasets.":[251],"RF":[255],"97.8%,":[262],"63.2%,":[263],"79.1%.":[265],"On":[266],"other":[268],"hand,":[269],"produces":[273],"96.8%,":[277],"61.4%,":[278],"81.5%.":[280]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}