{"id":"https://openalex.org/W3093768349","doi":"https://doi.org/10.1109/icumt51630.2020.9222411","title":"Improving DBSCAN for Indoor Positioning Using Wi-Fi Radio Maps in Wearable and IoT Devices","display_name":"Improving DBSCAN for Indoor Positioning Using Wi-Fi Radio Maps in Wearable and IoT Devices","publication_year":2020,"publication_date":"2020-10-01","ids":{"openalex":"https://openalex.org/W3093768349","doi":"https://doi.org/10.1109/icumt51630.2020.9222411","mag":"3093768349"},"language":"en","primary_location":{"id":"doi:10.1109/icumt51630.2020.9222411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icumt51630.2020.9222411","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 12th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://zenodo.org/record/4095163","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5011996470","display_name":"Darwin Quezada-Gaibor","orcid":"https://orcid.org/0000-0002-8064-9955"},"institutions":[{"id":"https://openalex.org/I10902133","display_name":"Universitat Jaume I","ror":"https://ror.org/02ws1xc11","country_code":"ES","type":"education","lineage":["https://openalex.org/I10902133"]},{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["ES","FI"],"is_corresponding":true,"raw_author_name":"Darwin Quezada-Gaibor","raw_affiliation_strings":["Electrical Engineering Unit, Tampere University, Tampere, Finland","Institute of New Imaging Technologies, Universitat Jaume I, Castell\u00f3n, Spain"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Unit, Tampere University, Tampere, Finland","institution_ids":["https://openalex.org/I166825849"]},{"raw_affiliation_string":"Institute of New Imaging Technologies, Universitat Jaume I, Castell\u00f3n, Spain","institution_ids":["https://openalex.org/I10902133"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081121079","display_name":"Lucie Klus","orcid":"https://orcid.org/0000-0003-0354-9421"},"institutions":[{"id":"https://openalex.org/I10902133","display_name":"Universitat Jaume I","ror":"https://ror.org/02ws1xc11","country_code":"ES","type":"education","lineage":["https://openalex.org/I10902133"]},{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["ES","FI"],"is_corresponding":false,"raw_author_name":"Lucie Klus","raw_affiliation_strings":["Electrical Engineering Unit, Tampere University, Tampere, Finland","Institute of New Imaging Technologies, Universitat Jaume I, Castell\u00f3n, Spain"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Unit, Tampere University, Tampere, Finland","institution_ids":["https://openalex.org/I166825849"]},{"raw_affiliation_string":"Institute of New Imaging Technologies, Universitat Jaume I, Castell\u00f3n, Spain","institution_ids":["https://openalex.org/I10902133"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059422222","display_name":"Joaqu\u00edn Torres-Sospedra","orcid":"https://orcid.org/0000-0003-4338-4334"},"institutions":[{"id":"https://openalex.org/I10902133","display_name":"Universitat Jaume I","ror":"https://ror.org/02ws1xc11","country_code":"ES","type":"education","lineage":["https://openalex.org/I10902133"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Joaquiin Torres-Sospedra","raw_affiliation_strings":["Institute of New Imaging Technologies, Universitat Jaume I, Castell\u00f3n, Spain","UBIK Geospatial Solutions S.L., Castell\u00f3n, Spain"],"affiliations":[{"raw_affiliation_string":"Institute of New Imaging Technologies, Universitat Jaume I, Castell\u00f3n, Spain","institution_ids":["https://openalex.org/I10902133"]},{"raw_affiliation_string":"UBIK Geospatial Solutions S.L., Castell\u00f3n, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063382658","display_name":"Elena Simona Lohan","orcid":"https://orcid.org/0000-0003-1718-6924"},"institutions":[{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Elena Simona Lohan","raw_affiliation_strings":["Electrical Engineering Unit, Tampere University, Tampere, Finland"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Unit, Tampere University, Tampere, Finland","institution_ids":["https://openalex.org/I166825849"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035297149","display_name":"Jari Nurmi","orcid":"https://orcid.org/0000-0003-2169-4606"},"institutions":[{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Jari Nurmi","raw_affiliation_strings":["Electrical Engineering Unit, Tampere University, Tampere, Finland"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Unit, Tampere University, Tampere, Finland","institution_ids":["https://openalex.org/I166825849"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009646364","display_name":"Joaqu\u0131\u0301n Huerta","orcid":"https://orcid.org/0000-0002-8625-441X"},"institutions":[{"id":"https://openalex.org/I10902133","display_name":"Universitat Jaume I","ror":"https://ror.org/02ws1xc11","country_code":"ES","type":"education","lineage":["https://openalex.org/I10902133"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Joaquin Huerta","raw_affiliation_strings":["Institute of New Imaging Technologies, Universitat Jaume I, Castell\u00f3n, Spain"],"affiliations":[{"raw_affiliation_string":"Institute of New Imaging Technologies, Universitat Jaume I, Castell\u00f3n, Spain","institution_ids":["https://openalex.org/I10902133"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5011996470"],"corresponding_institution_ids":["https://openalex.org/I10902133","https://openalex.org/I166825849"],"apc_list":null,"apc_paid":null,"fwci":0.416,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.62246111,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"208","last_page":"213"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9962999820709229,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.972599983215332,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/dbscan","display_name":"DBSCAN","score":0.955438494682312},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8064694404602051},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.5429610013961792},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5378649830818176},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.5281479358673096},{"id":"https://openalex.org/keywords/dimensionality-reduction","display_name":"Dimensionality reduction","score":0.5129199028015137},{"id":"https://openalex.org/keywords/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.4956704378128052},{"id":"https://openalex.org/keywords/internet-of-things","display_name":"Internet of Things","score":0.4130333960056305},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.40522345900535583},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.356375128030777},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.1827806532382965},{"id":"https://openalex.org/keywords/fuzzy-clustering","display_name":"Fuzzy clustering","score":0.09950700402259827},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.09799480438232422}],"concepts":[{"id":"https://openalex.org/C46576248","wikidata":"https://www.wikidata.org/wiki/Q1114630","display_name":"DBSCAN","level":5,"score":0.955438494682312},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8064694404602051},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.5429610013961792},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5378649830818176},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.5281479358673096},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.5129199028015137},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.4956704378128052},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.4130333960056305},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40522345900535583},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.356375128030777},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.1827806532382965},{"id":"https://openalex.org/C17212007","wikidata":"https://www.wikidata.org/wiki/Q5511111","display_name":"Fuzzy clustering","level":3,"score":0.09950700402259827},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.09799480438232422},{"id":"https://openalex.org/C104047586","wikidata":"https://www.wikidata.org/wiki/Q5033439","display_name":"Canopy clustering algorithm","level":4,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/icumt51630.2020.9222411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icumt51630.2020.9222411","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 12th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)","raw_type":"proceedings-article"},{"id":"pmh:oai:repositori.uji.es:10234/199259","is_oa":false,"landing_page_url":"http://hdl.handle.net/10234/199259","pdf_url":null,"source":{"id":"https://openalex.org/S4306400303","display_name":"Repositori UJI (Universitat Jaume I)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I10902133","host_organization_name":"Universitat Jaume I","host_organization_lineage":["https://openalex.org/I10902133"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:trepo.tuni.fi:10024/217908","is_oa":false,"landing_page_url":"https://trepo.tuni.fi/handle/10024/217908","pdf_url":null,"source":{"id":"https://openalex.org/S7407055260","display_name":"Trepo - Institutional Repository of Tampere University","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":"conference"},{"id":"pmh:oai:zenodo.org:4095163","is_oa":true,"landing_page_url":"https://zenodo.org/record/4095163","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferencePaper"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:4095163","is_oa":true,"landing_page_url":"https://zenodo.org/record/4095163","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferencePaper"},"sustainable_development_goals":[{"score":0.4300000071525574,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1142712111","https://openalex.org/W1673310716","https://openalex.org/W1825073837","https://openalex.org/W2097749765","https://openalex.org/W2163314541","https://openalex.org/W2164877031","https://openalex.org/W2228705210","https://openalex.org/W2418090752","https://openalex.org/W2515976631","https://openalex.org/W2555676925","https://openalex.org/W2587527959","https://openalex.org/W2607437173","https://openalex.org/W2607595839","https://openalex.org/W2762342550","https://openalex.org/W2770804382","https://openalex.org/W2787516708","https://openalex.org/W2805750907","https://openalex.org/W2835442853","https://openalex.org/W2908683273","https://openalex.org/W2947693783","https://openalex.org/W2981723481","https://openalex.org/W3005345245","https://openalex.org/W3005878296","https://openalex.org/W3006026485","https://openalex.org/W3099682841","https://openalex.org/W3209013322","https://openalex.org/W6637131181","https://openalex.org/W6744995440","https://openalex.org/W6931203536"],"related_works":["https://openalex.org/W1995622179","https://openalex.org/W4291951468","https://openalex.org/W1552543208","https://openalex.org/W2074396517","https://openalex.org/W2166963679","https://openalex.org/W2187269125","https://openalex.org/W1641615907","https://openalex.org/W3089231081","https://openalex.org/W2093956241","https://openalex.org/W2354420595"],"abstract_inverted_index":{"IoT":[0],"devices":[1,19],"and":[2,50,123,134],"wearables":[3],"may":[4],"rely":[5],"on":[6,86],"Wi-Fi":[7],"finger-printing":[8],"to":[9,23,27,45,90,94,119],"estimate":[10],"the":[11,29,35,39,47,52,55,87,95,110,120,124],"position":[12],"indoors.":[13],"The":[14],"limited":[15],"resources":[16],"of":[17,41,54,69,102],"these":[18],"make":[20],"it":[21],"necessary":[22],"provide":[24,65],"adequate":[25],"methods":[26],"reduce":[28,51],"operational":[30],"computational":[31],"load":[32],"without":[33],"degrading":[34],"positioning":[36,48,111],"error.":[37],"Thus,":[38],"aim":[40],"this":[42],"article":[43],"is":[44],"improve":[46],"error":[49,112],"dimensionality":[53,77,127],"radio":[56,125],"map":[57,126],"by":[58,115],"using":[59],"an":[60,66],"enhanced":[61],"DBSCAN.":[62],"Moreover,":[63],"we":[64,80],"additional":[67],"analysis":[68,74],"combining":[70],"DBSCAN":[71],"+":[72],"PCA":[73],"for":[75],"further":[76],"reduction.":[78],"Thereby,":[79],"implement":[81],"a":[82,108],"postprocessing":[83],"method":[84],"based":[85],"correlation":[88],"coefficient":[89],"join":[91],"\"noisy\"":[92],"samples":[93,133],"formed":[96],"clusters":[97],"with":[98,104,117],"Density-based":[99],"Spatial":[100],"Clustering":[101],"Applications":[103],"Noise":[105],"(DBSCAN).":[106],"As":[107],"result,":[109],"was":[113,128],"reduced":[114,129],"10%":[116],"respect":[118],"plain":[121],"DBSCAN,":[122],"in":[130],"both":[131],"dimensions,":[132],"Access":[135],"Points":[136],"(APs).":[137]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}
