{"id":"https://openalex.org/W4210519529","doi":"https://doi.org/10.3390/s22030881","title":"Estimating Congestion in a Fixed-Route Bus by Using BLE Signals","display_name":"Estimating Congestion in a Fixed-Route Bus by Using BLE Signals","publication_year":2022,"publication_date":"2022-01-24","ids":{"openalex":"https://openalex.org/W4210519529","doi":"https://doi.org/10.3390/s22030881","pmid":"https://pubmed.ncbi.nlm.nih.gov/35161627"},"language":"en","primary_location":{"id":"doi:10.3390/s22030881","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22030881","pdf_url":"https://www.mdpi.com/1424-8220/22/3/881/pdf?version=1644284800","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/22/3/881/pdf?version=1644284800","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5055195937","display_name":"Yuji Kanamitsu","orcid":null},"institutions":[{"id":"https://openalex.org/I4210126580","display_name":"RIKEN Center for Advanced Intelligence Project","ror":"https://ror.org/03ckxwf91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]},{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yuji Kanamitsu","raw_affiliation_strings":["Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","RIKEN Center for Advanced Intelligence Project AIP, Tokyo 103-0027, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"RIKEN Center for Advanced Intelligence Project AIP, Tokyo 103-0027, Japan","institution_ids":["https://openalex.org/I4210126580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085877388","display_name":"Eigo Taya","orcid":null},"institutions":[{"id":"https://openalex.org/I4210126580","display_name":"RIKEN Center for Advanced Intelligence Project","ror":"https://ror.org/03ckxwf91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]},{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Eigo Taya","raw_affiliation_strings":["Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","RIKEN Center for Advanced Intelligence Project AIP, Tokyo 103-0027, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"RIKEN Center for Advanced Intelligence Project AIP, Tokyo 103-0027, Japan","institution_ids":["https://openalex.org/I4210126580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019681274","display_name":"Koki Tachibana","orcid":"https://orcid.org/0000-0002-7372-5657"},"institutions":[{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koki Tachibana","raw_affiliation_strings":["Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017062920","display_name":"Yugo Nakamura","orcid":"https://orcid.org/0000-0002-8834-5323"},"institutions":[{"id":"https://openalex.org/I135598925","display_name":"Kyushu University","ror":"https://ror.org/00p4k0j84","country_code":"JP","type":"education","lineage":["https://openalex.org/I135598925"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yugo Nakamura","raw_affiliation_strings":["Graduate School and Faculty of Information Science and Electrical Engineering, Kyushu University, Fukuoka 819-0395, Japan","JST PRESTO, Tokyo 102-0076, Japan"],"raw_orcid":"https://orcid.org/0000-0002-8834-5323","affiliations":[{"raw_affiliation_string":"Graduate School and Faculty of Information Science and Electrical Engineering, Kyushu University, Fukuoka 819-0395, Japan","institution_ids":["https://openalex.org/I135598925"]},{"raw_affiliation_string":"JST PRESTO, Tokyo 102-0076, Japan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011128904","display_name":"Yuki Matsuda","orcid":"https://orcid.org/0000-0002-3135-4915"},"institutions":[{"id":"https://openalex.org/I4210126580","display_name":"RIKEN Center for Advanced Intelligence Project","ror":"https://ror.org/03ckxwf91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]},{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuki Matsuda","raw_affiliation_strings":["Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","JST PRESTO, Tokyo 102-0076, Japan","RIKEN Center for Advanced Intelligence Project AIP, Tokyo 103-0027, Japan"],"raw_orcid":"https://orcid.org/0000-0002-3135-4915","affiliations":[{"raw_affiliation_string":"Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"JST PRESTO, Tokyo 102-0076, Japan","institution_ids":[]},{"raw_affiliation_string":"RIKEN Center for Advanced Intelligence Project AIP, Tokyo 103-0027, Japan","institution_ids":["https://openalex.org/I4210126580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005700675","display_name":"Hirohiko Suwa","orcid":"https://orcid.org/0000-0002-8519-3352"},"institutions":[{"id":"https://openalex.org/I4210126580","display_name":"RIKEN Center for Advanced Intelligence Project","ror":"https://ror.org/03ckxwf91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]},{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hirohiko Suwa","raw_affiliation_strings":["Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","RIKEN Center for Advanced Intelligence Project AIP, Tokyo 103-0027, Japan"],"raw_orcid":"https://orcid.org/0000-0002-8519-3352","affiliations":[{"raw_affiliation_string":"Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"RIKEN Center for Advanced Intelligence Project AIP, Tokyo 103-0027, Japan","institution_ids":["https://openalex.org/I4210126580"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019740585","display_name":"Keiichi Yasumoto","orcid":"https://orcid.org/0000-0003-1579-3237"},"institutions":[{"id":"https://openalex.org/I4210126580","display_name":"RIKEN Center for Advanced Intelligence Project","ror":"https://ror.org/03ckxwf91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]},{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Keiichi Yasumoto","raw_affiliation_strings":["Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","RIKEN Center for Advanced Intelligence Project AIP, Tokyo 103-0027, Japan"],"raw_orcid":"https://orcid.org/0000-0003-1579-3237","affiliations":[{"raw_affiliation_string":"Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"RIKEN Center for Advanced Intelligence Project AIP, Tokyo 103-0027, Japan","institution_ids":["https://openalex.org/I4210126580"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5055195937"],"corresponding_institution_ids":["https://openalex.org/I4210126580","https://openalex.org/I75917431"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":2.0528,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.86147084,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"22","issue":"3","first_page":"881","last_page":"881"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9991000294685364,"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"}},"topics":[{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9991000294685364,"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/T12801","display_name":"Bluetooth and Wireless Communication Technologies","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9941999912261963,"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/computer-science","display_name":"Computer science","score":0.6402713060379028},{"id":"https://openalex.org/keywords/bluetooth","display_name":"Bluetooth","score":0.5825842618942261},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5707781314849854},{"id":"https://openalex.org/keywords/public-transport","display_name":"Public transport","score":0.5526203513145447},{"id":"https://openalex.org/keywords/bluetooth-low-energy","display_name":"Bluetooth Low Energy","score":0.5237227082252502},{"id":"https://openalex.org/keywords/data-collection","display_name":"Data collection","score":0.47215700149536133},{"id":"https://openalex.org/keywords/traffic-congestion","display_name":"Traffic congestion","score":0.4582163691520691},{"id":"https://openalex.org/keywords/work","display_name":"Work (physics)","score":0.4404342472553253},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4142206907272339},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.32546213269233704},{"id":"https://openalex.org/keywords/transport-engineering","display_name":"Transport engineering","score":0.2791893482208252},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26693445444107056},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21422839164733887},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1981143057346344}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6402713060379028},{"id":"https://openalex.org/C546215728","wikidata":"https://www.wikidata.org/wiki/Q39531","display_name":"Bluetooth","level":3,"score":0.5825842618942261},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5707781314849854},{"id":"https://openalex.org/C539828613","wikidata":"https://www.wikidata.org/wiki/Q178512","display_name":"Public transport","level":2,"score":0.5526203513145447},{"id":"https://openalex.org/C2776418194","wikidata":"https://www.wikidata.org/wiki/Q1638779","display_name":"Bluetooth Low Energy","level":4,"score":0.5237227082252502},{"id":"https://openalex.org/C133462117","wikidata":"https://www.wikidata.org/wiki/Q4929239","display_name":"Data collection","level":2,"score":0.47215700149536133},{"id":"https://openalex.org/C2779888511","wikidata":"https://www.wikidata.org/wiki/Q244156","display_name":"Traffic congestion","level":2,"score":0.4582163691520691},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.4404342472553253},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4142206907272339},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.32546213269233704},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.2791893482208252},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26693445444107056},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21422839164733887},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1981143057346344},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000086402","descriptor_name":"SARS-CoV-2","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000086402","descriptor_name":"SARS-CoV-2","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000086402","descriptor_name":"SARS-CoV-2","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014186","descriptor_name":"Transportation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014186","descriptor_name":"Transportation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014186","descriptor_name":"Transportation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018986","descriptor_name":"Motor Vehicles","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018986","descriptor_name":"Motor Vehicles","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018986","descriptor_name":"Motor Vehicles","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D058873","descriptor_name":"Pandemics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D058873","descriptor_name":"Pandemics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D058873","descriptor_name":"Pandemics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":5,"locations":[{"id":"doi:10.3390/s22030881","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22030881","pdf_url":"https://www.mdpi.com/1424-8220/22/3/881/pdf?version=1644284800","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:35161627","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35161627","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:163c232c8a594862b0528bb31566a9af","is_oa":true,"landing_page_url":"https://doaj.org/article/163c232c8a594862b0528bb31566a9af","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 22, Iss 3, p 881 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/22/3/881/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s22030881","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Sensors; Volume 22; Issue 3; Pages: 881","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8838786","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8838786","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"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":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s22030881","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22030881","pdf_url":"https://www.mdpi.com/1424-8220/22/3/881/pdf?version=1644284800","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.7599999904632568,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"awards":[{"id":"https://openalex.org/G3568486897","display_name":null,"funder_award_id":"PMJPR2039","funder_id":"https://openalex.org/F4320334789","funder_display_name":"Japan Science and Technology Agency"}],"funders":[{"id":"https://openalex.org/F4320334789","display_name":"Japan Science and Technology Agency","ror":"https://ror.org/00097mb19"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4210519529.pdf","grobid_xml":"https://content.openalex.org/works/W4210519529.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W1510182064","https://openalex.org/W1526379198","https://openalex.org/W1965308036","https://openalex.org/W1965325044","https://openalex.org/W1974625449","https://openalex.org/W2014859833","https://openalex.org/W2019764266","https://openalex.org/W2058907003","https://openalex.org/W2081525165","https://openalex.org/W2103851624","https://openalex.org/W2104803594","https://openalex.org/W2105947500","https://openalex.org/W2118051615","https://openalex.org/W2123175289","https://openalex.org/W2185564786","https://openalex.org/W2294139617","https://openalex.org/W2337099467","https://openalex.org/W2572069506","https://openalex.org/W2584899249","https://openalex.org/W2623253267","https://openalex.org/W2793387058","https://openalex.org/W2809347675","https://openalex.org/W2810811374","https://openalex.org/W2890651224","https://openalex.org/W2897548654","https://openalex.org/W3015764638","https://openalex.org/W3036325682","https://openalex.org/W3042002495","https://openalex.org/W6779776646","https://openalex.org/W7036234317"],"related_works":["https://openalex.org/W2026217228","https://openalex.org/W2460679371","https://openalex.org/W1566557084","https://openalex.org/W1981475037","https://openalex.org/W2956056877","https://openalex.org/W2058711580","https://openalex.org/W2911404179","https://openalex.org/W2572635530","https://openalex.org/W2223325499","https://openalex.org/W3136975152"],"abstract_inverted_index":{"Information":[0],"on":[1,36,64,85,183],"congestion":[2,47,62,106,157],"of":[3,8,20,34,53,88,94,131,156,173,206,213,218],"buses,":[4],"which":[5],"are":[6],"one":[7],"the":[9,21,32,61,86,92,97,115,146,154,159,162,166,171,174,199,204],"major":[10],"public":[11],"transportation":[12],"modes,":[13],"can":[14,44],"be":[15],"very":[16],"useful":[17],"in":[18,39,145,158,188],"light":[19],"current":[22],"COVID-19":[23],"pandemic.":[24],"Because":[25],"it":[26,74],"is":[27,48,57,75],"unrealistic":[28],"to":[29,58,77],"manually":[30],"monitor":[31,46],"number":[33,205],"riders":[35],"all":[37],"buses":[38],"operation,":[40,73],"a":[41,65,79,105,133,150,179,209],"system":[42,80,108,129,201],"that":[43,81,109,136,152,198],"automatically":[45,59],"necessary.":[49],"The":[50,127,195],"main":[51],"goal":[52],"this":[54,101],"paper's":[55],"work":[56],"estimate":[60,203],"level":[63],"bus":[66,147,160,186],"route":[67,187],"with":[68,190,208],"acceptable":[69],"performance.":[70],"For":[71],"practical":[72],"necessary":[76],"design":[78],"does":[82],"not":[83],"infringe":[84],"privacy":[87,112],"passengers":[89,95,207,215],"and":[90,96,113,148],"ensures":[91],"safety":[93],"installation":[98,116],"sites.":[99],"In":[100],"paper,":[102],"we":[103,177],"propose":[104],"estimation":[107],"protects":[110],"passengers'":[111,142],"reduces":[114],"cost":[117],"by":[118,165],"using":[119],"Bluetooth":[120],"low-energy":[121],"(BLE)":[122],"signals":[123,139],"as":[124],"sensing":[125,134,167],"data.":[126],"proposed":[128,175,200],"consists":[130],"(1)":[132],"mechanism":[135,151],"acquires":[137],"BLE":[138],"emitted":[140],"from":[141,161],"mobile":[143],"terminals":[144],"(2)":[149],"estimates":[153],"degree":[155],"data":[163,180],"obtained":[164],"mechanism.":[168],"To":[169],"evaluate":[170],"effectiveness":[172],"system,":[176],"conducted":[178],"collection":[181],"experiment":[182],"an":[184],"actual":[185],"cooperation":[189],"Nara":[191],"Kotsu":[192],"Co.,":[193],"Ltd.":[194],"results":[196],"showed":[197],"could":[202],"mean":[210],"absolute":[211],"error":[212],"2.49":[214],"(error":[216],"rate":[217],"38.8%).":[219]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}