{"id":"https://openalex.org/W2327328100","doi":"https://doi.org/10.1145/2830571.2830576","title":"Estimate a user's location using smartphone's barometer on a subway","display_name":"Estimate a user's location using smartphone's barometer on a subway","publication_year":2015,"publication_date":"2015-11-03","ids":{"openalex":"https://openalex.org/W2327328100","doi":"https://doi.org/10.1145/2830571.2830576","mag":"2327328100"},"language":"en","primary_location":{"id":"doi:10.1145/2830571.2830576","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2830571.2830576","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th International Workshop on Mobile Entity Localization and Tracking in GPS-less Environments","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/A5016800256","display_name":"Satoshi Hyuga","orcid":null},"institutions":[{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Satoshi Hyuga","raw_affiliation_strings":["Design, Tokyo Denki, University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Design, Tokyo Denki, University","institution_ids":["https://openalex.org/I165522056"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029829747","display_name":"Masaki Ito","orcid":"https://orcid.org/0000-0002-8032-7198"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masaki Ito","raw_affiliation_strings":["The University of Tokyo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Tokyo","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025094439","display_name":"Masayuki Iwai","orcid":null},"institutions":[{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masayuki Iwai","raw_affiliation_strings":["Design, Tokyo Denki, University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Design, Tokyo Denki, University","institution_ids":["https://openalex.org/I165522056"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050720322","display_name":"Kaoru Sezaki","orcid":"https://orcid.org/0000-0003-1194-4632"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kaoru Sezaki","raw_affiliation_strings":["The University of Tokyo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Tokyo","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"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":0.9998000264167786,"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":0.9998000264167786,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9983000159263611,"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/T10698","display_name":"Transportation Planning and Optimization","score":0.9754999876022339,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/barometer","display_name":"Barometer","score":0.9642943143844604},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.5994244813919067},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.569463849067688},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5591837763786316},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.5369076728820801},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.49255141615867615},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.46390315890312195},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.4627760350704193},{"id":"https://openalex.org/keywords/subway-station","display_name":"Subway station","score":0.44437238574028015},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2809904217720032},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.28016555309295654},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2792632579803467},{"id":"https://openalex.org/keywords/transport-engineering","display_name":"Transport engineering","score":0.2745468020439148},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.17528867721557617},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.08724161982536316}],"concepts":[{"id":"https://openalex.org/C107284991","wikidata":"https://www.wikidata.org/wiki/Q79757","display_name":"Barometer","level":2,"score":0.9642943143844604},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.5994244813919067},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.569463849067688},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5591837763786316},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.5369076728820801},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.49255141615867615},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.46390315890312195},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.4627760350704193},{"id":"https://openalex.org/C2993393817","wikidata":"https://www.wikidata.org/wiki/Q928830","display_name":"Subway station","level":2,"score":0.44437238574028015},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2809904217720032},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.28016555309295654},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2792632579803467},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.2745468020439148},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.17528867721557617},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.08724161982536316},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2830571.2830576","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2830571.2830576","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th International Workshop on Mobile Entity Localization and Tracking in GPS-less Environments","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5400000214576721,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[{"id":"https://openalex.org/G3930383353","display_name":"A Research for long-term operable wireless multiple-sensor network realizing regional disaster prevention","funder_award_id":"25700007","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"},{"id":"https://openalex.org/F4320335839","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1998117084","https://openalex.org/W2017224423","https://openalex.org/W2058184275","https://openalex.org/W2094850518","https://openalex.org/W2114054615"],"related_works":["https://openalex.org/W1997752975","https://openalex.org/W2596141173","https://openalex.org/W2000598878","https://openalex.org/W2393486494","https://openalex.org/W1991898702","https://openalex.org/W4233969487","https://openalex.org/W2072447162","https://openalex.org/W2472754926","https://openalex.org/W4240863825","https://openalex.org/W3127477759"],"abstract_inverted_index":{"Knowing":[0],"the":[1,74,85,94,105,109,135,140,148],"location":[2],"of":[3,37,76,87,90,100,104,114,128,137,139,147],"a":[4,10,30,47,58,64,67,88],"train":[5,14,95],"is":[6,49,143,151],"necessary":[7],"to":[8],"develop":[9],"useful":[11],"service":[12],"for":[13,52,118],"passengers.":[15,54],"However,":[16],"popular":[17],"localization":[18,59],"methods":[19],"such":[20],"as":[21],"GPS":[22],"and":[23,40,78,97,108,145],"Wi-Fi":[24],"are":[25],"not":[26],"accurate":[27],"especially":[28],"on":[29,46,66],"subway.":[31],"As":[32],"an":[33],"alternative":[34],"method,":[35],"estimation":[36,103,138,146],"motion":[38,71,106,141],"state":[39,72,107,142],"stop":[41,82,111,149],"station":[42,83,150],"by":[43,84],"using":[44],"sensors":[45],"smartphone":[48],"being":[50],"studied":[51],"subway":[53,119,129],"This":[55],"paper":[56],"proposes":[57],"method":[60],"that":[61,134],"uses":[62],"only":[63],"barometer":[65],"smartphone.":[68],"We":[69],"estimate":[70,80],"from":[73],"change":[75],"elevation,":[77],"also":[79],"latest":[81,110],"similarity":[86],"series":[89],"elevations":[91,99],"recorded":[92],"when":[93],"stopped":[96],"actual":[98],"stations.":[101],"By":[102],"station,":[112],"development":[113],"various":[115],"context-aware":[116],"services":[117],"passengers":[120],"becomes":[121],"possible.":[122],"Through":[123],"experiments":[124],"in":[125,130],"four":[126],"lines":[127],"Tokyo,":[131],"we":[132],"demonstrated":[133],"accuracy":[136],"86%,":[144],"58%.":[152]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}