{"id":"https://openalex.org/W2888075616","doi":"https://doi.org/10.1109/percom.2018.8444602","title":"CrowdMeter: Congestion Level Estimation in Railway Stations Using Smartphones","display_name":"CrowdMeter: Congestion Level Estimation in Railway Stations Using Smartphones","publication_year":2018,"publication_date":"2018-03-01","ids":{"openalex":"https://openalex.org/W2888075616","doi":"https://doi.org/10.1109/percom.2018.8444602","mag":"2888075616"},"language":"en","primary_location":{"id":"doi:10.1109/percom.2018.8444602","is_oa":false,"landing_page_url":"https://doi.org/10.1109/percom.2018.8444602","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE International Conference on Pervasive Computing and Communications (PerCom)","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/A5012034380","display_name":"Moustafa Elhamshary","orcid":"https://orcid.org/0000-0001-7774-5017"},"institutions":[{"id":"https://openalex.org/I21376657","display_name":"Tanta University","ror":"https://ror.org/016jp5b92","country_code":"EG","type":"education","lineage":["https://openalex.org/I21376657"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Moustafa Elhamshary","raw_affiliation_strings":["Faculty of Engineering, Tanta University, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, Tanta University, Egypt","institution_ids":["https://openalex.org/I21376657"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008352007","display_name":"Moustafa Youssef","orcid":"https://orcid.org/0000-0002-2063-4364"},"institutions":[{"id":"https://openalex.org/I32619867","display_name":"Egypt-Japan University of Science and Technology","ror":"https://ror.org/02x66tk73","country_code":"EG","type":"education","lineage":["https://openalex.org/I32619867"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Moustafa Youssef","raw_affiliation_strings":["Wireless Research Center, E-JUST, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Research Center, E-JUST, Egypt","institution_ids":["https://openalex.org/I32619867"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001032272","display_name":"Akira Uchiyama","orcid":"https://orcid.org/0000-0001-7563-6191"},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akira Uchiyama","raw_affiliation_strings":["Graduate School of Information Science and Technology, Osaka University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Osaka University, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084448172","display_name":"Hirozumi Yamaguchi","orcid":"https://orcid.org/0000-0003-2273-4876"},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hirozumi Yamaguchi","raw_affiliation_strings":["Graduate School of Information Science and Technology, Osaka University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Osaka University, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082680857","display_name":"Teruo Higashino","orcid":"https://orcid.org/0000-0001-5685-0424"},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Teruo Higashino","raw_affiliation_strings":["Graduate School of Information Science and Technology, Osaka University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Osaka University, Japan","institution_ids":["https://openalex.org/I98285908"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"12"},"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":0.9995999932289124,"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":0.9995999932289124,"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":0.996399998664856,"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/T11500","display_name":"Evacuation and Crowd Dynamics","score":0.9940000176429749,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/ticket","display_name":"Ticket","score":0.8007512092590332},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6857472062110901},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6703033447265625},{"id":"https://openalex.org/keywords/phone","display_name":"Phone","score":0.5805745124816895},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5721602439880371},{"id":"https://openalex.org/keywords/transport-engineering","display_name":"Transport engineering","score":0.44206130504608154},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.4302174746990204},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.42163556814193726},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.34138715267181396},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16458949446678162},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.14754676818847656},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.09542375802993774}],"concepts":[{"id":"https://openalex.org/C2776540713","wikidata":"https://www.wikidata.org/wiki/Q7800647","display_name":"Ticket","level":2,"score":0.8007512092590332},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6857472062110901},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6703033447265625},{"id":"https://openalex.org/C2778707766","wikidata":"https://www.wikidata.org/wiki/Q202064","display_name":"Phone","level":2,"score":0.5805745124816895},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5721602439880371},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.44206130504608154},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.4302174746990204},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.42163556814193726},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.34138715267181396},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16458949446678162},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.14754676818847656},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.09542375802993774},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/percom.2018.8444602","is_oa":false,"landing_page_url":"https://doi.org/10.1109/percom.2018.8444602","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE International Conference on Pervasive Computing and Communications (PerCom)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.7200000286102295}],"awards":[],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W46659105","https://openalex.org/W1636244751","https://openalex.org/W1965308036","https://openalex.org/W1965555277","https://openalex.org/W1977555722","https://openalex.org/W1987909411","https://openalex.org/W1989115430","https://openalex.org/W1993248935","https://openalex.org/W2037665832","https://openalex.org/W2044900827","https://openalex.org/W2049394282","https://openalex.org/W2050672002","https://openalex.org/W2054007841","https://openalex.org/W2054602086","https://openalex.org/W2057567820","https://openalex.org/W2065444974","https://openalex.org/W2081525165","https://openalex.org/W2108467170","https://openalex.org/W2120453111","https://openalex.org/W2134587001","https://openalex.org/W2142216726","https://openalex.org/W2164729653","https://openalex.org/W2165780722","https://openalex.org/W2171679232","https://openalex.org/W2181983688","https://openalex.org/W2289641402","https://openalex.org/W2294187070","https://openalex.org/W2342743969","https://openalex.org/W2415431271","https://openalex.org/W2476556746","https://openalex.org/W3099118774","https://openalex.org/W4291745967","https://openalex.org/W6644417941","https://openalex.org/W6686119992","https://openalex.org/W6696565659","https://openalex.org/W6697512865"],"related_works":["https://openalex.org/W132856376","https://openalex.org/W4288388931","https://openalex.org/W2892636954","https://openalex.org/W4375841483","https://openalex.org/W4206805925","https://openalex.org/W2022874741","https://openalex.org/W2364431604","https://openalex.org/W2018860124","https://openalex.org/W3112526189","https://openalex.org/W2187418809"],"abstract_inverted_index":{"We":[0],"present":[1],"CrowdMeter:":[2],"a":[3,46,49,108,121,132,142,165],"participatory":[4],"system":[5,113],"that":[6,96,127,153],"leverages":[7],"the":[8,22,31,35,55,59,68,74,80,84,88,93,99,104,112,118,157],"sensed":[9],"data":[10],"collected":[11],"from":[12,54,73],"users'":[13],"phones":[14],"during":[15],"their":[16],"daily":[17],"train":[18,148],"commutes":[19],"to":[20,58,129],"gauge":[21],"real-time":[23],"congestion":[24,101,134,158],"level":[25,102],"in":[26,34,107,145,150],"railway":[27,109],"stations.":[28],"CrowdMeter":[29,62,140],"tracks":[30],"passenger's":[32,81,105],"position":[33],"station":[36,119],"as":[37,39,164],"well":[38],"identifies":[40],"her":[41,52],"context":[42],"(e.g.,":[43,83,92],"waiting":[44],"for":[45],"train,":[47],"buying":[48],"ticket)":[50],"along":[51,103],"trajectory":[53],"station's":[56],"entrance":[57],"train.":[60],"Therefrom,":[61],"extracts":[63],"novel":[64],"features,":[65],"based":[66],"on":[67],"user's":[69],"location":[70],"and":[71,87],"context,":[72],"phone":[75],"sensors.":[76],"These":[77],"features":[78],"capture":[79],"behavior":[82],"walking":[85],"pattern)":[86],"ambient":[89,94],"environment":[90],"characteristics":[91],"sound)":[95],"can":[97,155],"indicate":[98],"surrounding":[100],"route":[106],"station.":[110],"Finally,":[111],"highlights":[114],"each":[115],"area":[116],"of":[117,131,139],"with":[120],"specific":[122],"color":[123],"(green,":[124],"amber,":[125],"red)":[126],"corresponds":[128],"one":[130],"three":[133],"levels":[135,159],"(low,":[136],"medium,":[137],"high).Evaluation":[138],"through":[141],"field":[143],"experiment":[144],"10":[146],"different":[147],"stations":[149],"Japan":[151],"shows":[152],"it":[154],"infer":[156],"accurately,":[160],"highlighting":[161],"its":[162],"promise":[163],"ubiquitous":[166],"travel-support":[167],"service.":[168]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}