{"id":"https://openalex.org/W3112039401","doi":"https://doi.org/10.3390/ijgi9120751","title":"Analysis of the Temporal Characteristics of the Elderly Traveling by Bus Using Smart Card Data","display_name":"Analysis of the Temporal Characteristics of the Elderly Traveling by Bus Using Smart Card Data","publication_year":2020,"publication_date":"2020-12-15","ids":{"openalex":"https://openalex.org/W3112039401","doi":"https://doi.org/10.3390/ijgi9120751","mag":"3112039401"},"language":"en","primary_location":{"id":"doi:10.3390/ijgi9120751","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9120751","pdf_url":"https://www.mdpi.com/2220-9964/9/12/751/pdf?version=1608022284","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"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":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2220-9964/9/12/751/pdf?version=1608022284","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080314324","display_name":"Zhi\u2010Cheng Shi","orcid":"https://orcid.org/0000-0001-6098-0002"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zhicheng Shi","raw_affiliation_strings":["The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014119779","display_name":"Lilian S.C. Pun\u2010Cheng","orcid":"https://orcid.org/0000-0002-6024-2429"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lilian S. C. Pun-Cheng","raw_affiliation_strings":["The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China"],"raw_orcid":"https://orcid.org/0000-0002-6024-2429","affiliations":[{"raw_affiliation_string":"The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056683902","display_name":"Xintao Liu","orcid":"https://orcid.org/0000-0002-7323-9878"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Xintao Liu","raw_affiliation_strings":["The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China"],"raw_orcid":"https://orcid.org/0000-0002-7323-9878","affiliations":[{"raw_affiliation_string":"The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073373758","display_name":"Jianhui Lai","orcid":"https://orcid.org/0000-0003-3189-8872"},"institutions":[{"id":"https://openalex.org/I37796252","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87","country_code":"CN","type":"education","lineage":["https://openalex.org/I37796252"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianhui Lai","raw_affiliation_strings":["College of Metropolitan Transportation, Beijing University of Technology, Beijing 100124, China"],"raw_orcid":"https://orcid.org/0000-0003-3189-8872","affiliations":[{"raw_affiliation_string":"College of Metropolitan Transportation, Beijing University of Technology, Beijing 100124, China","institution_ids":["https://openalex.org/I37796252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076752167","display_name":"Chengzhuo Tong","orcid":"https://orcid.org/0000-0002-5434-6686"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Chengzhuo Tong","raw_affiliation_strings":["The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065293267","display_name":"Anshu Zhang","orcid":"https://orcid.org/0000-0001-7158-8292"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Anshu Zhang","raw_affiliation_strings":["The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China"],"raw_orcid":"https://orcid.org/0000-0001-7158-8292","affiliations":[{"raw_affiliation_string":"The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012727269","display_name":"Min Zhang","orcid":"https://orcid.org/0000-0003-1643-5271"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Min Zhang","raw_affiliation_strings":["The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China"],"raw_orcid":"https://orcid.org/0000-0003-1643-5271","affiliations":[{"raw_affiliation_string":"The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100644664","display_name":"Wenzhong Shi","orcid":"https://orcid.org/0000-0002-3886-7027"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Wenzhong Shi","raw_affiliation_strings":["The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong 999077, China","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100644664"],"corresponding_institution_ids":["https://openalex.org/I14243506"],"apc_list":{"value":1400,"currency":"CHF","value_usd":1515},"apc_paid":{"value":1400,"currency":"CHF","value_usd":1515},"fwci":4.2328,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.93747816,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"9","issue":"12","first_page":"751","last_page":"751"},"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":0.9998999834060669,"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":0.9998999834060669,"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/T10298","display_name":"Urban Transport and Accessibility","score":0.9980999827384949,"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/T11942","display_name":"Transportation and Mobility Innovations","score":0.9954000115394592,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/smart-card","display_name":"Smart card","score":0.7371065616607666},{"id":"https://openalex.org/keywords/public-transport","display_name":"Public transport","score":0.6700468063354492},{"id":"https://openalex.org/keywords/megacity","display_name":"Megacity","score":0.6588347554206848},{"id":"https://openalex.org/keywords/beijing","display_name":"Beijing","score":0.631885826587677},{"id":"https://openalex.org/keywords/open-data","display_name":"Open data","score":0.5008013248443604},{"id":"https://openalex.org/keywords/smart-city","display_name":"Smart city","score":0.4672263562679291},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4599534571170807},{"id":"https://openalex.org/keywords/duration","display_name":"Duration (music)","score":0.45593613386154175},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.44698241353034973},{"id":"https://openalex.org/keywords/life-expectancy","display_name":"Life expectancy","score":0.42775946855545044},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.4261499345302582},{"id":"https://openalex.org/keywords/transport-engineering","display_name":"Transport engineering","score":0.37803611159324646},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.35070082545280457},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.26828062534332275},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23752549290657043},{"id":"https://openalex.org/keywords/marketing","display_name":"Marketing","score":0.2311442792415619},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.22673746943473816},{"id":"https://openalex.org/keywords/environmental-health","display_name":"Environmental health","score":0.11686325073242188},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.10176712274551392},{"id":"https://openalex.org/keywords/china","display_name":"China","score":0.10028848052024841},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.0967559814453125},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.0937124490737915}],"concepts":[{"id":"https://openalex.org/C110406131","wikidata":"https://www.wikidata.org/wiki/Q41349","display_name":"Smart card","level":2,"score":0.7371065616607666},{"id":"https://openalex.org/C539828613","wikidata":"https://www.wikidata.org/wiki/Q178512","display_name":"Public transport","level":2,"score":0.6700468063354492},{"id":"https://openalex.org/C127040729","wikidata":"https://www.wikidata.org/wiki/Q174844","display_name":"Megacity","level":2,"score":0.6588347554206848},{"id":"https://openalex.org/C2778304055","wikidata":"https://www.wikidata.org/wiki/Q657474","display_name":"Beijing","level":3,"score":0.631885826587677},{"id":"https://openalex.org/C2780535194","wikidata":"https://www.wikidata.org/wiki/Q309901","display_name":"Open data","level":2,"score":0.5008013248443604},{"id":"https://openalex.org/C2777103469","wikidata":"https://www.wikidata.org/wiki/Q1231558","display_name":"Smart city","level":3,"score":0.4672263562679291},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4599534571170807},{"id":"https://openalex.org/C112758219","wikidata":"https://www.wikidata.org/wiki/Q16038819","display_name":"Duration (music)","level":2,"score":0.45593613386154175},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.44698241353034973},{"id":"https://openalex.org/C133925201","wikidata":"https://www.wikidata.org/wiki/Q188419","display_name":"Life expectancy","level":3,"score":0.42775946855545044},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.4261499345302582},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.37803611159324646},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.35070082545280457},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.26828062534332275},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23752549290657043},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.2311442792415619},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.22673746943473816},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.11686325073242188},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.10176712274551392},{"id":"https://openalex.org/C191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","level":2,"score":0.10028848052024841},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0967559814453125},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0937124490737915},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.0},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","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},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/ijgi9120751","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9120751","pdf_url":"https://www.mdpi.com/2220-9964/9/12/751/pdf?version=1608022284","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"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":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:cbdaf3f82d5a4baa8d88b27f12741fee","is_oa":true,"landing_page_url":"https://doaj.org/article/cbdaf3f82d5a4baa8d88b27f12741fee","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISPRS International Journal of Geo-Information, Vol 9, Iss 12, p 751 (2020)","raw_type":"article"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/91151","is_oa":true,"landing_page_url":"http://hdl.handle.net/10397/91151","pdf_url":null,"source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"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":null,"raw_type":"Journal/Magazine Article"},{"id":"pmh:oai:mdpi.com:/2220-9964/9/12/751/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/ijgi9120751","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":"ISPRS International Journal of Geo-Information; Volume 9; Issue 12; Pages: 751","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/ijgi9120751","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9120751","pdf_url":"https://www.mdpi.com/2220-9964/9/12/751/pdf?version=1608022284","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"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":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.7900000214576721,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322598","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3112039401.pdf","grobid_xml":"https://content.openalex.org/works/W3112039401.grobid-xml"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W1982300822","https://openalex.org/W1987228002","https://openalex.org/W2009142344","https://openalex.org/W2031386456","https://openalex.org/W2048102542","https://openalex.org/W2083941593","https://openalex.org/W2085710766","https://openalex.org/W2090125117","https://openalex.org/W2118722179","https://openalex.org/W2126194848","https://openalex.org/W2133400794","https://openalex.org/W2133600553","https://openalex.org/W2134312241","https://openalex.org/W2278347881","https://openalex.org/W2313611941","https://openalex.org/W2528101818","https://openalex.org/W2559772888","https://openalex.org/W2593580024","https://openalex.org/W2621748448","https://openalex.org/W2744441214","https://openalex.org/W2800380031","https://openalex.org/W2899763608","https://openalex.org/W2900665725","https://openalex.org/W2929569684","https://openalex.org/W2931714899","https://openalex.org/W2938016561","https://openalex.org/W3103258700","https://openalex.org/W6679877529"],"related_works":["https://openalex.org/W3183778700","https://openalex.org/W1585705538","https://openalex.org/W4241022952","https://openalex.org/W2101561563","https://openalex.org/W2087279456","https://openalex.org/W4243088098","https://openalex.org/W1983934452","https://openalex.org/W3012482587","https://openalex.org/W3171929287","https://openalex.org/W2475179357"],"abstract_inverted_index":{"Many":[0],"cities":[1],"around":[2],"the":[3,6,16,21,31,52,57,81,108,111,119,128,133,148,151,158,163,182,187],"world":[4],"face":[5],"challenge":[7],"of":[8,15,20,56,84,89,110,118,154,168,186],"an":[9],"aging":[10,33],"population.":[11],"A":[12],"full":[13],"understanding":[14],"mobility":[17,54,91,184],"behavior":[18],"characteristics":[19,55,69,92,185],"elderly":[22,58,112,188],"is":[23,39,150,178],"one":[24],"necessary":[25],"and":[26,79,103,130,145],"urgent":[27],"consideration":[28],"as":[29,124,162],"regards":[30],"current":[32],"trend":[34],"if":[35],"sustainable":[36],"urban":[37],"development":[38],"to":[40,50,96,125,180],"be":[41],"fully":[42],"realized.":[43],"This":[44],"paper":[45],"presents":[46],"a":[47,137,140,172],"systematic":[48,175],"approach":[49,176],"analyzing":[51],"dynamic":[53,183],"who":[59],"travel":[60,73,75,77],"by":[61],"bus":[62,149],"using":[63,189],"smart":[64,190],"card":[65,191],"big":[66],"data.":[67,192],"The":[68,87,166],"include":[70],"temporal":[71],"distribution,":[72],"distance,":[74],"duration,":[76],"frequency,":[78],"also":[80,114],"spatial":[82],"distribution":[83],"such":[85],"travelers.":[86],"findings":[88],"these":[90],"can":[93],"directly":[94],"contribute":[95],"both":[97,127],"public":[98,155],"transport":[99,156],"policy":[100],"making,":[101],"service,":[102],"management.":[104],"In":[105],"this":[106,169],"study,":[107],"analytics":[109],"are":[113],"compared":[115],"with":[116,139],"that":[117,177],"average":[120],"adult":[121],"group":[122],"so":[123],"identify":[126],"similarities":[129],"differences":[131],"between":[132],"two":[134],"groups.":[135],"Beijing,":[136],"megacity,":[138],"very":[141],"high":[142],"life":[143],"expectancy":[144],"in":[146],"which":[147],"dominant":[152],"mode":[153],"for":[157],"elderly,":[159],"was":[160],"used":[161],"study":[164],"area.":[165],"significance":[167],"research":[170],"concerns":[171],"newly":[173],"developed":[174],"able":[179],"analyze":[181]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":4}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}
