{"id":"https://openalex.org/W3182450960","doi":"https://doi.org/10.3390/ijgi10070479","title":"The Impact of COVID-19 on Pedestrian Flow Patterns in Urban POIs\u2014An Example from Beijing","display_name":"The Impact of COVID-19 on Pedestrian Flow Patterns in Urban POIs\u2014An Example from Beijing","publication_year":2021,"publication_date":"2021-07-11","ids":{"openalex":"https://openalex.org/W3182450960","doi":"https://doi.org/10.3390/ijgi10070479","mag":"3182450960"},"language":"en","primary_location":{"id":"doi:10.3390/ijgi10070479","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi10070479","pdf_url":"https://www.mdpi.com/2220-9964/10/7/479/pdf?version=1626140658","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/2220-9964/10/7/479/pdf?version=1626140658","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100617804","display_name":"Yihang Li","orcid":"https://orcid.org/0000-0002-7060-9036"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yihang Li","raw_affiliation_strings":["College of Urban and Environmental Sciences, Peking University, Beijing 100871, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Urban and Environmental Sciences, Peking University, Beijing 100871, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066949435","display_name":"Liyan Xu","orcid":"https://orcid.org/0000-0002-6933-3394"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Liyan Xu","raw_affiliation_strings":["College of Architecture and Landscape Architecture, Peking University, Beijing 100871, China"],"raw_orcid":"https://orcid.org/0000-0002-6933-3394","affiliations":[{"raw_affiliation_string":"College of Architecture and Landscape Architecture, Peking University, Beijing 100871, China","institution_ids":["https://openalex.org/I20231570"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5066949435"],"corresponding_institution_ids":["https://openalex.org/I20231570"],"apc_list":{"value":1700,"currency":"CHF","value_usd":1893},"apc_paid":{"value":1700,"currency":"CHF","value_usd":1893},"fwci":2.3655,"has_fulltext":true,"cited_by_count":11,"citation_normalized_percentile":{"value":0.8814358,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"10","issue":"7","first_page":"479","last_page":"479"},"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":0.9979000091552734,"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":0.9979000091552734,"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/T11500","display_name":"Evacuation and Crowd Dynamics","score":0.9957000017166138,"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"}},{"id":"https://openalex.org/T10298","display_name":"Urban Transport and Accessibility","score":0.9952999949455261,"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/beijing","display_name":"Beijing","score":0.8471148014068604},{"id":"https://openalex.org/keywords/pedestrian","display_name":"Pedestrian","score":0.6804181933403015},{"id":"https://openalex.org/keywords/coronavirus-disease-2019","display_name":"Coronavirus disease 2019 (COVID-19)","score":0.5082816481590271},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.48939481377601624},{"id":"https://openalex.org/keywords/government","display_name":"Government (linguistics)","score":0.48738986253738403},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.46652182936668396},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.4499083161354065},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3281822204589844},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.24946922063827515},{"id":"https://openalex.org/keywords/china","display_name":"China","score":0.09316051006317139},{"id":"https://openalex.org/keywords/disease","display_name":"Disease","score":0.09290313720703125},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.08176147937774658}],"concepts":[{"id":"https://openalex.org/C2778304055","wikidata":"https://www.wikidata.org/wiki/Q657474","display_name":"Beijing","level":3,"score":0.8471148014068604},{"id":"https://openalex.org/C2777113093","wikidata":"https://www.wikidata.org/wiki/Q221488","display_name":"Pedestrian","level":2,"score":0.6804181933403015},{"id":"https://openalex.org/C3008058167","wikidata":"https://www.wikidata.org/wiki/Q84263196","display_name":"Coronavirus disease 2019 (COVID-19)","level":4,"score":0.5082816481590271},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.48939481377601624},{"id":"https://openalex.org/C2778137410","wikidata":"https://www.wikidata.org/wiki/Q2732820","display_name":"Government (linguistics)","level":2,"score":0.48738986253738403},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.46652182936668396},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.4499083161354065},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3281822204589844},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.24946922063827515},{"id":"https://openalex.org/C191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","level":2,"score":0.09316051006317139},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.09290313720703125},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.08176147937774658},{"id":"https://openalex.org/C524204448","wikidata":"https://www.wikidata.org/wiki/Q788926","display_name":"Infectious disease (medical specialty)","level":3,"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/ijgi10070479","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi10070479","pdf_url":"https://www.mdpi.com/2220-9964/10/7/479/pdf?version=1626140658","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:0d7c4d4da812452590aba4babcf9a7c9","is_oa":true,"landing_page_url":"https://doaj.org/article/0d7c4d4da812452590aba4babcf9a7c9","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 10, Iss 7, p 479 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2220-9964/10/7/479/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/ijgi10070479","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 10; Issue 7; Pages: 479","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/ijgi10070479","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi10070479","pdf_url":"https://www.mdpi.com/2220-9964/10/7/479/pdf?version=1626140658","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":[{"score":0.8399999737739563,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320324787","display_name":"Peking University","ror":"https://ror.org/02v51f717"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3182450960.pdf","grobid_xml":"https://content.openalex.org/works/W3182450960.grobid-xml"},"referenced_works_count":49,"referenced_works":["https://openalex.org/W1933913436","https://openalex.org/W1947997293","https://openalex.org/W1987971958","https://openalex.org/W2034512180","https://openalex.org/W2051224630","https://openalex.org/W2069677470","https://openalex.org/W2084382052","https://openalex.org/W2084616221","https://openalex.org/W2085487226","https://openalex.org/W2114760022","https://openalex.org/W2493802759","https://openalex.org/W2591724398","https://openalex.org/W2751155097","https://openalex.org/W2770641296","https://openalex.org/W2887220049","https://openalex.org/W2905543970","https://openalex.org/W2940320374","https://openalex.org/W2945185767","https://openalex.org/W2963028112","https://openalex.org/W2966272701","https://openalex.org/W2989669639","https://openalex.org/W3010131837","https://openalex.org/W3011800583","https://openalex.org/W3013041117","https://openalex.org/W3014199470","https://openalex.org/W3014242527","https://openalex.org/W3015807396","https://openalex.org/W3016555305","https://openalex.org/W3017203823","https://openalex.org/W3017361683","https://openalex.org/W3019170348","https://openalex.org/W3021626303","https://openalex.org/W3024345929","https://openalex.org/W3031288687","https://openalex.org/W3033388173","https://openalex.org/W3034263090","https://openalex.org/W3039136074","https://openalex.org/W3048804154","https://openalex.org/W3088556940","https://openalex.org/W3094670260","https://openalex.org/W3099011804","https://openalex.org/W3104459386","https://openalex.org/W3118813884","https://openalex.org/W3130564138","https://openalex.org/W3155791720","https://openalex.org/W3163971094","https://openalex.org/W6672191126","https://openalex.org/W6778790639","https://openalex.org/W6780062366"],"related_works":["https://openalex.org/W2015747722","https://openalex.org/W2362050182","https://openalex.org/W2382418233","https://openalex.org/W2369897927","https://openalex.org/W3031731056","https://openalex.org/W4293167957","https://openalex.org/W2361035307","https://openalex.org/W2380455807","https://openalex.org/W2993975634","https://openalex.org/W2367835030"],"abstract_inverted_index":{"The":[0,141,186],"COVID-19":[1],"pandemic":[2],"is":[3,56],"a":[4,10,121],"major":[5],"challenge":[6],"for":[7,37],"society":[8],"as":[9,69],"whole,":[11],"and":[12,22,46,97,103,106,138,153,175,197,242],"analyzing":[13],"the":[14,17,20,27,70,85,99,110,127,147,155,166,171,181,195,198,207,218,223,237],"impact":[15],"of":[16,19,30,62,72,78,90,134,150,157,184,194,200,209,226,240],"spread":[18],"epidemic":[21,43,48,101,151,167],"government":[23],"control":[24,104,173],"measures":[25],"on":[26,146,188],"travel":[28],"patterns":[29,68,113,137,161,213,239],"urban":[31],"residents":[32],"can":[33],"provide":[34],"powerful":[35],"help":[36],"city":[38],"managers":[39],"to":[40,59,168,178,203,215,234],"designate":[41],"top-level":[42],"prevention":[44,49,102,152],"policies":[45],"specific":[47,148],"measures.":[50],"This":[51],"study":[52,73],"investigates":[53],"whether":[54],"it":[55],"more":[57],"appropriate":[58],"use":[60],"groups":[61,133],"POIs":[63,241],"with":[64,192],"similar":[65],"pedestrian":[66,87,111,135,159,211],"flow":[67,88,112,136,160,212,238],"unit":[71],"rather":[74],"than":[75],"functional":[76,139],"categories":[77],"POIs.":[79],"In":[80],"this":[81],"study,":[82],"we":[83,107,125],"analyzed":[84],"hour-by-hour":[86],"data":[89],"key":[91],"locations":[92],"in":[93,116,206,217,236],"Beijing":[94],"before,":[95],"during,":[96],"after":[98],"strict":[100,172],"period,":[105,220],"found":[108],"that":[109,144,216,230],"differed":[114],"greatly":[115],"different":[117],"periods":[118],"by":[119],"using":[120],"composite":[122],"clustering":[123,128],"index;":[124],"interpreted":[126],"results":[129,142],"from":[130,163],"two":[131,169],"perspectives:":[132],"categories.":[140],"show":[143],"depending":[145],"stage":[149,174],"control,":[154],"number":[156,225],"unique":[158,210],"decreased":[162],"four":[164],"before":[165],"during":[170,180],"then":[176],"increased":[177,243],"six":[179],"initial":[182],"resumption":[183],"work.":[185],"restrictions":[187,201,232],"movement":[189],"are":[190],"correlated":[191],"most":[193],"visitations,":[196],"release":[199],"led":[202,233],"an":[204],"increase":[205],"variety":[208],"compared":[214],"pre-restriction":[219],"even":[221],"though":[222],"overall":[224],"visitations":[227],"decreased,":[228],"indicating":[229],"social":[231,244],"differences":[235],"distance.":[245]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":3}],"updated_date":"2026-07-30T17:31:21.811387","created_date":"2021-07-19T00:00:00"}