{"id":"https://openalex.org/W2897336044","doi":"https://doi.org/10.1109/percomw.2018.8480234","title":"This Place is Swarming: Using a Mobile Social App to Study Human Traffic in Cities","display_name":"This Place is Swarming: Using a Mobile Social App to Study Human Traffic in Cities","publication_year":2018,"publication_date":"2018-03-01","ids":{"openalex":"https://openalex.org/W2897336044","doi":"https://doi.org/10.1109/percomw.2018.8480234","mag":"2897336044"},"language":"en","primary_location":{"id":"doi:10.1109/percomw.2018.8480234","is_oa":false,"landing_page_url":"https://doi.org/10.1109/percomw.2018.8480234","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 Workshops (PerCom Workshops)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://resolver.sub.uni-goettingen.de/purl?gro-2/135646","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5020306816","display_name":"Hao Zhao","orcid":"https://orcid.org/0000-0002-8799-8533"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hao Zhao","raw_affiliation_strings":["School of Computer Science, Fudan University, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science, Fudan University, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068627204","display_name":"Qingyuan Gong","orcid":"https://orcid.org/0000-0001-7942-8752"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qingyuan Gong","raw_affiliation_strings":["School of Computer Science, Fudan University, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science, Fudan University, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100350503","display_name":"Yang Chen","orcid":"https://orcid.org/0000-0003-4749-3060"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Chen","raw_affiliation_strings":["School of Computer Science, Fudan University, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science, Fudan University, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102716133","display_name":"Jingrong Chen","orcid":"https://orcid.org/0000-0002-1546-9587"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingrong Chen","raw_affiliation_strings":["School of Computer Science, Fudan University, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science, Fudan University, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100355277","display_name":"Yong Li","orcid":"https://orcid.org/0000-0001-5617-1659"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Li","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018318168","display_name":"Xiaoming Fu","orcid":"https://orcid.org/0000-0002-8012-4753"},"institutions":[{"id":"https://openalex.org/I74656192","display_name":"University of G\u00f6ttingen","ror":"https://ror.org/01y9bpm73","country_code":"DE","type":"education","lineage":["https://openalex.org/I74656192"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Xiaoming Fu","raw_affiliation_strings":["Institute of Computer Science, University of Goettingen, Germany"],"affiliations":[{"raw_affiliation_string":"Institute of Computer Science, University of Goettingen, Germany","institution_ids":["https://openalex.org/I74656192"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5020306816"],"corresponding_institution_ids":["https://openalex.org/I24943067"],"apc_list":null,"apc_paid":null,"fwci":0.8374,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.82790991,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"259","last_page":"264"},"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":1.0,"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":1.0,"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":0.9847999811172485,"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/T10698","display_name":"Transportation Planning and Optimization","score":0.9842000007629395,"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/randomness","display_name":"Randomness","score":0.7822553515434265},{"id":"https://openalex.org/keywords/swarming","display_name":"Swarming (honey bee)","score":0.7773565053939819},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7349634170532227},{"id":"https://openalex.org/keywords/swarm-behaviour","display_name":"Swarm behaviour","score":0.7017530202865601},{"id":"https://openalex.org/keywords/time-series","display_name":"Time series","score":0.48761120438575745},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4704410433769226},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.4356750249862671},{"id":"https://openalex.org/keywords/microblogging","display_name":"Microblogging","score":0.4310969114303589},{"id":"https://openalex.org/keywords/human-behavior","display_name":"Human behavior","score":0.4213908910751343},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3811601996421814},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.37158167362213135},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3312378525733948},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.24591651558876038},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08975744247436523},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08478927612304688}],"concepts":[{"id":"https://openalex.org/C125112378","wikidata":"https://www.wikidata.org/wiki/Q176640","display_name":"Randomness","level":2,"score":0.7822553515434265},{"id":"https://openalex.org/C164017216","wikidata":"https://www.wikidata.org/wiki/Q1549094","display_name":"Swarming (honey bee)","level":2,"score":0.7773565053939819},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7349634170532227},{"id":"https://openalex.org/C181335050","wikidata":"https://www.wikidata.org/wiki/Q14915018","display_name":"Swarm behaviour","level":2,"score":0.7017530202865601},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.48761120438575745},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4704410433769226},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.4356750249862671},{"id":"https://openalex.org/C143275388","wikidata":"https://www.wikidata.org/wiki/Q92438","display_name":"Microblogging","level":3,"score":0.4310969114303589},{"id":"https://openalex.org/C117035363","wikidata":"https://www.wikidata.org/wiki/Q3769299","display_name":"Human behavior","level":2,"score":0.4213908910751343},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3811601996421814},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37158167362213135},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3312378525733948},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.24591651558876038},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08975744247436523},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08478927612304688},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/percomw.2018.8480234","is_oa":false,"landing_page_url":"https://doi.org/10.1109/percomw.2018.8480234","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 Workshops (PerCom Workshops)","raw_type":"proceedings-article"},{"id":"pmh:oai:publications.goettingen-research-online.de:2/135646","is_oa":true,"landing_page_url":"https://resolver.sub.uni-goettingen.de/purl?gro-2/135646","pdf_url":null,"source":{"id":"https://openalex.org/S4306401634","display_name":"GoeScholar  The Publication Server of the Georg-August-Universit\u00e4t G\u00f6ttingen (Georg-August-Universit\u00e4t G\u00f6ttingen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210122495","host_organization_name":"Asklepios Klinik St. Georg","host_organization_lineage":["https://openalex.org/I4210122495"],"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":"","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:publications.goettingen-research-online.de:2/14790","is_oa":true,"landing_page_url":"https://resolver.sub.uni-goettingen.de/purl?gro-2/14790","pdf_url":null,"source":{"id":"https://openalex.org/S4306401634","display_name":"GoeScholar  The Publication Server of the Georg-August-Universit\u00e4t G\u00f6ttingen (Georg-August-Universit\u00e4t G\u00f6ttingen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210122495","host_organization_name":"Asklepios Klinik St. Georg","host_organization_lineage":["https://openalex.org/I4210122495"],"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":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:publications.goettingen-research-online.de:2/135646","is_oa":true,"landing_page_url":"https://resolver.sub.uni-goettingen.de/purl?gro-2/135646","pdf_url":null,"source":{"id":"https://openalex.org/S4306401634","display_name":"GoeScholar  The Publication Server of the Georg-August-Universit\u00e4t G\u00f6ttingen (Georg-August-Universit\u00e4t G\u00f6ttingen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210122495","host_organization_name":"Asklepios Klinik St. Georg","host_organization_lineage":["https://openalex.org/I4210122495"],"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":"","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.7799999713897705}],"awards":[],"funders":[{"id":"https://openalex.org/F4320309612","display_name":"Natural Science Foundation of Shanghai","ror":null},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W2063718055","https://openalex.org/W2069266264","https://openalex.org/W2069508080","https://openalex.org/W2085009188","https://openalex.org/W2085594281","https://openalex.org/W2099320314","https://openalex.org/W2117410972","https://openalex.org/W2137393925","https://openalex.org/W2152202842","https://openalex.org/W2339016271","https://openalex.org/W2444492025","https://openalex.org/W2514159439","https://openalex.org/W2786248259","https://openalex.org/W2798056406","https://openalex.org/W2798058877","https://openalex.org/W4292081177","https://openalex.org/W4303113008","https://openalex.org/W6666561095","https://openalex.org/W6674904848","https://openalex.org/W6677650109","https://openalex.org/W6703728582"],"related_works":["https://openalex.org/W1525031810","https://openalex.org/W2286365695","https://openalex.org/W4300783083","https://openalex.org/W2033590120","https://openalex.org/W2807007340","https://openalex.org/W2953240191","https://openalex.org/W59412712","https://openalex.org/W1983977522","https://openalex.org/W2056383477","https://openalex.org/W2086341357"],"abstract_inverted_index":{"Being":[0],"a":[1,16,29,123],"leading":[2],"location-based":[3],"social":[4],"network":[5],"(LBSN),":[6],"Foursquare's":[7],"Swarm":[8,52],"app":[9,27,53],"allows":[10],"users":[11,36],"to":[12,125],"conduct":[13],"check-ins":[14],"at":[15],"specified":[17],"location":[18],"and":[19,72,110,133],"share":[20],"their":[21],"real-time":[22],"locations":[23],"with":[24],"friends.":[25],"This":[26],"records":[28],"massive":[30],"set":[31],"of":[32,35,47,50,68,77,84,117,129],"spatio-temporal":[33],"information":[34],"around":[37],"the":[38,45,51,65,75,81,94,106,115,127,130],"world.":[39],"In":[40],"this":[41],"paper,":[42],"we":[43,91,121],"track":[44],"evolution":[46,128],"user":[48,131],"density":[49],"in":[54],"New":[55],"York":[56],"City":[57],"(NYC)":[58],"for":[59],"one":[60],"entire":[61],"week.":[62],"We":[63],"study":[64],"temporal":[66,82,95],"patterns":[67,96],"different":[69],"venue":[70,78],"categories,":[71],"investigate":[73],"how":[74],"function":[76],"categories":[79],"affects":[80],"behavior":[83,109],"visitors.":[85],"Moreover,":[86],"by":[87],"applying":[88],"time-series":[89],"analysis,":[90],"validate":[92],"that":[93],"can":[97],"be":[98],"effectively":[99],"decomposed":[100],"into":[101],"regular":[102,107],"parts":[103,112],"which":[104,113],"represent":[105,114],"human":[108,118],"stochastic":[111],"randomness":[116],"behavior.":[119],"Finally,":[120],"build":[122],"model":[124],"predict":[126],"density,":[132],"our":[134],"results":[135],"demonstrate":[136],"an":[137],"accurate":[138],"prediction.":[139]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
