{"id":"https://openalex.org/W2934924962","doi":"https://doi.org/10.1145/3314414","title":"Modeling Spatio-Temporal App Usage for a Large User Population","display_name":"Modeling Spatio-Temporal App Usage for a Large User Population","publication_year":2019,"publication_date":"2019-03-29","ids":{"openalex":"https://openalex.org/W2934924962","doi":"https://doi.org/10.1145/3314414","mag":"2934924962"},"language":"en","primary_location":{"id":"doi:10.1145/3314414","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3314414","pdf_url":null,"source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-article"},"type":"article","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/A5034129532","display_name":"Huandong Wang","orcid":"https://orcid.org/0000-0002-6382-0861"},"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":true,"raw_author_name":"Huandong Wang","raw_affiliation_strings":["Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]}]},{"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":["Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103146310","display_name":"Sihan Zeng","orcid":"https://orcid.org/0000-0003-4302-1701"},"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":"Sihan Zeng","raw_affiliation_strings":["Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067617335","display_name":"Gang Wang","orcid":"https://orcid.org/0000-0002-6395-9409"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Gang Wang","raw_affiliation_strings":["Department of Computer Science, Virginia Tech, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Virginia Tech, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103017598","display_name":"Pengyu Zhang","orcid":"https://orcid.org/0000-0001-5111-4487"},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Pengyu Zhang","raw_affiliation_strings":["Department of Computer Science, Stanford University, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Stanford University, USA","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029925982","display_name":"Pan Hui","orcid":"https://orcid.org/0000-0002-0848-2599"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Pan Hui","raw_affiliation_strings":["Department of Computer Science and Engineering, University of Helsinki, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044100655","display_name":"Depeng Jin","orcid":"https://orcid.org/0000-0003-0419-5514"},"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":"Depeng Jin","raw_affiliation_strings":["Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5034129532"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":8.3281,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.967734,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"3","issue":"1","first_page":"1","last_page":"23"},"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/T12238","display_name":"Green IT and Sustainability","score":0.9980999827384949,"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/T11446","display_name":"Mobile Health and mHealth Applications","score":0.9819999933242798,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.818871259689331},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.6253462433815002},{"id":"https://openalex.org/keywords/usability","display_name":"Usability","score":0.6101400256156921},{"id":"https://openalex.org/keywords/mobile-apps","display_name":"Mobile apps","score":0.5212967395782471},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.4857921600341797},{"id":"https://openalex.org/keywords/latent-dirichlet-allocation","display_name":"Latent Dirichlet allocation","score":0.43118536472320557},{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.4254886507987976},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.41744565963745117},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.4125872552394867},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.37987005710601807},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.32145315408706665},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.23792245984077454},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.22860187292099},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.21797212958335876},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.17821332812309265}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.818871259689331},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.6253462433815002},{"id":"https://openalex.org/C170130773","wikidata":"https://www.wikidata.org/wiki/Q216378","display_name":"Usability","level":2,"score":0.6101400256156921},{"id":"https://openalex.org/C2988145974","wikidata":"https://www.wikidata.org/wiki/Q620615","display_name":"Mobile apps","level":2,"score":0.5212967395782471},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.4857921600341797},{"id":"https://openalex.org/C500882744","wikidata":"https://www.wikidata.org/wiki/Q269236","display_name":"Latent Dirichlet allocation","level":3,"score":0.43118536472320557},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.4254886507987976},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.41744565963745117},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.4125872552394867},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.37987005710601807},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.32145315408706665},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.23792245984077454},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.22860187292099},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.21797212958335876},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.17821332812309265},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3314414","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3314414","pdf_url":null,"source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-102518","is_oa":false,"landing_page_url":"https://repository.hkust.edu.hk/ir/Record/1783.1-102518","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},{"id":"pmh:oai:repository.ust.hk:1783.1-102518","is_oa":false,"landing_page_url":"http://repository.ust.hk/ir/Record/1783.1-102518","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":76,"referenced_works":["https://openalex.org/W112307370","https://openalex.org/W195364088","https://openalex.org/W1544471796","https://openalex.org/W1594697445","https://openalex.org/W1680392829","https://openalex.org/W1880262756","https://openalex.org/W1969157788","https://openalex.org/W1970696983","https://openalex.org/W1972243012","https://openalex.org/W1977314396","https://openalex.org/W1979112807","https://openalex.org/W1981029888","https://openalex.org/W1982300822","https://openalex.org/W1993599520","https://openalex.org/W2000881526","https://openalex.org/W2002658930","https://openalex.org/W2004355295","https://openalex.org/W2009573649","https://openalex.org/W2017281925","https://openalex.org/W2024877464","https://openalex.org/W2026011086","https://openalex.org/W2032654855","https://openalex.org/W2052602449","https://openalex.org/W2056284729","https://openalex.org/W2056510157","https://openalex.org/W2059512573","https://openalex.org/W2063571473","https://openalex.org/W2067481044","https://openalex.org/W2073013176","https://openalex.org/W2073021764","https://openalex.org/W2073601450","https://openalex.org/W2075743842","https://openalex.org/W2082894754","https://openalex.org/W2098841537","https://openalex.org/W2100163972","https://openalex.org/W2101108259","https://openalex.org/W2108436124","https://openalex.org/W2108685212","https://openalex.org/W2110953678","https://openalex.org/W2117812871","https://openalex.org/W2120761625","https://openalex.org/W2123947647","https://openalex.org/W2126895033","https://openalex.org/W2133253683","https://openalex.org/W2139872359","https://openalex.org/W2147693219","https://openalex.org/W2151234377","https://openalex.org/W2153207204","https://openalex.org/W2154309443","https://openalex.org/W2163784508","https://openalex.org/W2167117130","https://openalex.org/W2172211955","https://openalex.org/W2325227998","https://openalex.org/W2385600359","https://openalex.org/W2460937626","https://openalex.org/W2511316824","https://openalex.org/W2511693736","https://openalex.org/W2514293650","https://openalex.org/W2516874331","https://openalex.org/W2538649853","https://openalex.org/W2585077751","https://openalex.org/W2606406222","https://openalex.org/W2617955281","https://openalex.org/W2743969099","https://openalex.org/W2769747407","https://openalex.org/W2808478781","https://openalex.org/W2907806693","https://openalex.org/W2930189014","https://openalex.org/W2930399901","https://openalex.org/W2950133940","https://openalex.org/W2952771778","https://openalex.org/W2962741536","https://openalex.org/W2997842691","https://openalex.org/W2998347490","https://openalex.org/W3102407811","https://openalex.org/W4231510805"],"related_works":["https://openalex.org/W2769501189","https://openalex.org/W4315588616","https://openalex.org/W4312773271","https://openalex.org/W2888805565","https://openalex.org/W2962686197","https://openalex.org/W3005513013","https://openalex.org/W2207653751","https://openalex.org/W2611137333","https://openalex.org/W4389543811","https://openalex.org/W4291700620"],"abstract_inverted_index":{"With":[0],"the":[1,60,65,95,108,146,150,170,198],"wide":[2],"adoption":[3],"of":[4,50,97,128],"mobile":[5,16],"devices,":[6],"it":[7],"becomes":[8],"increasingly":[9],"important":[10],"to":[11,31,41,59,79,106,112,185],"understand":[12],"how":[13],"users":[14,115,135],"use":[15],"apps.":[17,138],"Knowing":[18],"when":[19],"and":[20,35,64,83,88,149,166,175],"where":[21,82],"certain":[22],"apps":[23,85,151],"are":[24,86],"used":[25,87,184],"is":[26],"instrumental":[27],"for":[28,36],"app":[29,33,51,91,129,167,187],"developers":[30],"improve":[32],"usability":[34],"Internet":[37],"service":[38],"providers":[39],"(ISPs)":[40],"optimize":[42],"their":[43],"network":[44],"services.":[45],"However,":[46],"modeling":[47],"spatio-temporal":[48,110],"patterns":[49,111],"usage":[52,62,130,188],"has":[53],"been":[54],"a":[55,75,102,125,142],"challenging":[56],"problem":[57],"due":[58],"complicated":[61],"behavior":[63],"very":[66],"limited":[67],"personal":[68],"data.":[69,118],"In":[70,178],"this":[71],"paper,":[72],"we":[73,100],"propose":[74],"Bayesian":[76],"mixture":[77],"model":[78,114,123,159,181],"capture":[80],"when,":[81],"what":[84],"predict":[89,162],"future":[90,164],"usage.":[92],"To":[93],"solve":[94],"challenge":[96],"data":[98,200],"sparsity,":[99],"apply":[101],"hierarchical":[103],"Dirichlet":[104],"process":[105],"leverage":[107],"shared":[109],"accurately":[113,161],"with":[116],"insufficient":[117],"We":[119],"then":[120],"evaluate":[121],"our":[122,158,180],"using":[124],"large":[126],"dataset":[127],"traces":[131,189],"involving":[132],"1.7":[133],"million":[134],"over":[136],"3503":[137],"Our":[139],"analysis":[140],"shows":[141],"clear":[143],"correlation":[144],"between":[145],"user's":[147],"location":[148],"being":[152],"used.":[153],"Extensive":[154],"evaluations":[155],"show":[156],"that":[157,190],"can":[160,182],"users'":[163],"locations":[165],"usage,":[168],"outperforming":[169],"state-of-the-art":[171],"algorithms":[172],"by":[173],"11.7%":[174],"11.1%,":[176],"respectively.":[177],"addition,":[179],"be":[183],"synthesize":[186],"do":[191],"not":[192],"leak":[193],"user":[194],"privacy":[195],"while":[196],"preserving":[197],"key":[199],"statistical":[201],"properties.":[202]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":9}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
