{"id":"https://openalex.org/W2951826442","doi":"https://doi.org/10.1109/percomw.2019.8730668","title":"Estimating User Contexts from Mobile Application Usage Histories","display_name":"Estimating User Contexts from Mobile Application Usage Histories","publication_year":2019,"publication_date":"2019-03-01","ids":{"openalex":"https://openalex.org/W2951826442","doi":"https://doi.org/10.1109/percomw.2019.8730668","mag":"2951826442"},"language":"en","primary_location":{"id":"doi:10.1109/percomw.2019.8730668","is_oa":false,"landing_page_url":"https://doi.org/10.1109/percomw.2019.8730668","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","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/A5108408128","display_name":"Toshimitsu Kamiya","orcid":null},"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":"Toshimitsu Kamiya","raw_affiliation_strings":["Graduate School of Information Science and Technology, Osaka University, Osaka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Osaka University, Osaka, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102829391","display_name":"Tatsuya Nakamura","orcid":"https://orcid.org/0000-0002-8005-4513"},"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":"Tatsuya Nakamura","raw_affiliation_strings":["Graduate School of Information Science and Technology, Osaka University, Osaka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Osaka University, Osaka, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039456378","display_name":"Takuya Maekawa","orcid":"https://orcid.org/0000-0002-7227-580X"},"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":"Takuya Maekawa","raw_affiliation_strings":["Graduate School of Information Science and Technology, Osaka University, Osaka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Osaka University, Osaka, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009228302","display_name":"Daichi Amagata","orcid":"https://orcid.org/0000-0001-8571-4931"},"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":"Daichi Amagata","raw_affiliation_strings":["Graduate School of Information Science and Technology, Osaka University, Osaka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Osaka University, Osaka, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012025870","display_name":"Takahiro Hara","orcid":"https://orcid.org/0000-0003-4807-3156"},"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":"Takahiro Hara","raw_affiliation_strings":["Graduate School of Information Science and Technology, Osaka University, Osaka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Osaka University, Osaka, Japan","institution_ids":["https://openalex.org/I98285908"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I98285908"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"765","last_page":"770"},"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":0.9986000061035156,"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":0.9986000061035156,"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":0.9954000115394592,"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/T12607","display_name":"Personal Information Management and User Behavior","score":0.9912999868392944,"subfield":{"id":"https://openalex.org/subfields/1802","display_name":"Information Systems and Management"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7992373704910278},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.7599849700927734},{"id":"https://openalex.org/keywords/context-model","display_name":"Context model","score":0.5029773116111755},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.4898218810558319},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.4818626344203949},{"id":"https://openalex.org/keywords/mobile-computing","display_name":"Mobile computing","score":0.46830928325653076},{"id":"https://openalex.org/keywords/context-awareness","display_name":"Context awareness","score":0.46805140376091003},{"id":"https://openalex.org/keywords/ubiquitous-computing","display_name":"Ubiquitous computing","score":0.4115352928638458},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.3842726945877075},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20656591653823853},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1344582736492157}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7992373704910278},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.7599849700927734},{"id":"https://openalex.org/C183322885","wikidata":"https://www.wikidata.org/wiki/Q17007702","display_name":"Context model","level":3,"score":0.5029773116111755},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.4898218810558319},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.4818626344203949},{"id":"https://openalex.org/C144543869","wikidata":"https://www.wikidata.org/wiki/Q2738570","display_name":"Mobile computing","level":2,"score":0.46830928325653076},{"id":"https://openalex.org/C2781368080","wikidata":"https://www.wikidata.org/wiki/Q501688","display_name":"Context awareness","level":3,"score":0.46805140376091003},{"id":"https://openalex.org/C172195944","wikidata":"https://www.wikidata.org/wiki/Q541265","display_name":"Ubiquitous computing","level":2,"score":0.4115352928638458},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.3842726945877075},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20656591653823853},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1344582736492157},{"id":"https://openalex.org/C2778707766","wikidata":"https://www.wikidata.org/wiki/Q202064","display_name":"Phone","level":2,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","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/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/percomw.2019.8730668","is_oa":false,"landing_page_url":"https://doi.org/10.1109/percomw.2019.8730668","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1985541164","https://openalex.org/W2005567524","https://openalex.org/W2023637508","https://openalex.org/W2039370351","https://openalex.org/W2051210262","https://openalex.org/W2064675550","https://openalex.org/W2070561555","https://openalex.org/W2087898910","https://openalex.org/W2096309085","https://openalex.org/W2099913530","https://openalex.org/W2105842272","https://openalex.org/W2118978333","https://openalex.org/W2144279833","https://openalex.org/W2152423878","https://openalex.org/W2153579005","https://openalex.org/W2154298720","https://openalex.org/W2525466670","https://openalex.org/W2605108175","https://openalex.org/W2777975542","https://openalex.org/W3099069192","https://openalex.org/W4294170691","https://openalex.org/W6675783020","https://openalex.org/W6677954473","https://openalex.org/W6682691769","https://openalex.org/W7020981078"],"related_works":["https://openalex.org/W2114035912","https://openalex.org/W1656433004","https://openalex.org/W2127178188","https://openalex.org/W2116169104","https://openalex.org/W2436001314","https://openalex.org/W2790909464","https://openalex.org/W4233069924","https://openalex.org/W2542603226","https://openalex.org/W1493658939","https://openalex.org/W1982064298"],"abstract_inverted_index":{"While":[0],"context":[1,46,60,101],"information":[2,24,35],"of":[3,14],"a":[4,44,72],"smartphone":[5,39],"user":[6,45,56,100],"such":[7],"as":[8],"his/her":[9],"current":[10],"location,":[11],"the":[12,83,92],"number":[13],"companions,":[15],"mental":[16],"conditions,":[17],"and":[18,59,85],"health":[19],"conditions":[20],"can":[21],"be":[22,64],"fundamental":[23],"towards":[25],"smarter":[26],"services,":[27],"it":[28],"is":[29],"not":[30],"easy":[31],"to":[32,63,78,98],"estimate":[33,99],"these":[34],"with":[36],"built":[37],"in":[38],"sensors.":[40],"This":[41],"paper":[42],"develops":[43],"estimation":[47],"model":[48,94],"based":[49],"on":[50],"mobile":[51],"application":[52,57,103],"usage":[53,104],"histories.":[54],"As":[55],"history":[58,84],"are":[61],"assumed":[62],"time":[65],"series":[66],"data":[67],"that":[68,91],"change":[69],"over":[70],"time,":[71],"recurrent":[73],"neural":[74],"network":[75],"was":[76,95],"employed":[77],"learn":[79],"temporal":[80],"relationship":[81],"between":[82],"context.":[86],"The":[87],"experimental":[88],"results":[89],"confirmed":[90],"proposed":[93],"effectively":[96],"able":[97],"from":[102],"history.":[105]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
