{"id":"https://openalex.org/W1983479739","doi":"https://doi.org/10.1145/1864431.1864452","title":"User activity understanding from mobile phone sensors","display_name":"User activity understanding from mobile phone sensors","publication_year":2010,"publication_date":"2010-09-26","ids":{"openalex":"https://openalex.org/W1983479739","doi":"https://doi.org/10.1145/1864431.1864452","mag":"1983479739"},"language":"en","primary_location":{"id":"doi:10.1145/1864431.1864452","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1864431.1864452","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 12th ACM international conference adjunct papers on Ubiquitous computing - Adjunct","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/A5112403434","display_name":"Yuki Arase","orcid":"https://orcid.org/0000-0002-7271-6206"},"institutions":[{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuki Arase","raw_affiliation_strings":["Microsoft Research Asia, Beijing, China","Microsoft research Asia, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]},{"raw_affiliation_string":"Microsoft research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003334557","display_name":"Fei Ren","orcid":"https://orcid.org/0000-0002-4472-9077"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Ren","raw_affiliation_strings":["Beihang University, Beijing, China","BeiHang University, BeiJing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"BeiHang University, BeiJing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044651577","display_name":"Xing Xie","orcid":"https://orcid.org/0000-0002-8608-8482"},"institutions":[{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xing Xie","raw_affiliation_strings":["Microsoft Research Asia, Beijing, China","Microsoft research Asia, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]},{"raw_affiliation_string":"Microsoft research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8158,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.69152424,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"391","last_page":"392"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9975000023841858,"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/T10803","display_name":"Innovative Human-Technology Interaction","score":0.996999979019165,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7675813436508179},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.7357267141342163},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.6417533159255981},{"id":"https://openalex.org/keywords/mobile-phone","display_name":"Mobile phone","score":0.6306751370429993},{"id":"https://openalex.org/keywords/mobile-computing","display_name":"Mobile computing","score":0.5295729637145996},{"id":"https://openalex.org/keywords/phone","display_name":"Phone","score":0.5172206163406372},{"id":"https://openalex.org/keywords/ubiquitous-computing","display_name":"Ubiquitous computing","score":0.49737027287483215},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.48980116844177246},{"id":"https://openalex.org/keywords/mobile-telephony","display_name":"Mobile telephony","score":0.4419105648994446},{"id":"https://openalex.org/keywords/mobile-interaction","display_name":"Mobile interaction","score":0.43685805797576904},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.41839009523391724},{"id":"https://openalex.org/keywords/context-awareness","display_name":"Context awareness","score":0.4129638075828552},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.36705470085144043},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.301111102104187},{"id":"https://openalex.org/keywords/mobile-radio","display_name":"Mobile radio","score":0.1302228569984436},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1300349235534668},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.116313636302948}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7675813436508179},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.7357267141342163},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.6417533159255981},{"id":"https://openalex.org/C2777421447","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Mobile phone","level":2,"score":0.6306751370429993},{"id":"https://openalex.org/C144543869","wikidata":"https://www.wikidata.org/wiki/Q2738570","display_name":"Mobile computing","level":2,"score":0.5295729637145996},{"id":"https://openalex.org/C2778707766","wikidata":"https://www.wikidata.org/wiki/Q202064","display_name":"Phone","level":2,"score":0.5172206163406372},{"id":"https://openalex.org/C172195944","wikidata":"https://www.wikidata.org/wiki/Q541265","display_name":"Ubiquitous computing","level":2,"score":0.49737027287483215},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.48980116844177246},{"id":"https://openalex.org/C95491727","wikidata":"https://www.wikidata.org/wiki/Q992968","display_name":"Mobile telephony","level":3,"score":0.4419105648994446},{"id":"https://openalex.org/C115121344","wikidata":"https://www.wikidata.org/wiki/Q6887140","display_name":"Mobile interaction","level":3,"score":0.43685805797576904},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.41839009523391724},{"id":"https://openalex.org/C2781368080","wikidata":"https://www.wikidata.org/wiki/Q501688","display_name":"Context awareness","level":3,"score":0.4129638075828552},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.36705470085144043},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.301111102104187},{"id":"https://openalex.org/C2781307350","wikidata":"https://www.wikidata.org/wiki/Q6887221","display_name":"Mobile radio","level":2,"score":0.1302228569984436},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1300349235534668},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.116313636302948},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1864431.1864452","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1864431.1864452","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 12th ACM international conference adjunct papers on Ubiquitous computing - Adjunct","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8100000023841858,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2022473238","https://openalex.org/W2108328714","https://openalex.org/W2125057497","https://openalex.org/W2156221064","https://openalex.org/W2495593792"],"related_works":["https://openalex.org/W1553902753","https://openalex.org/W57335507","https://openalex.org/W2057969524","https://openalex.org/W4292139036","https://openalex.org/W2085450850","https://openalex.org/W2039500599","https://openalex.org/W4243767044","https://openalex.org/W2123086119","https://openalex.org/W2114035912","https://openalex.org/W1493658939"],"abstract_inverted_index":{"Context":[0],"acquisition":[1],"is":[2],"an":[3],"important":[4],"technology":[5],"for":[6],"ubiquitous":[7],"computing.":[8],"An":[9],"ideal":[10],"approach":[11],"would":[12],"be":[13,74],"easy":[14],"to":[15,19,32,40,47,52],"deploy":[16],"and":[17,35,63],"non-intrusive":[18],"people's":[20,69],"life.":[21],"Mobile":[22],"phones":[23],"equipped":[24],"with":[25],"advanced":[26],"sensors":[27],"are":[28],"preferable":[29],"platform":[30],"owing":[31],"their":[33,77],"user-friendliness":[34],"freedom":[36],"from":[37,76],"extra":[38],"costs":[39],"deploy.":[41],"In":[42],"this":[43],"study,":[44],"we":[45],"propose":[46],"use":[48],"a":[49],"mobile":[50],"phone":[51],"detect":[53],"user":[54],"contexts.":[55,78],"We":[56],"formally":[57],"define":[58],"the":[59],"concept":[60],"of":[61],"context":[62],"then":[64],"describe":[65],"applications":[66],"that":[67],"leverage":[68],"long-term":[70],"activity,":[71],"which":[72],"can":[73],"inferred":[75]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}