{"id":"https://openalex.org/W2063880591","doi":"https://doi.org/10.3390/s120912588","title":"Comprehensive Context Recognizer Based on Multimodal Sensors in a Smartphone","display_name":"Comprehensive Context Recognizer Based on Multimodal Sensors in a Smartphone","publication_year":2012,"publication_date":"2012-09-17","ids":{"openalex":"https://openalex.org/W2063880591","doi":"https://doi.org/10.3390/s120912588","mag":"2063880591"},"language":"en","primary_location":{"id":"doi:10.3390/s120912588","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s120912588","pdf_url":"https://www.mdpi.com/1424-8220/12/9/12588/pdf?version=1403318299","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/12/9/12588/pdf?version=1403318299","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108495397","display_name":"Manhyung Han","orcid":null},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Manhyung Han","raw_affiliation_strings":["Department of Computer Engineering, Kyung Hee University (Global Campus), 1 Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Kyung Hee University (Global Campus), 1 Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea","institution_ids":["https://openalex.org/I35928602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113869900","display_name":"La The Vinh","orcid":null},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"La The Vinh","raw_affiliation_strings":["Department of Computer Engineering, Kyung Hee University (Global Campus), 1 Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Kyung Hee University (Global Campus), 1 Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea","institution_ids":["https://openalex.org/I35928602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113529185","display_name":"Young-Koo Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Young-Koo Lee","raw_affiliation_strings":["Department of Computer Engineering, Kyung Hee University (Global Campus), 1 Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Kyung Hee University (Global Campus), 1 Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea","institution_ids":["https://openalex.org/I35928602"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113678036","display_name":"Sungyoung Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Sungyoung Lee","raw_affiliation_strings":["Department of Computer Engineering, Kyung Hee University (Global Campus), 1 Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Kyung Hee University (Global Campus), 1 Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea","institution_ids":["https://openalex.org/I35928602"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5113678036"],"corresponding_institution_ids":["https://openalex.org/I35928602"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":6.5367,"has_fulltext":false,"cited_by_count":83,"citation_normalized_percentile":{"value":0.9727448,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"12","issue":"9","first_page":"12588","last_page":"12605"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9998000264167786,"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":0.9998000264167786,"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/T12222","display_name":"IoT-based Smart Home Systems","score":0.9961000084877014,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9943000078201294,"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/accelerometer","display_name":"Accelerometer","score":0.8668374419212341},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.738053560256958},{"id":"https://openalex.org/keywords/phone","display_name":"Phone","score":0.6236204504966736},{"id":"https://openalex.org/keywords/gyroscope","display_name":"Gyroscope","score":0.5850518345832825},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.5828386545181274},{"id":"https://openalex.org/keywords/power-consumption","display_name":"Power consumption","score":0.5097669959068298},{"id":"https://openalex.org/keywords/activity-recognition","display_name":"Activity recognition","score":0.499159574508667},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4802822768688202},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.4778461158275604},{"id":"https://openalex.org/keywords/mobile-phone","display_name":"Mobile phone","score":0.4761624038219452},{"id":"https://openalex.org/keywords/feature-selection","display_name":"Feature selection","score":0.47516128420829773},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.46013158559799194},{"id":"https://openalex.org/keywords/ubiquitous-computing","display_name":"Ubiquitous computing","score":0.4562903046607971},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.43861493468284607},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.4205961227416992},{"id":"https://openalex.org/keywords/android","display_name":"Android (operating system)","score":0.41422346234321594},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.38839757442474365},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.34593838453292847},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.2640928626060486},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1951606571674347},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.06973695755004883}],"concepts":[{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.8668374419212341},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.738053560256958},{"id":"https://openalex.org/C2778707766","wikidata":"https://www.wikidata.org/wiki/Q202064","display_name":"Phone","level":2,"score":0.6236204504966736},{"id":"https://openalex.org/C158488048","wikidata":"https://www.wikidata.org/wiki/Q483400","display_name":"Gyroscope","level":2,"score":0.5850518345832825},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.5828386545181274},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.5097669959068298},{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.499159574508667},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4802822768688202},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.4778461158275604},{"id":"https://openalex.org/C2777421447","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Mobile phone","level":2,"score":0.4761624038219452},{"id":"https://openalex.org/C148483581","wikidata":"https://www.wikidata.org/wiki/Q446488","display_name":"Feature selection","level":2,"score":0.47516128420829773},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.46013158559799194},{"id":"https://openalex.org/C172195944","wikidata":"https://www.wikidata.org/wiki/Q541265","display_name":"Ubiquitous computing","level":2,"score":0.4562903046607971},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.43861493468284607},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.4205961227416992},{"id":"https://openalex.org/C557433098","wikidata":"https://www.wikidata.org/wiki/Q94","display_name":"Android (operating system)","level":2,"score":0.41422346234321594},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38839757442474365},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.34593838453292847},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.2640928626060486},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1951606571674347},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.06973695755004883},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/s120912588","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s120912588","pdf_url":"https://www.mdpi.com/1424-8220/12/9/12588/pdf?version=1403318299","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:6380459a86bb460fbed5284f864f4383","is_oa":true,"landing_page_url":"https://doaj.org/article/6380459a86bb460fbed5284f864f4383","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":"Sensors, Vol 12, Iss 9, Pp 12588-12605 (2012)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:2475970","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/3478860","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"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":null,"raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/12/9/12588/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s120912588","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":"Sensors; Volume 12; Issue 9; Pages: 12588-12605","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s120912588","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s120912588","pdf_url":"https://www.mdpi.com/1424-8220/12/9/12588/pdf?version=1403318299","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8199999928474426}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W2063880591.pdf"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W98188630","https://openalex.org/W1561603276","https://openalex.org/W1565064763","https://openalex.org/W1966976522","https://openalex.org/W1988937832","https://openalex.org/W1995103535","https://openalex.org/W2017634428","https://openalex.org/W2063499201","https://openalex.org/W2105046342","https://openalex.org/W2107093695","https://openalex.org/W2108126247","https://openalex.org/W2108950108","https://openalex.org/W2119464071","https://openalex.org/W2125838338","https://openalex.org/W2132691216","https://openalex.org/W2137343183","https://openalex.org/W2149216032","https://openalex.org/W2149772057","https://openalex.org/W2154053567","https://openalex.org/W2156483112","https://openalex.org/W2162534641","https://openalex.org/W2162555816","https://openalex.org/W2166712377","https://openalex.org/W2168538666","https://openalex.org/W2171805028","https://openalex.org/W2546819321","https://openalex.org/W6604091132","https://openalex.org/W6677950568","https://openalex.org/W6729308270"],"related_works":["https://openalex.org/W2356006086","https://openalex.org/W1973973903","https://openalex.org/W2545168295","https://openalex.org/W4234814094","https://openalex.org/W2365897603","https://openalex.org/W2156308897","https://openalex.org/W2361871310","https://openalex.org/W2417246878","https://openalex.org/W1982154684","https://openalex.org/W2404620998"],"abstract_inverted_index":{"Recent":[0],"developments":[1],"in":[2,63,80],"smartphones":[3],"have":[4,36],"increased":[5],"the":[6,31,38,77,105,120,128,137,141,166,185,189,196],"processing":[7],"capabilities":[8],"and":[9,27,179],"equipped":[10],"these":[11,46],"devices":[12],"with":[13,95,203],"a":[14,57,68,132,145,160],"number":[15],"of":[16,40,60,93,188,206],"built-in":[17],"multimodal":[18,78],"sensors,":[19],"including":[20],"accelerometers,":[21],"gyroscopes,":[22],"GPS":[23],"interfaces,":[24],"Wi-Fi":[25],"access,":[26],"proximity":[28],"sensors.":[29],"Despite":[30],"fact":[32],"that":[33,75,195],"numerous":[34],"studies":[35],"investigated":[37],"development":[39],"user-context":[41],"aware":[42,73],"applications":[43,47,74],"using":[44,56,140],"smartphones,":[45],"are":[48],"currently":[49],"only":[50,87],"able":[51,88,102,123],"to":[52,89,103,124,143,154],"recognize":[53,90,125],"simple":[54],"contexts":[55,94],"single":[58],"type":[59],"sensor.":[61],"Therefore,":[62],"this":[64],"work,":[65],"we":[66,157],"introduce":[67],"comprehensive":[69],"approach":[70],"for":[71,165],"context":[72],"utilizes":[76],"sensors":[79,110],"smartphones.":[81],"The":[82,170],"proposed":[83,171,197],"system":[84,121,198],"is":[85,100,122,130,139],"not":[86],"different":[91],"kinds":[92],"high":[96],"accuracy,":[97],"but":[98],"it":[99],"also":[101,158],"optimize":[104],"power":[106],"consumption":[107],"since":[108],"power-hungry":[109],"can":[111,199],"be":[112],"activated":[113],"or":[114,152],"deactivated":[115],"at":[116],"appropriate":[117],"times.":[118],"Additionally,":[119],"activities":[126,202],"wherever":[127],"smartphone":[129],"on":[131],"human\u2019s":[133],"body,":[134],"even":[135],"when":[136],"user":[138],"phone":[142,146],"make":[144],"call,":[147],"manipulate":[148],"applications,":[149],"play":[150],"games,":[151],"listen":[153],"music.":[155],"Furthermore,":[156],"present":[159],"novel":[161],"feature":[162,172],"selection":[163,173],"algorithm":[164,174],"accelerometer":[167,190],"classification":[168],"module.":[169],"helps":[175],"select":[176],"good":[177],"features":[178],"eliminates":[180],"bad":[181],"features,":[182],"thereby":[183],"improving":[184],"overall":[186],"accuracy":[187,205],"classifier.":[191],"Experimental":[192],"results":[193],"show":[194],"classify":[200],"eight":[201],"an":[204],"92.43%.":[207]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":10},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":12},{"year":2013,"cited_by_count":2}],"updated_date":"2026-05-22T06:13:13.366637","created_date":"2016-06-24T00:00:00"}