{"id":"https://openalex.org/W2963563124","doi":"https://doi.org/10.3390/s19143213","title":"Human Activity Recognition Using Inertial Sensors in a Smartphone: An Overview","display_name":"Human Activity Recognition Using Inertial Sensors in a Smartphone: An Overview","publication_year":2019,"publication_date":"2019-07-21","ids":{"openalex":"https://openalex.org/W2963563124","doi":"https://doi.org/10.3390/s19143213","mag":"2963563124","pmid":"https://pubmed.ncbi.nlm.nih.gov/31330919"},"language":"en","primary_location":{"id":"doi:10.3390/s19143213","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19143213","pdf_url":"https://www.mdpi.com/1424-8220/19/14/3213/pdf?version=1563703706","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","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/19/14/3213/pdf?version=1563703706","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5037006717","display_name":"Wesllen Sousa Lima","orcid":"https://orcid.org/0000-0001-9669-1659"},"institutions":[{"id":"https://openalex.org/I62885914","display_name":"Universidade Federal do Amazonas","ror":"https://ror.org/02263ky35","country_code":"BR","type":"education","lineage":["https://openalex.org/I62885914"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Wesllen Sousa Lima","raw_affiliation_strings":["Universidade Federal do Amazonas, Manaus 69080-900, Brazil"],"affiliations":[{"raw_affiliation_string":"Universidade Federal do Amazonas, Manaus 69080-900, Brazil","institution_ids":["https://openalex.org/I62885914"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033286636","display_name":"Eduardo Souto","orcid":"https://orcid.org/0000-0003-0003-908X"},"institutions":[{"id":"https://openalex.org/I62885914","display_name":"Universidade Federal do Amazonas","ror":"https://ror.org/02263ky35","country_code":"BR","type":"education","lineage":["https://openalex.org/I62885914"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Eduardo Souto","raw_affiliation_strings":["Universidade Federal do Amazonas, Manaus 69080-900, Brazil"],"affiliations":[{"raw_affiliation_string":"Universidade Federal do Amazonas, Manaus 69080-900, Brazil","institution_ids":["https://openalex.org/I62885914"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088109450","display_name":"Khalil El\u2010Khatib","orcid":"https://orcid.org/0000-0002-5960-6942"},"institutions":[{"id":"https://openalex.org/I39470171","display_name":"University of Ontario Institute of Technology","ror":"https://ror.org/016zre027","country_code":"CA","type":"education","lineage":["https://openalex.org/I39470171"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Khalil El-Khatib","raw_affiliation_strings":["University of Ontario Institute of Technology, Oshawa ON L1H 7K4, Canada"],"affiliations":[{"raw_affiliation_string":"University of Ontario Institute of Technology, Oshawa ON L1H 7K4, Canada","institution_ids":["https://openalex.org/I39470171"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001439661","display_name":"Roozbeh Jalali","orcid":"https://orcid.org/0000-0002-2684-0652"},"institutions":[{"id":"https://openalex.org/I39470171","display_name":"University of Ontario Institute of Technology","ror":"https://ror.org/016zre027","country_code":"CA","type":"education","lineage":["https://openalex.org/I39470171"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Roozbeh Jalali","raw_affiliation_strings":["University of Ontario Institute of Technology, Oshawa ON L1H 7K4, Canada"],"affiliations":[{"raw_affiliation_string":"University of Ontario Institute of Technology, Oshawa ON L1H 7K4, Canada","institution_ids":["https://openalex.org/I39470171"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114376321","display_name":"Jo\u00e3o Gama","orcid":"https://orcid.org/0000-0003-3357-1195"},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Joao Gama","raw_affiliation_strings":["Institute for Systems and Computer Engineering, Technology and Science\u2014INESCTEC, Porto 4200-465, Portugal"],"affiliations":[{"raw_affiliation_string":"Institute for Systems and Computer Engineering, Technology and Science\u2014INESCTEC, Porto 4200-465, Portugal","institution_ids":["https://openalex.org/I4210166615"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5037006717"],"corresponding_institution_ids":["https://openalex.org/I62885914"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":13.7961,"has_fulltext":true,"cited_by_count":250,"citation_normalized_percentile":{"value":0.99061122,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"19","issue":"14","first_page":"3213","last_page":"3213"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9830999970436096,"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9800999760627747,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/activity-recognition","display_name":"Activity recognition","score":0.7488031983375549},{"id":"https://openalex.org/keywords/software-portability","display_name":"Software portability","score":0.7243669033050537},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.6949049234390259},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6856116056442261},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6227923035621643},{"id":"https://openalex.org/keywords/inertial-measurement-unit","display_name":"Inertial measurement unit","score":0.6073670983314514},{"id":"https://openalex.org/keywords/perspective","display_name":"Perspective (graphical)","score":0.537318766117096},{"id":"https://openalex.org/keywords/variety","display_name":"Variety (cybernetics)","score":0.5371310114860535},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.49141013622283936},{"id":"https://openalex.org/keywords/ubiquitous-computing","display_name":"Ubiquitous computing","score":0.4620375633239746},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.40519219636917114},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.30355697870254517}],"concepts":[{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.7488031983375549},{"id":"https://openalex.org/C63000827","wikidata":"https://www.wikidata.org/wiki/Q3080428","display_name":"Software portability","level":2,"score":0.7243669033050537},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.6949049234390259},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6856116056442261},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6227923035621643},{"id":"https://openalex.org/C79061980","wikidata":"https://www.wikidata.org/wiki/Q941680","display_name":"Inertial measurement unit","level":2,"score":0.6073670983314514},{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.537318766117096},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.5371310114860535},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.49141013622283936},{"id":"https://openalex.org/C172195944","wikidata":"https://www.wikidata.org/wiki/Q541265","display_name":"Ubiquitous computing","level":2,"score":0.4620375633239746},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.40519219636917114},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.30355697870254517},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"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/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"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":[{"descriptor_ui":"D000068997","descriptor_name":"Smartphone","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000068997","descriptor_name":"Smartphone","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000068997","descriptor_name":"Smartphone","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006802","descriptor_name":"Human Activities","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006802","descriptor_name":"Human Activities","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006802","descriptor_name":"Human Activities","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":5,"locations":[{"id":"doi:10.3390/s19143213","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19143213","pdf_url":"https://www.mdpi.com/1424-8220/19/14/3213/pdf?version=1563703706","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":"pmid:31330919","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/31330919","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:01e4f66a1e6446c98253545c00c2fb8b","is_oa":true,"landing_page_url":"https://doaj.org/article/01e4f66a1e6446c98253545c00c2fb8b","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"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 19, Iss 14, p 3213 (2019)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:5649532","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6679521","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:/1424-8220/19/14/3213/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s19143213","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","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s19143213","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19143213","pdf_url":"https://www.mdpi.com/1424-8220/19/14/3213/pdf?version=1563703706","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":"Industry, innovation and infrastructure","score":0.4699999988079071,"id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322994","display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado do Amazonas","ror":"https://ror.org/026d6ma13"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2963563124.pdf","grobid_xml":"https://content.openalex.org/works/W2963563124.grobid-xml"},"referenced_works_count":147,"referenced_works":["https://openalex.org/W22482183","https://openalex.org/W82044129","https://openalex.org/W119403003","https://openalex.org/W123295786","https://openalex.org/W134960717","https://openalex.org/W206739251","https://openalex.org/W1497385253","https://openalex.org/W1531358901","https://openalex.org/W1534412948","https://openalex.org/W1546555028","https://openalex.org/W1613249581","https://openalex.org/W1742512077","https://openalex.org/W1809001740","https://openalex.org/W1850325679","https://openalex.org/W1923002919","https://openalex.org/W1966580198","https://openalex.org/W1968142161","https://openalex.org/W1969860714","https://openalex.org/W1971130285","https://openalex.org/W1975675278","https://openalex.org/W1976552421","https://openalex.org/W1980243742","https://openalex.org/W1980526801","https://openalex.org/W1984449119","https://openalex.org/W1986870606","https://openalex.org/W1988189469","https://openalex.org/W1991539813","https://openalex.org/W1994267825","https://openalex.org/W2000108661","https://openalex.org/W2001713891","https://openalex.org/W2002261403","https://openalex.org/W2005347402","https://openalex.org/W2012557818","https://openalex.org/W2017351764","https://openalex.org/W2017634428","https://openalex.org/W2017794574","https://openalex.org/W2018569461","https://openalex.org/W2023302299","https://openalex.org/W2025723605","https://openalex.org/W2030980398","https://openalex.org/W2035787713","https://openalex.org/W2038323322","https://openalex.org/W2038439321","https://openalex.org/W2041920070","https://openalex.org/W2043522193","https://openalex.org/W2054242744","https://openalex.org/W2054780155","https://openalex.org/W2059732136","https://openalex.org/W2060414549","https://openalex.org/W2060813225","https://openalex.org/W2066239727","https://openalex.org/W2068021035","https://openalex.org/W2073401630","https://openalex.org/W2074614040","https://openalex.org/W2075840228","https://openalex.org/W2084490355","https://openalex.org/W2085090498","https://openalex.org/W2095820027","https://openalex.org/W2096937366","https://openalex.org/W2097575504","https://openalex.org/W2103532308","https://openalex.org/W2107951235","https://openalex.org/W2108328714","https://openalex.org/W2108950108","https://openalex.org/W2114063559","https://openalex.org/W2116678161","https://openalex.org/W2117220474","https://openalex.org/W2118503643","https://openalex.org/W2121232806","https://openalex.org/W2129793335","https://openalex.org/W2131147042","https://openalex.org/W2137100320","https://openalex.org/W2138725602","https://openalex.org/W2140944144","https://openalex.org/W2142817672","https://openalex.org/W2144193487","https://openalex.org/W2145343602","https://openalex.org/W2149321393","https://openalex.org/W2153507502","https://openalex.org/W2162198364","https://openalex.org/W2162555816","https://openalex.org/W2163139162","https://openalex.org/W2164489414","https://openalex.org/W2164598857","https://openalex.org/W2166827969","https://openalex.org/W2168974696","https://openalex.org/W2170265372","https://openalex.org/W2200813474","https://openalex.org/W2218390127","https://openalex.org/W2219995598","https://openalex.org/W2243012843","https://openalex.org/W2247209766","https://openalex.org/W2259263553","https://openalex.org/W2270470215","https://openalex.org/W2285354657","https://openalex.org/W2288074780","https://openalex.org/W2291096917","https://openalex.org/W2294889774","https://openalex.org/W2295647538","https://openalex.org/W2300408473","https://openalex.org/W2304267454","https://openalex.org/W2316564986","https://openalex.org/W2320625002","https://openalex.org/W2337546824","https://openalex.org/W2341105960","https://openalex.org/W2425932535","https://openalex.org/W2473781013","https://openalex.org/W2494054254","https://openalex.org/W2495920728","https://openalex.org/W2519457600","https://openalex.org/W2519804223","https://openalex.org/W2525716660","https://openalex.org/W2540822603","https://openalex.org/W2550797816","https://openalex.org/W2551239383","https://openalex.org/W2553427643","https://openalex.org/W2555209581","https://openalex.org/W2558891025","https://openalex.org/W2563686712","https://openalex.org/W2577415454","https://openalex.org/W2592600924","https://openalex.org/W2594116048","https://openalex.org/W2598391117","https://openalex.org/W2604630936","https://openalex.org/W2605049121","https://openalex.org/W2621205740","https://openalex.org/W2736191430","https://openalex.org/W2761268027","https://openalex.org/W2770265759","https://openalex.org/W2781486669","https://openalex.org/W2781777756","https://openalex.org/W2789868604","https://openalex.org/W2790231294","https://openalex.org/W2794717185","https://openalex.org/W2919115771","https://openalex.org/W2949095675","https://openalex.org/W2951163624","https://openalex.org/W2963373106","https://openalex.org/W3001191590","https://openalex.org/W3125210009","https://openalex.org/W3146157709","https://openalex.org/W6608351857","https://openalex.org/W6642856532","https://openalex.org/W6654771614","https://openalex.org/W6686258256","https://openalex.org/W6747690067","https://openalex.org/W6990696534"],"related_works":["https://openalex.org/W107105315","https://openalex.org/W1584537303","https://openalex.org/W4388155270","https://openalex.org/W4367156293","https://openalex.org/W1973973903","https://openalex.org/W2992410632","https://openalex.org/W2025756212","https://openalex.org/W2706752825","https://openalex.org/W3016838864","https://openalex.org/W2766841671"],"abstract_inverted_index":{"The":[0],"ubiquity":[1],"of":[2,7,17,30,83,87,91,100,112,128,142,150,153,159,193],"smartphones":[3,26],"and":[4,15,37,63,72],"the":[5,84,88,98,110,117,126,129,132,143,148,151,157,167,172,178,184,191,194],"growth":[6],"computing":[8],"resources,":[9],"such":[10,69],"as":[11,70],"connectivity,":[12],"processing,":[13],"portability,":[14],"power":[16],"sensing,":[18],"have":[19,47],"greatly":[20],"changed":[21],"people's":[22],"lives.":[23],"Today,":[24],"many":[25,61],"contain":[27],"a":[28,80,139],"variety":[29],"powerful":[31],"sensors,":[32],"including":[33],"motion,":[34],"location,":[35],"network,":[36],"direction":[38],"sensors.":[39,161],"Motion":[40],"or":[41],"inertial":[42,101,160,195],"sensors":[43,102,196],"(e.g.,":[44],"accelerometer),":[45],"specifically,":[46],"been":[48],"widely":[49],"used":[50],"to":[51],"recognize":[52],"users'":[53],"physical":[54],"activities.":[55],"This":[56,105],"has":[57],"opened":[58],"doors":[59],"for":[60],"different":[62],"interesting":[64],"applications":[65],"in":[66,97,103,131,156,198],"several":[67],"areas,":[68],"health":[71],"transportation.":[73],"In":[74],"this":[75,77],"perspective,":[76],"work":[78],"provides":[79],"comprehensive,":[81],"state":[82],"art":[85],"review":[86],"current":[89],"situation":[90],"human":[92,113],"activity":[93],"recognition":[94],"(HAR)":[95],"solutions":[96,155,189],"context":[99,158],"smartphones.":[104,199],"article":[106],"begins":[107],"by":[108,177],"discussing":[109],"concepts":[111],"activities":[114],"along":[115],"with":[116],"complete":[118],"historical":[119],"events,":[120],"focused":[121],"on":[122,147],"smartphones,":[123],"which":[124],"shows":[125],"evolution":[127],"area":[130],"last":[133],"two":[134],"decades.":[135],"Next,":[136],"we":[137,165,182],"present":[138,183],"detailed":[140],"description":[141],"HAR":[144,154,188],"methodology,":[145],"focusing":[146],"presentation":[149],"steps":[152],"For":[162],"each":[163],"step,":[164],"cite":[166],"main":[168,185],"references":[169],"that":[170],"use":[171],"best":[173],"implementation":[174],"practices":[175],"suggested":[176],"scientific":[179],"community.":[180],"Finally,":[181],"results":[186],"about":[187],"from":[190],"perspective":[192],"embedded":[197]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":21},{"year":2024,"cited_by_count":41},{"year":2023,"cited_by_count":47},{"year":2022,"cited_by_count":60},{"year":2021,"cited_by_count":52},{"year":2020,"cited_by_count":23}],"updated_date":"2026-03-26T15:22:09.906841","created_date":"2019-07-30T00:00:00"}