{"id":"https://openalex.org/W2229224018","doi":"https://doi.org/10.1007/978-3-319-23485-4_7","title":"Gradient: A User-Centric Lightweight Smartphone Based Standalone Fall Detection System","display_name":"Gradient: A User-Centric Lightweight Smartphone Based Standalone Fall Detection System","publication_year":2015,"publication_date":"2015-01-01","ids":{"openalex":"https://openalex.org/W2229224018","doi":"https://doi.org/10.1007/978-3-319-23485-4_7","mag":"2229224018"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-319-23485-4_7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-319-23485-4_7","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5072957490","display_name":"Ajay Bhatia","orcid":"https://orcid.org/0000-0003-3962-8500"},"institutions":[{"id":"https://openalex.org/I94616015","display_name":"Punjab Technical University","ror":"https://ror.org/025kz2973","country_code":"IN","type":"education","lineage":["https://openalex.org/I94616015"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Ajay Bhatia","raw_affiliation_strings":["Punjab Technical University, Jalandhar, India"],"affiliations":[{"raw_affiliation_string":"Punjab Technical University, Jalandhar, India","institution_ids":["https://openalex.org/I94616015"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052889812","display_name":"Suman Kumar","orcid":"https://orcid.org/0009-0009-9987-7702"},"institutions":[{"id":"https://openalex.org/I149292303","display_name":"Troy University","ror":"https://ror.org/029jj9438","country_code":"US","type":"education","lineage":["https://openalex.org/I149292303"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Suman Kumar","raw_affiliation_strings":["Troy University, Troy, AL, 36082, USA"],"affiliations":[{"raw_affiliation_string":"Troy University, Troy, AL, 36082, USA","institution_ids":["https://openalex.org/I149292303"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026089310","display_name":"Vijay Mago","orcid":"https://orcid.org/0000-0002-9741-3463"},"institutions":[{"id":"https://openalex.org/I72541430","display_name":"Lakehead University","ror":"https://ror.org/023p7mg82","country_code":"CA","type":"education","lineage":["https://openalex.org/I72541430"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Vijay Kumar Mago","raw_affiliation_strings":["Department of Computer Science, Lakehead University, Thunder Bay, ON, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Lakehead University, Thunder Bay, ON, Canada","institution_ids":["https://openalex.org/I72541430"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5072957490"],"corresponding_institution_ids":["https://openalex.org/I94616015"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.08198817,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"67","last_page":"78"},"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9797999858856201,"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"}},{"id":"https://openalex.org/T11932","display_name":"Wireless Body Area Networks","score":0.9700000286102295,"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/accelerometer","display_name":"Accelerometer","score":0.7814306020736694},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6278473734855652},{"id":"https://openalex.org/keywords/user-friendly","display_name":"User Friendly","score":0.612128734588623},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5473003387451172},{"id":"https://openalex.org/keywords/work","display_name":"Work (physics)","score":0.5319346189498901},{"id":"https://openalex.org/keywords/smartphone-application","display_name":"Smartphone application","score":0.5046471357345581},{"id":"https://openalex.org/keywords/event","display_name":"Event (particle physics)","score":0.4593105912208557},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.42914292216300964},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.4211937487125397},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3463018536567688},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20261141657829285},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.12701275944709778},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.12275296449661255}],"concepts":[{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.7814306020736694},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6278473734855652},{"id":"https://openalex.org/C61437842","wikidata":"https://www.wikidata.org/wiki/Q281291","display_name":"User Friendly","level":2,"score":0.612128734588623},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5473003387451172},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.5319346189498901},{"id":"https://openalex.org/C3020250448","wikidata":"https://www.wikidata.org/wiki/Q620615","display_name":"Smartphone application","level":2,"score":0.5046471357345581},{"id":"https://openalex.org/C2779662365","wikidata":"https://www.wikidata.org/wiki/Q5416694","display_name":"Event (particle physics)","level":2,"score":0.4593105912208557},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.42914292216300964},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.4211937487125397},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3463018536567688},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20261141657829285},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.12701275944709778},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.12275296449661255},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-319-23485-4_7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-319-23485-4_7","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.41999998688697815}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W104253661","https://openalex.org/W1512614806","https://openalex.org/W1586249865","https://openalex.org/W2051522979","https://openalex.org/W2081114569","https://openalex.org/W2096962968","https://openalex.org/W2101286829","https://openalex.org/W2104619880","https://openalex.org/W2104706302","https://openalex.org/W2116178519","https://openalex.org/W2117519970","https://openalex.org/W2119249574","https://openalex.org/W2133706488","https://openalex.org/W2155326828","https://openalex.org/W2159754119","https://openalex.org/W2761471633","https://openalex.org/W4233704637"],"related_works":["https://openalex.org/W2765080098","https://openalex.org/W2385749422","https://openalex.org/W2009888974","https://openalex.org/W2355290145","https://openalex.org/W2353465659","https://openalex.org/W3023105672","https://openalex.org/W2355539379","https://openalex.org/W4231410700","https://openalex.org/W4237770763","https://openalex.org/W2053352781"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}