{"id":"https://openalex.org/W4409190505","doi":"https://doi.org/10.1007/s11042-025-20815-0","title":"Federated learning approach for human activity recognition in online examination environment","display_name":"Federated learning approach for human activity recognition in online examination environment","publication_year":2025,"publication_date":"2025-04-05","ids":{"openalex":"https://openalex.org/W4409190505","doi":"https://doi.org/10.1007/s11042-025-20815-0"},"language":"en","primary_location":{"id":"doi:10.1007/s11042-025-20815-0","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11042-025-20815-0","pdf_url":null,"source":{"id":"https://openalex.org/S110206669","display_name":"Multimedia Tools and Applications","issn_l":"1380-7501","issn":["1380-7501","1573-7721"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Multimedia Tools and Applications","raw_type":"journal-article"},"type":"article","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/A5100636184","display_name":"Swarna Priya Ramu","orcid":"https://orcid.org/0000-0002-8287-9690"},"institutions":[{"id":"https://openalex.org/I11880225","display_name":"National Institute of Technology Karnataka","ror":"https://ror.org/01hz4v948","country_code":"IN","type":"education","lineage":["https://openalex.org/I11880225"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Ramu S","raw_affiliation_strings":["National Institute of Technology Karnataka, Surathkal, Karnataka, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Technology Karnataka, Surathkal, Karnataka, India","institution_ids":["https://openalex.org/I11880225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007453385","display_name":"Ram Mohana Reddy Guddeti","orcid":"https://orcid.org/0000-0003-1361-3837"},"institutions":[{"id":"https://openalex.org/I11880225","display_name":"National Institute of Technology Karnataka","ror":"https://ror.org/01hz4v948","country_code":"IN","type":"education","lineage":["https://openalex.org/I11880225"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Ram Mohana Reddy Guddeti","raw_affiliation_strings":["National Institute of Technology Karnataka, Surathkal, Karnataka, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Technology Karnataka, Surathkal, Karnataka, India","institution_ids":["https://openalex.org/I11880225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032581304","display_name":"Biju R. Mohan","orcid":"https://orcid.org/0000-0002-3928-8924"},"institutions":[{"id":"https://openalex.org/I11880225","display_name":"National Institute of Technology Karnataka","ror":"https://ror.org/01hz4v948","country_code":"IN","type":"education","lineage":["https://openalex.org/I11880225"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Biju R. Mohan","raw_affiliation_strings":["National Institute of Technology Karnataka, Surathkal, Karnataka, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Technology Karnataka, Surathkal, Karnataka, India","institution_ids":["https://openalex.org/I11880225"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100636184"],"corresponding_institution_ids":["https://openalex.org/I11880225"],"apc_list":null,"apc_paid":null,"fwci":1.8412,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.84414815,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"84","issue":"33","first_page":"41527","last_page":"41540"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9986000061035156,"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":0.9986000061035156,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9962000250816345,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9950000047683716,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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":0.9213438630104065},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.45487791299819946},{"id":"https://openalex.org/keywords/activity-recognition","display_name":"Activity recognition","score":0.42121535539627075},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.4155810475349426},{"id":"https://openalex.org/keywords/online-learning","display_name":"Online learning","score":0.41001763939857483},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.38457736372947693},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.28041237592697144}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.9213438630104065},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45487791299819946},{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.42121535539627075},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.4155810475349426},{"id":"https://openalex.org/C2986087404","wikidata":"https://www.wikidata.org/wiki/Q15946010","display_name":"Online learning","level":2,"score":0.41001763939857483},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.38457736372947693},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.28041237592697144}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s11042-025-20815-0","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11042-025-20815-0","pdf_url":null,"source":{"id":"https://openalex.org/S110206669","display_name":"Multimedia Tools and Applications","issn_l":"1380-7501","issn":["1380-7501","1573-7721"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Multimedia Tools and Applications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W2096733369","https://openalex.org/W2201006441","https://openalex.org/W2219995598","https://openalex.org/W2342792048","https://openalex.org/W2573323278","https://openalex.org/W2586221557","https://openalex.org/W2591878254","https://openalex.org/W2619606157","https://openalex.org/W2770265759","https://openalex.org/W2802868615","https://openalex.org/W2912213068","https://openalex.org/W2914655456","https://openalex.org/W2950847865","https://openalex.org/W2954070046","https://openalex.org/W3012125688","https://openalex.org/W3083403771","https://openalex.org/W3088927960","https://openalex.org/W3091616849","https://openalex.org/W3098488418","https://openalex.org/W3118782137","https://openalex.org/W3129920232","https://openalex.org/W3134843574","https://openalex.org/W3135068520","https://openalex.org/W3138900755","https://openalex.org/W3158055634","https://openalex.org/W3158635138","https://openalex.org/W3170111371","https://openalex.org/W3173086708","https://openalex.org/W3173955906","https://openalex.org/W3174633015","https://openalex.org/W3190284897","https://openalex.org/W3192527065","https://openalex.org/W3201738883","https://openalex.org/W3209464595","https://openalex.org/W4206477781","https://openalex.org/W4210598935","https://openalex.org/W4243869087","https://openalex.org/W4285503909","https://openalex.org/W4292995425","https://openalex.org/W4390233154"],"related_works":["https://openalex.org/W2961085424","https://openalex.org/W4306674287","https://openalex.org/W4387369504","https://openalex.org/W4394896187","https://openalex.org/W3170094116","https://openalex.org/W4386462264","https://openalex.org/W3107602296","https://openalex.org/W4364306694","https://openalex.org/W4312192474","https://openalex.org/W4283697347"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-06-13T06:13:01.061226","created_date":"2025-10-10T00:00:00"}