{"id":"https://openalex.org/W4406933174","doi":"https://doi.org/10.3390/jsan14010011","title":"Federated Learning for privacy-Friendly Health Apps: A Case Study on Ovulation Tracking","display_name":"Federated Learning for privacy-Friendly Health Apps: A Case Study on Ovulation Tracking","publication_year":2025,"publication_date":"2025-01-29","ids":{"openalex":"https://openalex.org/W4406933174","doi":"https://doi.org/10.3390/jsan14010011"},"language":"en","primary_location":{"id":"doi:10.3390/jsan14010011","is_oa":true,"landing_page_url":"https://doi.org/10.3390/jsan14010011","pdf_url":"https://www.mdpi.com/2224-2708/14/1/11/pdf?version=1738135173","source":{"id":"https://openalex.org/S2736633529","display_name":"Journal of Sensor and Actuator Networks","issn_l":"2224-2708","issn":["2224-2708"],"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":"Journal of Sensor and Actuator Networks","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2224-2708/14/1/11/pdf?version=1738135173","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5114731487","display_name":"Nikolaos Pavlidis","orcid":null},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]},{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Nikolaos Pavlidis","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]},{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041109411","display_name":"Andreas Sendros","orcid":"https://orcid.org/0000-0002-6337-4320"},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]},{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Andreas Sendros","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":"https://orcid.org/0000-0002-6337-4320","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]},{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5099342282","display_name":"Theodoros Tsiolakis","orcid":null},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]},{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Theodoros Tsiolakis","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]},{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043947596","display_name":"Periklis Kostamis","orcid":"https://orcid.org/0000-0003-4216-9608"},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]},{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Periklis Kostamis","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]},{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093070386","display_name":"Christos Karasoulas","orcid":null},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]},{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Christos Karasoulas","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]},{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074875751","display_name":"Helen Briola","orcid":"https://orcid.org/0000-0002-0275-2009"},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]},{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Eleni Briola","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":"https://orcid.org/0000-0002-0275-2009","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]},{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093930988","display_name":"Christos Chrysanthos Nikolaidis","orcid":"https://orcid.org/0009-0006-6625-0696"},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]},{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Christos Chrysanthos Nikolaidis","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]},{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115552772","display_name":"Vasilis Perifanis","orcid":null},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]},{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Vasilis Perifanis","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]},{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020259169","display_name":"George Drosatos","orcid":"https://orcid.org/0000-0002-8130-5775"},"institutions":[{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"George Drosatos","raw_affiliation_strings":["Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":"https://orcid.org/0000-0002-8130-5775","affiliations":[{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078175687","display_name":"Eleftheria Katsiri","orcid":"https://orcid.org/0000-0002-6215-2574"},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]},{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Eleftheria Katsiri","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":"https://orcid.org/0000-0002-6215-2574","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]},{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Despoina Elisavet Filippidou","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Despoina Elisavet Filippidou","raw_affiliation_strings":["OPSIS Research, Strada Corbita 30, Parter, Sector 5, 51083 Bucharest, Romania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"OPSIS Research, Strada Corbita 30, Parter, Sector 5, 51083 Bucharest, Romania","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114731485","display_name":"Anastasios Manos","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Anastasios Manos","raw_affiliation_strings":["OPSIS Research, Strada Corbita 30, Parter, Sector 5, 51083 Bucharest, Romania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"OPSIS Research, Strada Corbita 30, Parter, Sector 5, 51083 Bucharest, Romania","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047660023","display_name":"Pavlos S. Efraimidis","orcid":"https://orcid.org/0000-0003-3749-0165"},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]},{"id":"https://openalex.org/I4210098364","display_name":"Institute for Language and Speech Processing","ror":"https://ror.org/00z24kr14","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210098364"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Pavlos S. Efraimidis","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece"],"raw_orcid":"https://orcid.org/0000-0003-3749-0165","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Kimmeria, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]},{"raw_affiliation_string":"Institute for Language and Speech Processing, Athena Research Center, 67100 Xanthi, Greece","institution_ids":["https://openalex.org/I4210098364"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":13,"corresponding_author_ids":["https://openalex.org/A5114731487"],"corresponding_institution_ids":["https://openalex.org/I147962203","https://openalex.org/I4210098364"],"apc_list":{"value":1600,"currency":"CHF","value_usd":1732},"apc_paid":{"value":1600,"currency":"CHF","value_usd":1732},"fwci":14.8926,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.98287497,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"14","issue":"1","first_page":"11","last_page":"11"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11045","display_name":"Privacy, Security, and Data Protection","score":0.9911999702453613,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11045","display_name":"Privacy, Security, and Data Protection","score":0.9911999702453613,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9065999984741211,"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":0.8374754190444946},{"id":"https://openalex.org/keywords/tracking","display_name":"Tracking (education)","score":0.5760643482208252},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.49510183930397034},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.3853701651096344}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8374754190444946},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.5760643482208252},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.49510183930397034},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3853701651096344},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/jsan14010011","is_oa":true,"landing_page_url":"https://doi.org/10.3390/jsan14010011","pdf_url":"https://www.mdpi.com/2224-2708/14/1/11/pdf?version=1738135173","source":{"id":"https://openalex.org/S2736633529","display_name":"Journal of Sensor and Actuator Networks","issn_l":"2224-2708","issn":["2224-2708"],"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":"Journal of Sensor and Actuator Networks","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:00767e5e3a3d48438b00cf67fc2e3077","is_oa":true,"landing_page_url":"https://doaj.org/article/00767e5e3a3d48438b00cf67fc2e3077","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","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Sensor and Actuator Networks, Vol 14, Iss 1, p 11 (2025)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2224-2708/14/1/11/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/jsan14010011","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":"Pages: 11","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/jsan14010011","is_oa":true,"landing_page_url":"https://doi.org/10.3390/jsan14010011","pdf_url":"https://www.mdpi.com/2224-2708/14/1/11/pdf?version=1738135173","source":{"id":"https://openalex.org/S2736633529","display_name":"Journal of Sensor and Actuator Networks","issn_l":"2224-2708","issn":["2224-2708"],"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":"Journal of Sensor and Actuator Networks","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4406933174.pdf","grobid_xml":"https://content.openalex.org/works/W4406933174.grobid-xml"},"referenced_works_count":46,"referenced_works":["https://openalex.org/W2104933073","https://openalex.org/W2148143831","https://openalex.org/W2519249189","https://openalex.org/W2541884796","https://openalex.org/W2768174108","https://openalex.org/W2801130706","https://openalex.org/W2885564324","https://openalex.org/W2911978475","https://openalex.org/W2914440549","https://openalex.org/W2926287779","https://openalex.org/W2942276079","https://openalex.org/W3007278534","https://openalex.org/W3043303805","https://openalex.org/W3081819535","https://openalex.org/W3156226702","https://openalex.org/W3178386862","https://openalex.org/W3208077345","https://openalex.org/W4200072160","https://openalex.org/W4205423013","https://openalex.org/W4213044365","https://openalex.org/W4213390626","https://openalex.org/W4293428560","https://openalex.org/W4308650960","https://openalex.org/W4312221336","https://openalex.org/W4313166777","https://openalex.org/W4313855718","https://openalex.org/W4320490213","https://openalex.org/W4322487000","https://openalex.org/W4323654695","https://openalex.org/W4383754164","https://openalex.org/W4385569630","https://openalex.org/W4386053125","https://openalex.org/W4386502541","https://openalex.org/W4387198661","https://openalex.org/W4387348166","https://openalex.org/W4388483328","https://openalex.org/W4389045795","https://openalex.org/W4392101742","https://openalex.org/W4396831895","https://openalex.org/W4396833238","https://openalex.org/W4396833518","https://openalex.org/W4404737665","https://openalex.org/W6639392846","https://openalex.org/W6803951002","https://openalex.org/W6838718167","https://openalex.org/W6966279566"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"In":[0,102],"an":[1],"era":[2],"of":[3,41,123],"increasing":[4],"reliance":[5],"on":[6,78],"digital":[7,140],"health":[8,66,132,141],"solutions,":[9],"safeguarding":[10],"user":[11,34,59,100],"privacy":[12,30],"has":[13],"emerged":[14],"as":[15],"a":[16,43,109,127,135],"paramount":[17],"concern.":[18],"Health":[19],"applications":[20],"often":[21],"need":[22],"to":[23,32,57],"balance":[24],"advanced":[25],"AI":[26],"functionalities":[27],"with":[28,81],"sufficient":[29],"measures":[31],"ensure":[33],"engagement.":[35],"This":[36,117],"paper":[37],"presents":[38],"the":[39,121],"architecture":[40],"FLORA,":[42],"privacy-first":[44],"ovulation-tracking":[45],"application":[46],"that":[47,74],"leverages":[48],"federated":[49],"learning":[50],"(FL),":[51],"privacy-enhancing":[52],"technologies":[53,125],"(PETs),":[54],"and":[55,64,94,130],"blockchain":[56],"protect":[58],"data":[60,115],"while":[61],"delivering":[62],"accurate":[63],"personalized":[65],"insights.":[67],"Unlike":[68],"conventional":[69],"centralized":[70],"systems,":[71],"FLORA":[72],"ensures":[73],"sensitive":[75],"information":[76],"remains":[77],"users\u2019":[79],"devices,":[80],"predictive":[82],"algorithms":[83],"powered":[84],"by":[85],"local":[86],"computations.":[87],"Blockchain":[88],"technology":[89],"provides":[90],"immutable":[91],"consent":[92],"tracking":[93],"model":[95],"update":[96],"transparency,":[97],"further":[98],"improving":[99],"trust.":[101],"addition,":[103],"FLORA\u2019s":[104],"design":[105],"incentivizes":[106],"participation":[107],"through":[108],"token-based":[110],"reward":[111],"system,":[112],"fostering":[113],"collaborative":[114],"contributions.":[116],"work":[118],"illustrates":[119],"how":[120],"integration":[122],"cutting-edge":[124],"creates":[126],"secure,":[128],"scalable,":[129],"user-centric":[131],"application,":[133],"setting":[134],"new":[136],"standard":[137],"for":[138],"privacy-preserving":[139],"platforms.":[142]},"counts_by_year":[{"year":2025,"cited_by_count":4}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}