Employing domain indexes to efficiently query medical data from multiple repositories - Oliveira, Paulo Henrique de; Scabora, Lucas de Carvalho; Cazzolato, Mirela Teixeira; Oliveira, Willian Dener de; Paixão, Rafael Soares; Traina, Agma Juci Machado; Traina Junior, Caetano (IEEE Journal of Biomedical and Health Informatics, 2019)