A Polystore Architecture Using Knowledge Graphs to Support Queries on Heterogeneous Data Stores. - Leonardo Guerreiro Azevedo; Renan Francisco Santos Souza; Elton Figueiredo de Souza Soares; Raphael Melo Thiago; Júlio Cesar Cardoso Tesolin; Ann C. Oliveira; Márcio Ferreira Moreno (CoRR, 2023)