KGAP: an RDF knowledge graph of agricultural commodity prices - Soares, Filipi Miranda; Ferreira Pires, Luís; Correa, Fernando Elias; Bonino da Silva Santos, Luiz Olavo; Braghetto, Kelly Rosa; Moreira, Dilvan de Abreu; Drucker, Debora Pignatari; Delbem, Alexandre Cláudio Botazzo; Saraiva, Antonio Mauro (Data in Brief, 2026)