PREFIX ufpc2016:    <http://w3id.org/probs-lab/data/prodcom/2016/>
PREFIX ufpc2017:    <http://w3id.org/probs-lab/data/prodcom/2017/>
[ufu:CurrentImport, :useObjectPrefix1, ufpc2016:] .
[ufu:CurrentImport, :useObjectPrefix2, ufpc2017:] .
