<https://acara.pa.gov.br/wp-content/uploads/2018/06/PARECER-CI-Assinado-2.pdf>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://acara.pa.gov.br/pregao-presencial-no-1705022018/parecer-ci-assinado-10/>