_:n2ddcf0134bd74599a67d8b10ee7039faxb2
<http://schema.org/valueRequired>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://www.jean-jaures.org/publications/page/94/?utf8=%E2%9C%93&f=1&themes%5B0%5D=democratie>