_:n7db2969c87bf436aac1e57645aec86e3xb2
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://git.math.uzh.ch/typo3/qfq/-/blame/ee0c6718e93319ddec430f833adc57ac0484b82e/extension/qfq/qfq/Constants.php>