_:n106aead5d04b46fa9c8a9e553ecffdfaxb2
<http://schema.org/valueRequired>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://gruene-xhain.de/ds-1084-v-schulbau-was-ist-mit-der-schulraumqualitaet/>