<http://schema.org/ratingValue>
"5"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://www.holidaycheck.de/hrd/villa-ocean-view-resort-schoener-urlaub-in-atemberaubendem-land/a9700317-48de-3d20-8d72-e9565f7535bf>