inverseOfDefined in the meta.schema.org extension.
Canonical URL: http://schema.org/inverseOf
Relates a property to a property that is its inverse. Inverse properties relate the same pairs of items to each other, but in reversed direction. For example, the 'alumni' and 'alumniOf' properties are inverseOf each other. Some properties don't have explicit inverses; in these situations RDFa and JSON-LD syntax for reverse properties can be used.
Usage: Fewer than 10 domains
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Schema Version 3.1