{"@context":"https://schema.org","@type":"Property","@id":"https://schema.org/free","rdfs:label":"free","rdfs:comment":"A flag to signal that the item, event, or place is accessible for free.","schema:domainIncludes":[{"@id":"https://schema.org/PublicationEvent"}],"schema:rangeIncludes":[{"@id":"https://schema.org/Boolean"}],"schema:supersededBy":[{"@id":"https://schema.org/isAccessibleForFree"}]}