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about - schema.org Property

schema.org

about

Thing > Property > about

The subject matter of the content.

Inverse-property: subjectOf.

Values expected to be one of these types Thing Used on these types CommunicateAction
CreativeWork
Event Sub-propertiesmainEntity

Source

[github.com]

Examples

Example 1 Without Markup Microdata RDFa JSON-LD
A JSON example for an Article about a particular event.
N/A
N/A
<script type="application/ld+json">
{
  "@context": "http://schema.org/",
  "@type": "Article",
  "name": "Apple announces iPhone SE",
  "description": "New iPhone announced at 11:30 in California.",
  "about": {
    "@type": "Event",
    "name": "Apple's March 21 Announcements"
  },
  "contentReferenceTime": "2016-03-21T11:30:00-07:00"
}
</script>