Issue schemaorg#1670: Added subjectOf property as an inverse of about.

data/ext/pending/issue-1670-examples.txt

@@ -0,0 +1,27 @@
+TYPES: CreativeWork, Thing
+
+PRE-MARKUP:
+
+See JSON example.
+
+MICRODATA:
+
+See JSON example.
+
+RDFA:
+
+See JSON example.
+
+JSON:
+<script type="application/ld+json">
+{
+  "@context": "http://schema.org/",
+  "@type": "Thing",
+  "name": "Schema.org Ontology",
+  "subjectOf": {
+    "@type": "Book",
+    "name": "The Complete History of Schema.org"
+    }
+  }
+}
+</script>

data/ext/pending/issue-1670.rdfa

@@ -0,0 +1,31 @@
+<div>
+  <!-- issue 1670 -->
+      <div typeof="rdf:Property" resource="http://schema.org/about">
+      <span class="h" property="rdfs:label">about</span>
+      <span property="rdfs:comment">The subject matter of the content.</span>
+      <span>Domain: <a property="http://schema.org/domainIncludes" href="http://schema.org/CreativeWork">CreativeWork</a></span>
+      <span>Domain: <a property="http://schema.org/domainIncludes" href="http://schema.org/CommunicateAction">CommunicateAction</a></span>
+      <span>Domain: <a property="http://schema.org/domainIncludes" href="http://schema.org/Event">Event</a></span>
+      <span>Range: <a property="http://schema.org/rangeIncludes" href="http://schema.org/Thing">Thing</a></span>
+      <link property="http://schema.org/inverseOf" href="http://schema.org/subjectOf"/>
+
+      <link property="http://schema.org/isPartOf" href="http://pending.schema.org" />
+      <span property="schema:category">issue-1670</span>
+      <a property="dc:source" href="https://github.com/schemaorg/schemaorg/issues/1670"></a>
+</div>
+
+  <div typeof="rdf:Property" resource="http://schema.org/subjectOf">
+      <span class="h" property="rdfs:label">subjectOf</span>
+      <span property="rdfs:comment">A CreativeWork or Event about this Thing..</span>
+      <span>Domain: <a property="http://schema.org/domainIncludes" href="http://schema.org/Thing">Thing</a></span>
+      <span>Range: <a property="http://schema.org/rangeIncludes" href="http://schema.org/CreativeWork">CreativeWork</a></span>
+      <span>Range: <a property="http://schema.org/rangeIncludes" href="http://schema.org/Event">Event</a></span>
+      <link property="http://schema.org/inverseOf" href="http://schema.org/about"/>
+
+      <link property="http://schema.org/isPartOf" href="http://pending.schema.org" />
+      <span property="schema:category">issue-1670</span>
+      <a property="dc:source" href="https://github.com/schemaorg/schemaorg/issues/1670"></a>
+  </div>
+
+
+</div>