In the follow example, the schema:Organization typed child doesn't not have the right .data value on the element. It has the schema:Person instance instead of its own.
<div typeof="Person">
<p property="name">Alex Milowski</p>
<div property="affiliation" resource="http://ischool.berkeley.edu/" typeof="Organization">
<p><span property="department">School of Information</span>, <span property="name">University of California, Berkeley</span></p>
</div>
</div>
In the follow example, the schema:Organization typed child doesn't not have the right .data value on the element. It has the schema:Person instance instead of its own.