We're down to 45 characters that do not have a brief description.
To find them, run this xpath filter in the text field called 'XPath 2.0' at the top of the oXygen window: //person[not(note[@type='description'])]

We're also down to 42 places without co-ordinates. Run this filter to find them:
//place[location/starts-with(geo,'0')]/@xml:id

On another note, there are 57 places that have 'beyond' as their co-ordinates