That is very helpful thank you. I added some more to the query to find the actual target computers as well as the target filters:
SELECT nri.name [Monitor Policy], vc.name [Resource Target]
FROM vNonResourceItem nri
JOIN vResourceTargetUses rtu
ON rtu.ItemGuid = nri.Guid
JOIN vNonResourceItem ri
ON ri.Guid = rtu.ResourceTargetGuid
JOIN targetfilter tf
ON tf.resourcetargetguid = rtu.resourcetargetguid
JOIN targetfilterresource tfr
ON tfr.targetfilterguid = tf.guid
JOIN vComputer vc
ON tfr.resourceguid = vc.guid
WHERE nri.ClassGuid = '0821A65B-5338-464C-824D-9F7CEC48EA56' --Monitor Policies
UNION ALL
SELECT nri.Name [Monitor Policy], ri.Name [Resource Target]
FROM vNonResourceItem nri
JOIN vResourceTargetUses rtu
ON rtu.ItemGuid = nri.Guid
JOIN vNonResourceItem ri
ON ri.Guid = rtu.ResourceTargetGuid
WHERE nri.ClassGuid = '0821A65B-5338-464C-824D-9F7CEC48EA56' --Monitor Policies
ORDER BY [Monitor Policy], [Resource Target]