get ore:aggregates for this resource, optionally retrieving resource payload

		Args:
			retrieve (bool): if True, issue .refresh() on resource thereby confirming existence and retrieving payload

def get_related(self):

		'''
		get ore:aggregates for this resource, optionally retrieving resource payload

		Args:
			retrieve (bool): if True, issue .refresh() on resource thereby confirming existence and retrieving payload
		'''

		if self.exists and hasattr(self.rdf.triples, 'ore') and hasattr(self.rdf.triples.ore, 'aggregates'):
			related = [ self.repo.parse_uri(uri) for uri in self.rdf.triples.ore.aggregates ]

			# return
			return related

		else:
			return []