def get_solr_assocs_url(self, use_amigo=False):
        """
        Return solr URL to be used for assocation (enhanced triple) queries

        A solr assocs URL is used to query triple-patterns in Solr, ie subject-relation-object

        There are two possible schemas: Monarch and AmiGO. The AmiGO schema is used for
        querying the GO and Planteome Golr instances
        """
        url = self.endpoint_url(self.solr_assocs)
        if use_amigo:
            url = self.endpoint_url(self.amigo_solr_assocs)
        return url