@Override
public ResourceMetadata getResourceMetadata() {
return new ResourceMetadata(Session.class)
.incoming(new Relation("presented_by"))
.outgoing(new NamedRelation("attachments", "attached_to"))
.outgoing(new NamedRelation("speakers", "presented_by"))
.outgoing(new NamedRelation("attendees", "attended_by"))
.outgoing(new NamedRelation("locations", "located_in"));
}