ContextQueryRequestType params = query
.addNewContextQueryRequest();
QueryObjectType target = params.addNewQueryTarget();
target.setAggrType(CatalogAggregationType.COLLECTION);
ContextQueryType context = params.addNewContextQuery();
QueryComponentType parentCollection = context
.addNewQueryComponent();
parentCollection.setAggrType(CatalogAggregationType.COLLECTION);
parentCollection.setRelation(ContextType.DIRECT_PARENT);
QueryPropertyType titleProperty = parentCollection