public function getResources(\core_kernel_classes_Class $rootClass, array $selectedUris = [], array $propertyFilters = [], $offset = 0, $limit = 30)
    {
        // Searching by label parameter will utilize fulltext search
        if (count($propertyFilters) == 1 && isset($propertyFilters[OntologyRdfs::RDFS_LABEL])) {
            $searchString = current($propertyFilters);
            return $this->searchByString($searchString, $rootClass, $offset, $limit);
        } else {
            return $this->searchByProperties($propertyFilters, $rootClass, $offset, $limit);
        }
    }