protected function processPropertyPrefixName($prefix, $name, \DOMElement $element, ContextInterface $context, $last)
    {
        $vocabulary = $this->getVocabulary($prefix, $context);
        if ($vocabulary instanceof VocabularyInterface) {
            try {
                $context = $this->addProperty($element, $context, $name, $vocabulary, $last);
            } catch (RuntimeException $e) {
                // Skip invalid property
            }
        }

        return $context;
    }