@SuppressWarnings("unchecked")
            final List<String> readings = (List<String>) sourceArray[i].get(ELEVATE_WORD_READING);
            @SuppressWarnings("unchecked")
            final List<String> fields = (List<String>) sourceArray[i].get(ELEVATE_WORD_FIELDS);
            @SuppressWarnings("unchecked")
            final List<String> tags = (List<String>) sourceArray[i].get(ELEVATE_WORD_TAGS);