Metric for text summarization

Recently, I was reading some literature about text summarization and came across its evaluation metric, the "ROUGE" score. From what I understood from preliminary reading, the ROUGE score only measures n-gram overlap between candidate summary and reference summary which wrongly penalizes abstractive summaries containing different n-grams but conveying the same meaning. There's also a BERTScore metric (arXiv'19, ICLR'20) that does not suffer from these issues of ROUGE and computes contextual similarity rather than just n-gram overlap. How can I assess …

languagetechnology text text summarization