LLM-based metrics (LLM-Coverage and ALIGN SCORE) are more reliable than ROUGE and BERTScore for political perspective summaries, and reranking plus DPO training improves both coverage and faithfulness.
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Reranking-based Generation for Unbiased Perspective Summarization
LLM-based metrics (LLM-Coverage and ALIGN SCORE) are more reliable than ROUGE and BERTScore for political perspective summaries, and reranking plus DPO training improves both coverage and faithfulness.