NEWSCOPE adds sentence-level clustering and cluster-aware greedy reranking to dense news retrieval, reporting higher viewpoint diversity on two new benchmarks, at a small relevance cost.
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Uncovering the Bigger Picture: Comprehensive Event Understanding Via Diverse News Retrieval
NEWSCOPE adds sentence-level clustering and cluster-aware greedy reranking to dense news retrieval, reporting higher viewpoint diversity on two new benchmarks, at a small relevance cost.