Multi-News

This is a copy of the Multi-News dataset, except the input source documents of the train, validation, and test splits have been replaced by a dense retriever. The retrieval pipeline used: query: The summary field of each example corpus: The union of all documents in the train, validation and test splits retriever: facebook/contriever-msmarco via PyTerrier with default settings top-k strategy: "oracle", i.e. the number of documents retrieved, k, is set as the original number of input documents… See the full description on the dataset page: huggingface.co/datasets/allenai/multinews_dense_oracle.