Dense Retriever for Salient Phrase

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Zhang, Kai, et al. “LED: Lexicon-Enlightened Dense Retriever for Large-Scale Retrieval.” arXiv preprint arXiv:2208.13661 (2022).

Sciavolino, Christopher, et al. “Simple entity-centric questions challenge dense retrievers.” arXiv preprint arXiv:2109.08535 (2021).

Chen, Xilun, et al. “Salient Phrase Aware Dense Retrieval: Can a Dense Retriever Imitate a Sparse One?.” arXiv preprint arXiv:2110.06918 (2021).