Contextualized chunk-level (query2chunk) retrieval eval for NQ-Hard, the hard subset of
Natural Questions from the DAPR benchmark
(Document-Aware Passage Retrieval, Wang, Reimers & Gurevych, ACL 2024,
arXiv:2305.13915).
NQ-Hard queries are hand-selected because understanding the document context is required
to retrieve the relevant passage — the gold passage often refers to the query's entity only
by coreference, main-topic ellipsis, an… See the full description on the dataset page:
https://huggingface.co/datasets/bowang0911/DAPRNQHardChunkRetrieval.
