It's common to do a hybrid of BM25 with other fuzzy search or pgvector.
BM25 is quite bad and needs to be retrained for each corpus anew. SPLADEv2 is much better and there are even better sparse embeddings these days.
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BM25 is quite bad and needs to be retrained for each corpus anew. SPLADEv2 is much better and there are even better sparse embeddings these days.