Pre-training Expanded-SPLADE models on general corpora with higher learning rates improves fine-tuned retrieval effectiveness under both normal and strict pruning, but increases retrieval cost and variance in postings list lengths.
Whether it is big or small, such a trade-off can exist as a similarity component in the loss changes
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The Pre-Training Study of Expanded-SPLADE Models on Web Document Titles
Pre-training Expanded-SPLADE models on general corpora with higher learning rates improves fine-tuned retrieval effectiveness under both normal and strict pruning, but increases retrieval cost and variance in postings list lengths.