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.
(2025) shows that the effect of such distributions results in low retrieval effectiveness when pruned
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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.