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Conversational Retrieval on LoCoMo (LOCO-CV α)

0.752Hit@1BM25 ⊕ max-sim
0.4140.501750.58950.67725Jun 2, 2026

Evaluation results

MethodLinks
BM25 ⊕ max-simEncoder=e5-large-v2, Pooling=max-sim2026.060.7520.8940.829
BM25 ⊕ mean-poolEncoder=e5-large-v2, Pooling=mean-pool2026.060.6660.8510.766
Dense, max-sim (late)Encoder=e5-large-v2, Pooling=max-sim (late)2026.060.6640.8630.769
BM252026.060.640.8330.746
Dense, mean-pool (early)Encoder=e5-large-v2, Pooling=mean-pool (early)2026.060.4270.7130.573