Retrieval on NTCIR-15 Keyword (test) benchmark leaderboard · SOTA2 Research

Retrieval on NTCIR-15 Keyword (test)

48.3MAPPIPER

Evaluation Results

Method	Links
PIPER2026.05		48.3	43	56.3	57.8
Dense-BGE2026.05		34.2	36	48	48.7
ColBERTv22026.05		26.3	27	36.9	39.8
SPLADE2026.05		25.3	27	33.9	37.9
BM252026.05		20.4	26	30.1	33
PIPER2026.05		20	15	22	32.7
TAPAS-base2026.05		8.9	16	16.1	17.7