Unverified50% confidenceFactExact time
The first metric is Effective Rank, which measures in a continuous manner how many directions the Jacobian matrix truly acts upon.
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50%
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Long-term
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9/11/2026
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Related Claims
VerifiedThe Reciprocal Rank Fusion (RRF) algorithm was proposed by Cormack et al. in 2009, with a core formula of Score = Σ 1/(k + rank_i), where k typically takes the value 60 as a smoothing constant.69% similarUnverifiedThe evaluation scope is divided into four levels: Span level, Multi-Span level, Trajectory level, and Session level.63% similarUnverified一致性比率的衡量方法包括精确一致率、相邻一致率（允许±1分偏差）、Cohen's Kappa 系数，连续分数还可使用 Pearson 相关系数或 Spearman 等级相关63% similar
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