[KongchangAI]
Conceptinter-annotator agreement / IAA

Inter-Annotator Agreement

A statistical concept measuring the degree to which multiple annotators produce consistent results when independently labeling the same data. Common metrics include Cohen's Kappa and Krippendorff's Alpha, and it serves as a foundation for assessing human annotation quality.

Timeline (last 90 days)

Oct 12

Human annotators themselves are inconsistent, which sets a 'ceiling' for evaluating models; if even agreement among professional linguists can only reach a moderate level, then human-annotated data itself carries noise.

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Sep 11

GPT-4 as a judge can achieve over 80% agreement with human evaluations, but exhibits systematic issues such as position bias, verbosity bias, and self-preference.

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Aug 26

数据标注评估考核中常见的质量指标包括标注者间一致性(IAA)和与黄金标准的偏差

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