Sparse Probability of Agreement
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Abstract (arXiv)
Measuring inter-annotator agreement is important for annotation tasks, but many metrics require a fully-annotated set of data, where all annotators annotate all samples. We define Sparse Probability of Agreement, SPA, which estimates the probability of agreement when not all annotator-item-pairs are available. We show that under certain conditions, SPA is an unbiased estimator, and we provide multiple weighing schemes for handling data with various degrees of annotation.
Key facts. No citing papers in the map yet (data through 7 Oct 2026). Builds on 2 of its 11 references that are in the map. First posted on arXiv 12 Aug 2022.
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