Are We Modeling the Task or the Annotator? An Investigation of Annotator Bias in Natural Language Understanding Datasets (D19-1)
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| Challenge: | Having only a few workers generate the majority of dataset examples raises concerns about data diversity . |
| Approach: | They perform a series of experiments to investigate annotator biases in recent NLU datasets . they find that models are able to recognize the most productive annotators . |
| Outcome: | The results show that models can recognize the most productive annotators and do not generalize well to examples from annotator that did not contribute to the training set. |
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