Unsupervised training data re-weighting for natural language understanding with local distribution approximation (2022.emnlp-industry)
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| Challenge: | a distribution mismatch between offline training and live data can cause biases . cyclic seasonality shifts, and changing pool of users can contribute to this problem . |
| Approach: | They propose an unsupervised approach to mitigate offline training data sampling bias . they propose a local distribution approximation in the pre-trained embedding space . |
| Outcome: | The proposed approach mitigates the offline training data sampling bias in multiple NLU tasks without additional annotation. |
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