Papers by Abhyuday Jagannatha
Active Learning for New Domains in Natural Language Understanding (N19-2)
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| Challenge: | Existing approaches to improve the accuracy of new domains are lacking annotated live utterances. |
| Approach: | They propose an algorithm called Majority-CRF that uses an ensemble of classification models to guide the selection of relevant utterances and a sequence labeling model to prioritize informative examples. |
| Outcome: | The proposed algorithm achieves 6.6%-9% error rate reduction and statistically significant improvements on six new domains. |
Calibrating Structured Output Predictors for Natural Language Processing (2020.acl-main)
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| Challenge: | Several modern machine-learning based NLP systems can provide a confidence score with their output predictions. |
| Approach: | They propose a general calibration scheme for output entities of interest in NLP applications that can be used to calibrate confidence scores. |
| Outcome: | The proposed calibration scheme outperforms current calibration techniques for Named Entity Recognition, Part-of-speech tagging and Question Answering systems. |