A Joint Named-Entity Recognizer for Heterogeneous Tag-sets Using a Tag Hierarchy (P19-1)
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| Challenge: | Named-entity recognition (NER) has seen significant progress with the application of Neural Networks to the task. |
| Approach: | They propose to use a given tag hierarchy to jointly learn a neural network that shares its tagging layer among all tag-sets. |
| Outcome: | The proposed model outperforms models that combine independent models and multitasking approaches in a domain adaptation for named-entity recognition task. |
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