Challenge: Existing approaches to named-entity recognition (NER) require additional lead time for developing and fine-tuning the rules.
Approach: They propose to transfer an ANN model trained on a large labeled dataset to another dataset with a limited number of labels to improve upon the state-of-the-art results for patient note de-identification.
Outcome: The proposed model can be transferred to a dataset with a limited number of labels, and improves on the state-of-the-art results on patient note de-identification.

Similar Papers

What Matters for Neural Cross-Lingual Named Entity Recognition: An Empirical Analysis (D19-1)

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Challenge: Named entity recognition models are challenging for languages with little training data.
Approach: They propose a simple and efficient neural architecture for cross-lingual named entity recognition models.
Outcome: The proposed model achieves competitive performance with the state-of-the-art on two transferable factors: sequential order and multilingual embedding.
Transfer Learning for Entity Recognition of Novel Classes (C18-1)

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Challenge: Existing approaches to entity recognition are based on class labels in source and target domains, and many NER corpora only annotate a small number of categories.
Approach: They replicate and extend several past studies on transfer learning for entity recognition.
Outcome: The proposed methods perform better when there is more labeled target data.
Named Entity Recognition without Labelled Data: A Weak Supervision Approach (2020.acl-main)

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Challenge: Named Entity Recognition (NER) performance often degrades when applied to target domains that differ from the texts observed during training.
Approach: They propose a method to learn NER models in the absence of labelled data through weak supervision by using a broad spectrum of labelling functions to automatically annotate texts from the target domain.
Outcome: The proposed approach improves on two English datasets and shows that it improves by 7 percentage points on entity-level F1 scores compared to an out-of-domain neural NER model.
A Little Annotation does a Lot of Good: A Study in Bootstrapping Low-resource Named Entity Recognizers (D19-1)

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Challenge: Named entity recognition models rely on large amounts of labeled data, making them challenging to extend to new, lower-resource languages.
Approach: They propose a method for bootstrapping named entity recognition models in under-resourced languages . they use cross-lingual transfer learning and targeted annotation of only uncertain entities .
Outcome: The proposed method achieves competitive accuracy with just one-tenth of training data.
Towards Improving Neural Named Entity Recognition with Gazetteers (P19-1)

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Challenge: Currently, neural models for named entity recognition are based on data-driven models, with a strong emphasis on getting rid of the efforts for collecting external resources or designing hand-crafted features.
Approach: They propose to use external gazetteers to efficiently access annotated data to generalize beyond the annotation of entities.
Outcome: The proposed model can access external gazetteers while avoiding the effort to design hand-crafted features.
Investigation on Data Adaptation Techniques for Neural Named Entity Recognition (2021.acl-srw)

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Challenge: Existing methods for named entity recognition use only a limited number of samples . data augmentation and selftraining are popular methods to generate additional synthetic data .
Approach: They investigate the impact of data augmentation and data augmented on named entity recognition tasks.
Outcome: The proposed methods improve the performance of three named entity recognition tasks.
Distantly Supervised Named Entity Recognition using Positive-Unlabeled Learning (P19-1)

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Challenge: Empirical studies on four public NER datasets demonstrate the effectiveness of our proposed method.
Approach: They propose a method to perform named entity recognition using unlabeled data and named entity dictionaries.
Outcome: The proposed method can estimate task loss as if there is fully labeled data.
Toward Recognizing More Entity Types in NER: An Efficient Implementation using Only Entity Lexicons (2020.findings-emnlp)

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Challenge: Existing named entity recognition systems require large scale labeled data to perform, while annotation of NER data is laborious and time-consuming.
Approach: They propose to adjust an existing named entity recognition system to recognize entity types not defined in the system.
Outcome: The proposed method can be quickly adjusted to a named entity recognition system.
A Survey on Recent Advances in Named Entity Recognition from Deep Learning models (C18-1)

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Challenge: Named Entity Recognition (NER) is a key component in NLP systems for question answering, information retrieval, relation extraction, etc.
Approach: They propose to use recurrent neural networks to generate NERs over characters, sub-words and/or word embeddings to improve named entity recognition.
Outcome: The proposed architectures are better than those based on feature engineering and other supervised or semi-supervised learning algorithms.
Learning to Progressively Recognize New Named Entities with Sequence to Sequence Models (C18-1)

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Challenge: Existing models for Named Entity Recognition (NER) are trained on data with the same NE label set, but they are not able to recognize previously unseen NE categories.
Approach: They propose to use a sequence to sequence model for Named Entity Recognition (NER) and propose to reshape and re-parametrize the output layer of the first learned model to enable the recognition of new NEs.
Outcome: The proposed model can recognize previously unseen NE categories while keeping the knowledge of previously seen categories.

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