Challenge: Named entity recognition (NER) is a fundamental NLP task.
Approach: They propose a gazetteer-based attentive neural network which can enhance region-based NER . they first model the mention-context association and then an auxiliary gazetteers .
Outcome: The proposed approach can achieve state-of-the-art on ACE2005 named entity recognition benchmark.

Similar Papers

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.
The Utility and Interplay of Gazetteers and Entity Segmentation for Named Entity Recognition in English (2021.findings-acl)

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Challenge: Recent papers introduce methods to incorporate gazetteer features and entity segmentation techniques in neural named entity recognition models.
Approach: They propose to integrate gazetteer features and entity segmentation techniques into neural named entity recognition models.
Outcome: The proposed methods improve entity segmentation and not just entity typing.
Improving Named Entity Recognition with Attentive Ensemble of Syntactic Information (2020.findings-emnlp)

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Challenge: Existing studies have shown that named entity recognition (NER) is effective in encoding and aggregating syntactic information, but they lack the appropriate knowledge to model such properties.
Approach: They propose to leverage syntactic information by leveraging attentive ensembles to model NER . they propose key-value memory networks, syntax attention and gate mechanism for encoding, weighting and aggregating syntaktic information.
Outcome: The proposed model outperforms previous studies on six English and Chinese benchmark datasets.
A Neural Multi-digraph Model for Chinese NER with Gazetteers (P19-1)

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Challenge: Existing approaches to incorporating gazetteers into NER systems rely on manually defined selection strategies or handcrafted templates, which may not lead to optimal effectiveness.
Approach: They propose to use graph neural networks to automatically learn how to incorporate multiple gazetteers into an NER system by capturing the information that the gazetteer offers.
Outcome: The proposed model outperforms existing methods on Chinese NER datasets while incorporating rich gazetteer information while resolving ambiguities.
Neural Entity Recognition with Gazetteer based Fusion (2021.findings-acl)

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Challenge: Named entity recognition systems can be applied to clinical domains where only limited data is accessible and interpretability is important.
Approach: They propose to use auxiliary gazetteer model to fuse it with NER system . this allows for better robustness and interpretability across different clinical datasets .
Outcome: The proposed model is data efficient and can adapt to new mentions in gazetteers without retraining.
Soft Gazetteers for Low-Resource Named Entity Recognition (2020.acl-main)

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Challenge: Existing named entity recognition models use gazetteers to improve performance, but they are limited in coverage and do not exist in low-resource languages.
Approach: They propose a method that integrates Wikipedia information into named entity models by cross-lingual entity linking.
Outcome: The proposed method improves on four low-resource languages with Wikipedia . it incorporates available information from english knowledge bases into neural models .
GEMNET: Effective Gated Gazetteer Representations for Recognizing Complex Entities in Low-context Input (2021.naacl-main)

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Challenge: Named Entity Recognition (NER) is difficult in real-world settings due to short texts, emerging entities, and complex entities.
Approach: They propose a flexible Gazetteer Representation encoder and a Mixture-of-Experts gating network for gazetteer knowledge integration.
Outcome: The proposed approach shows large gains (up to +49% F1) in recognizing difficult entities compared to baselines.
Hero-Gang Neural Model For Named Entity Recognition (2022.naacl-main)

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Challenge: Named entity recognition (NER) is a fundamental and important task in natural language processing.
Approach: They propose a novel Hero-Gang Neural structure to leverage both global and local information to promote NER by using a Transformer-based encoder and a Gang module.
Outcome: The proposed model can extract local features and position information from the Hero and Gang modules, and it performs on multiple datasets.
Boundary Smoothing for Named Entity Recognition (2022.acl-long)

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Challenge: Named entity recognition models often encounter over-confidence issues . boundary smoothing is a method that re-assigns entity probabilities from annotated spans to the surrounding ones .
Approach: They propose a method for regularizing entity probabilities from annotated spans to the surrounding ones.
Outcome: The proposed method achieves better than or competitive with previous state-of-the-art systems on well-known benchmarks.
Explicitly Capturing Relations between Entity Mentions via Graph Neural Networks for Domain-specific Named Entity Recognition (2021.acl-short)

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Challenge: Named entity recognition (NER) is well studied for the general domain, but the performance is still moderate for specialized domains.
Approach: They propose to explicitly connect entity mentions based on global coreference relations and local dependency relations to build better entity mention representations.
Outcome: The proposed system improves the NER performance even with a tiny amount of labeled data.

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