Genre Separation Network with Adversarial Training for Cross-genre Relation Extraction (D18-1)
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| Challenge: | Existing methods to extract genre-specific and genre-agnostic features require great human effort. |
| Approach: | They propose to use two encoders to explicitly extract genre-specific and genre-agnostic features. |
| Outcome: | The proposed approach outperforms the state-of-the-art by 1.7% on three distinct genres. |
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Adversarial Feature Adaptation for Cross-lingual Relation Classification (C18-1)
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| Challenge: | Existing methods for relation classification exploit monolingual data due to lack of annotated data in other languages. |
| Approach: | They propose an adversarial feature adaptation approach for cross-lingual relation classification using a generative adversarial network. |
| Outcome: | The proposed approach yields an improvement of 5.7% over the state-of-the-art. |
GenRES: Rethinking Evaluation for Generative Relation Extraction in the Era of Large Language Models (2024.naacl-long)
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| Challenge: | Existing relation extraction methods rely on exact matching with human-annotated reference relations, while GRE methods produce diverse and semantically accurate relations. |
| Approach: | They propose a multi-dimensional assessment of relation extraction methods using human-annotated reference relations. |
| Outcome: | The proposed method is consistent with human preferences for RE quality. |
READ: Improving Relation Extraction from an ADversarial Perspective (2024.findings-naacl)
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| Challenge: | Recent work in relation extraction (RE) has high generalization capability, but adversarial training methods rely on entities. |
| Approach: | They propose an adversarial training method specifically designed for relation extraction that introduces sequence- and token-level perturbations to the sample and uses a separate perturbation vocabulary to improve the search for entity and context perturbations. |
| Outcome: | The proposed method significantly improves accuracy and robustness in low-resource scenarios. |
Genre as Weak Supervision for Cross-lingual Dependency Parsing (2021.emnlp-main)
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| Challenge: | Recent work shows that monolingual masked language models learn to represent data-driven notions of language variation. |
| Approach: | They harness genre metadata as a weak supervision signal for targeted data selection in zero-shot dependency parsing. |
| Outcome: | The proposed method outperforms baseline and embedding-based methods for 12 low-resource language treebanks and three of these target languages. |
A Frustratingly Easy Approach for Entity and Relation Extraction (2021.naacl-main)
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| Challenge: | Existing work on end-to-end relation extraction models combine two tasks: named entity recognition and relation extraction. |
| Approach: | They propose a pipelined approach for entity and relation extraction that uses two independent encoders to construct the relation model. |
| Outcome: | The proposed approach achieves an 8.16 speedup with a slight reduction in accuracy on standard benchmarks. |
Syntax-aware Multi-task Graph Convolutional Networks for Biomedical Relation Extraction (D19-62)
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| Challenge: | 80% of the data sets for relation extraction tasks are negative instances, resulting in a lack of syntactic information between two entity mentions. |
| Approach: | They propose a graph convolutional networks model that incorporates dependency parsing and contextualized embedding to capture comprehensive contextual information. |
| Outcome: | The proposed model achieves state-of-the-art F-score on the 2013 drug-drug interaction extraction task. |
Entity or Relation Embeddings? An Analysis of Encoding Strategies for Relation Extraction (2024.findings-emnlp)
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| Challenge: | Existing approaches to relation extraction use concatenating embeddings of head and tail entities . however, such representations capture the types of the entities involved, leading to false positives and confusion between relations involving entities of the same type. |
| Approach: | They propose a model which combines [MASK] embeddings with entity embedds to learn relation embeddations. |
| Outcome: | The proposed model outperforms the state-of-the-art on several benchmarks . it uses a self-supervised pre-training strategy which further improves the results. |
Adversarial Multi-lingual Neural Relation Extraction (C18-1)
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| Challenge: | Existing models cannot capture consistency and diversity of relation patterns in different languages. |
| Approach: | They propose an adversarial multi-lingual neural relation extraction model which considers consistency and diversity among languages. |
| Outcome: | The proposed model outperforms the state-of-the-art models on real-world datasets. |
CrossRE: A Cross-Domain Dataset for Relation Extraction (2022.findings-emnlp)
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| Challenge: | Relation Extraction (RE) evaluation is limited to in-domain setups . despite the drought of research on cross-domain RE, its practical importance remains . |
| Approach: | They propose a cross-domain benchmark for relation extraction which includes multi-label annotations and meta-data to include explanations and flags of difficult instances. |
| Outcome: | The proposed model includes explanations and flags of difficult instances. |
Leveraging Dependency Forest for Neural Medical Relation Extraction (D19-1)
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| Challenge: | Existing methods for medical relation extraction use dependency syntax as a source of features. |
| Approach: | They propose a method to extract relational information from medical literature by using dependency forests. |
| Outcome: | The proposed method outperforms the standard tree-based methods in the medical domain. |