Do Syntax Trees Help Pre-trained Transformers Extract Information? (2021.eacl-main)
Copied to clipboard
| Challenge: | Recent work suggests that incorporating syntax information from dependency trees can improve task-specific transformer models. |
| Approach: | They propose to incorporate dependency tree information into pre-trained transformers for three tasks . they propose a late fusion approach and a joint fusion technique to infuses syntax structure into attention layers. |
| Outcome: | The proposed models obtain state-of-the-art results on SRL and relation extraction tasks. |
Similar Papers
Syntax-BERT: Improving Pre-trained Transformers with Syntax Trees (2021.eacl-main)
Copied to clipboard
| Challenge: | Pre-trained language models like BERT achieve superior performances in various NLP tasks without explicit consideration of syntactic information. |
| Approach: | They propose a plug-and-play framework that incorporates syntax trees into pre-trained Transformers. |
| Outcome: | The proposed framework improves on pre-trained models on natural language understanding datasets and shows that it can be used to train pre-structured neural networks. |
Syntax-Enhanced Pre-trained Model (2021.acl-long)
Copied to clipboard
Zenan Xu, Daya Guo, Duyu Tang, Qinliang Su, Linjun Shou, Ming Gong, Wanjun Zhong, Xiaojun Quan, Daxin Jiang, Nan Duan
| Challenge: | Existing methods that use syntax of text in pre-training and fine-tuning suffer from discrepancy between the two stages. |
| Approach: | They propose a model that utilizes the syntactic structure of text in pre-training and fine-tuning stages. |
| Outcome: | The proposed model achieves state-of-the-art on six public benchmark datasets. |
Pretrained Knowledge Base Embeddings for improved Sentential Relation Extraction (2022.acl-srw)
Copied to clipboard
| Challenge: | Existing models that perform explicit on-task training of graph embeddings are inadequate. |
| Approach: | They propose to combine pretrained knowledge base graph embeddings with transformer based language models to improve performance on sentential Relation Extraction task. |
| Outcome: | The proposed model outperforms state-of-the-art models on the sentential Relation Extraction task. |
Roles and Utilization of Attention Heads in Transformer-based Neural Language Models (2020.acl-main)
Copied to clipboard
| Challenge: | Sentence encoders based on transformer architectures have shown promising results on various natural language understanding tasks. |
| Approach: | They propose a sentence representation method that takes advantage of most influential attention heads. |
| Outcome: | The proposed method improves performance on the downstream tasks. |
Dependency Transformer Grammars: Integrating Dependency Structures into Transformer Language Models (2024.acl-long)
Copied to clipboard
| Challenge: | Syntactic Transformer language models aim to achieve better generalization through simultaneously modeling syntax trees and sentences. |
| Approach: | They propose a class of Transformer language models with explicit dependency-based inductive bias. |
| Outcome: | Experiments show that the proposed models outperform constituency-based models on sentences annotated with dependency trees and achieve better generalization. |
GiLT: Augmenting Transformer Language Models with Dependency Graphs (2026.acl-long)
Copied to clipboard
| Challenge: | Recent work focuses on syntactic tree structures of languages, in particular constituency tree structures. |
| Approach: | They propose a Graph-Infused Layers Transformer Language Model which leverages dependency graphs to augment Transformer language models. |
| Outcome: | The proposed model achieves better syntactic generalization while maintaining competitive perplexity compared with baseline models. |
Tree Transformer: Integrating Tree Structures into Self-Attention (D19-1)
Copied to clipboard
| Challenge: | Existing work on hierarchical structure in neural networks has not captured human intuitions about hierarchic structures. |
| Approach: | They propose to add an extra constraint to attention heads of the bidirectional Transformer encoder to encourage attention heads to follow tree structures. |
| Outcome: | The proposed model improves language modeling and learning more explainable attention scores. |
Improving Semantic Matching through Dependency-Enhanced Pre-trained Model with Adaptive Fusion (2022.findings-emnlp)
Copied to clipboard
| Challenge: | Existing work on dependency prior structure integration into pre-trained models is still unclear. |
| Approach: | They propose a dependency-based fusion attention paradigm which explicitly introduces dependency prior structure into pre-trained models and adaptively fuses it with semantic information. |
| Outcome: | The proposed model achieves state-of-the-art or competitive performance on 10 public datasets, demonstrating the benefits of adaptively fusing dependency structure in semantic matching task. |
Graph Convolutions over Constituent Trees for Syntax-Aware Semantic Role Labeling (2020.emnlp-main)
Copied to clipboard
| Challenge: | Semantic role labeling (SRL) is the task of identifying predicates and labeling argument spans with semantic roles. |
| Approach: | They propose to use graph convolutional networks to encode constituents and inform an SRL system by combining word representations of the first and last words in a constituent tree. |
| Outcome: | The proposed model is compared with other models and shows that it is more efficient than dependency trees. |
Exploiting the Syntax-Model Consistency for Neural Relation Extraction (2020.acl-main)
Copied to clipboard
| Challenge: | Existing deep learning models for Relation Extraction (RE) have limited generalization beyond the syntactic structures of the input sentences. |
| Approach: | They propose a deep learning model that uses dependency trees to extract syntactic importance of words for Relation Extraction. |
| Outcome: | The proposed model outperforms existing models on three RE benchmark datasets. |