Papers with pre-training methods
Recent Advances in Pre-trained Language Models: Why Do They Work and How Do They Work (2022.aacl-tutorials)
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| Challenge: | Pre-trained language models are language models that are pre-taught on large-scaled corpora in a self-supervised fashion. |
| Approach: | This tutorial provides a broad and comprehensive introduction to pre-trained language models . it focuses on emerging methods that enable PLMs to perform diverse downstream tasks . |
| Outcome: | This tutorial focuses on the benefits of pre-trained language models and how to use them in NLP tasks. |
CULG: Commercial Universal Language Generation (2022.naacl-industry)
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| Challenge: | Pre-trained language models have improved performance for many NLP tasks in finance and healthcare. |
| Approach: | They propose a large-scale commercial universal language generation model which is pre-trained on a corpus drawn from 10 markets across 7 languages. |
| Outcome: | The proposed model outperforms other models on commercial generation tasks and on other markets, languages, and tasks. |
Scene-Text Aware Image and Text Retrieval with Dual-Encoder (2022.acl-srw)
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| Challenge: | Existing studies on image and text retrieval using a dual-encoder model have not shown their effectiveness for fast inferences. |
| Approach: | They propose a dual-encoder model that connects vision and language in the same semantic space and integrates scene-text and visual information into a model. |
| Outcome: | The proposed model can interpret scene-text and surrounding visual information better than cross-encoder models. |
E2E-VLP: End-to-End Vision-Language Pre-training Enhanced by Visual Learning (2021.acl-long)
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| Challenge: | Existing vision-language pre-training methods use a two-step training procedure to learn visual features from image-text pairs. |
| Approach: | They propose a vision-language pre-trained model for V+L understanding and generation using a unified Transformer framework. |
| Outcome: | The proposed model can learn visual representation and semantic alignments between image and text on visual-text pairs and on visual processing tasks. |
STAR: SQL Guided Pre-Training for Context-dependent Text-to-SQL Parsing (2022.findings-emnlp)
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Zefeng Cai, Xiangyu Li, Binyuan Hui, Min Yang, Bowen Li, Binhua Li, Zheng Cao, Weijie Li, Fei Huang, Luo Si, Yongbin Li
| Challenge: | Extensive experiments show that STAR outperforms previous pre-training methods and ranks first on the leaderboard . text-to-SQL parsing aims to translate natural language (NL) questions into executable SQL queries . |
| Approach: | They propose a SQL guided pre-training framework STAR for context-dependent text-to-SQL parsing . they propose two objectives that explore context-dependence of NL utterances and SQL queries . |
| Outcome: | The proposed framework outperforms existing methods on two downstream benchmarks and ranks first on the leaderboard. |
Domain Knowledge Transferring for Pre-trained Language Model via Calibrated Activation Boundary Distillation (2022.acl-long)
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| Challenge: | Pretrained language models are used to boost their performance on downstream tasks . pretraining with in-domain texts requires considerable in- domain data and training resources . |
| Approach: | They propose a domain knowledge transferring framework for pre-trained language models without additional in-domain pretraining. |
| Outcome: | The proposed framework extracts domain knowledge from an existing in-domain pretrained language model and transfers it to other PLMs by applying knowledge distillation. |
SLM: Learning a Discourse Language Representation with Sentence Unshuffling (2020.emnlp-main)
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| Challenge: | Recent models for learning discourse language representations focus on bottom or top-level representations, but they do not capture intermediate-size structures in natural languages such as sentences and the relationships among them. |
| Approach: | They propose a new objective for learning a discourse language representation in a self-supervised manner by shuffling the sequence of input sentences and training a hierarchical transformer model to reconstruct the original ordering. |
| Outcome: | The proposed model improves the original BERT model on downstream tasks by large margins. |
Integrating Structural Semantic Knowledge for Enhanced Information Extraction Pre-training (2024.emnlp-main)
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| Challenge: | Existing pre-training methods focus on exploiting textual knowledge, which limits scalability and versatility of resulting models. |
| Approach: | They propose a pre-training framework that integrates structural semantic knowledge via contrastive learning. |
| Outcome: | The proposed framework outperforms state-of-the-art pre-training methods across multiple tasks. |
SPLAT: Speech-Language Joint Pre-Training for Spoken Language Understanding (2021.naacl-main)
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| Challenge: | Experimental results show that SPLAT improves the previous state-of-the-art performance on the Spoken SQuAD dataset by more than 10%. |
| Approach: | They propose a semi-supervised learning framework to jointly pre-train the speech and language modules using unpaired speech and text. |
| Outcome: | The proposed framework improves the previous state-of-the-art performance on the Spoken SQuAD dataset by more than 10%. |
GPL: Generative Pseudo Labeling for Unsupervised Domain Adaptation of Dense Retrieval (2022.naacl-main)
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| Challenge: | Dense retrieval approaches suffer from the lexical gap and require large amounts of training data. |
| Approach: | They propose an unsupervised method for domain adaptation that uses query generator and pseudo labeling from a cross-encoder to improve retrieval performance. |
| Outcome: | The proposed method outperforms state-of-the-art retrieval methods on domain-specialized datasets by 9.3 points nDCG@10 on six tasks. |
CSP:Code-Switching Pre-training for Neural Machine Translation (2020.emnlp-main)
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| Challenge: | Existing methods to train neural machine translation models are data-hungry and low-resource . et al., 2018; Radford e.t., 2019; Yang ee.,2019) proposes a new pre-training method for NMT . |
| Approach: | They propose a new pre-training method which randomly replaces some words in the input sentence with their translation words in target language. |
| Outcome: | The proposed method improves on unsupervised and supervised NMT models by making full use of monolingual corpora. |
Cross-domain Named Entity Recognition via Graph Matching (2022.findings-acl)
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| Challenge: | Empirical results show that our method outperforms a series of transfer learning, multitask learning, and few-shot learning methods due to the data scarcity in the real-world scenario. |
| Approach: | They propose to model the label relationship as a probability distribution and construct label graphs in both source and target label spaces. |
| Outcome: | Empirical results show that the proposed method outperforms transfer learning, multi-task learning, and few-shot learning methods on four datasets. |
Training ELECTRA Augmented with Multi-word Selection (2021.findings-acl)
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| Challenge: | Existing pre-training methods for NLP tasks require massive computation resources. |
| Approach: | They propose a method that trains a discriminator to detect replaced tokens and select original tokens from candidate sets. |
| Outcome: | The proposed method improves ELECTRA based on multi-task learning on GLUE and SQUAD datasets. |
Benchmarking Language Models for Code Syntax Understanding (2022.findings-emnlp)
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| Challenge: | Pre-trained language models capture the syntactic rules of natural languages without fine-tuning on syntax understanding tasks. |
| Approach: | They propose a benchmarking test to compare pre-trained language models with a large-scale dataset of programs annotated with syntactic relationships in their corresponding abstract syntax trees. |
| Outcome: | The proposed model fails to match baselines based on positional offsets and keywords. |
Momentum Contrastive Pre-training for Question Answering (2022.emnlp-main)
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| Challenge: | Existing methods for extractive Question Answering generate cloze-like queries different from natural questions in syntax structure, which could overfit pre-trained models to simple keyword matching. |
| Approach: | They propose a method to align the answer probability between cloze-like and natural query-passage sample pairs. |
| Outcome: | The proposed method improves on three benchmarking QA datasets on supervised and zero-shot scenarios. |
Korean Language Modeling via Syntactic Guide (2022.lrec-1)
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| Challenge: | Existing research on pre-trained language models focuses on widely-used languages . however, not every language can benefit from such models due to computational resources . |
| Approach: | They propose to build a pre-trained language model that understands the linguistic phenomena in the target language with low resources. |
| Outcome: | The proposed model improves the performance of Korean language understanding tasks. |
CLEVE: Contrastive Pre-training for Event Extraction (2021.acl-long)
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| Challenge: | Existing EE methods do not model event characteristics from large unsupervised data. |
| Approach: | They propose a contrastive pre-training framework for event extraction to better learn event knowledge from large unsupervised data and their semantic structures. |
| Outcome: | The proposed framework improves on ACE 2005 and MAVEN datasets on event extraction tasks. |
Hyperlink-induced Pre-training for Passage Retrieval in Open-domain Question Answering (2022.acl-long)
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Jiawei Zhou, Xiaoguang Li, Lifeng Shang, Lan Luo, Ke Zhan, Enrui Hu, Xinyu Zhang, Hao Jiang, Zhao Cao, Fan Yu, Xin Jiang, Qun Liu, Lei Chen
| Challenge: | Existing methods to train dense passage retrieval have a large data gap between upstream and downstream relevance. |
| Approach: | They propose a method to pre-train the dense retriever with the text relevance induced by hyperlinks within Web documents. |
| Outcome: | The proposed method outperforms existing methods under different scenarios and in the open-domain question answering domain. |
ReasonBERT: Pre-trained to Reason with Distant Supervision (2021.emnlp-main)
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| Challenge: | Existing pre-training methods only harvest learning signals from local contexts of naturally occurring texts . ReasonBert provides a method for reasoning over long-range relations and multiple, possibly hybrid contexts. |
| Approach: | They propose a method that augments language models with the ability to reason over long-range relations and multiple, possibly hybrid contexts. |
| Outcome: | The proposed method significantly improves sample efficiency over strong baselines. |
GanLM: Encoder-Decoder Pre-training with an Auxiliary Discriminator (2023.acl-long)
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Jian Yang, Shuming Ma, Li Dong, Shaohan Huang, Haoyang Huang, Yuwei Yin, Dongdong Zhang, Liqun Yang, Furu Wei, Zhoujun Li
| Challenge: | Existing pre-training methods underutilize the benefits of language understanding for generation. |
| Approach: | They propose a GAN-style model for encoder-decoder pre-training with an auxiliary discriminator. |
| Outcome: | The proposed model outperforms existing pre-trained models and achieves state-of-the-art performance. |
ReasTAP: Injecting Table Reasoning Skills During Pre-training via Synthetic Reasoning Examples (2022.emnlp-main)
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| Challenge: | Existing models with table-specific architectures and pre-training methods perform well on understanding table structures but lack table reasoning skills. |
| Approach: | They propose to pre-train tables with table reasoning skills without complex architectures . they define 7 table reasoning skill, and then pre-teach them to generate tables . |
| Outcome: | The proposed model improves on four tasks and is available on github. |
MELT: Materials-aware Continued Pre-training for Language Model Adaptation to Materials Science (2024.findings-emnlp)
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| Challenge: | Existing methods focused on constructing domain-specific corpus focus on a limited and scarce nature of datasets in materials science poses significant challenges for developing models that generalize well across a broad range of materials entities. |
| Approach: | They propose a method to adapt pre-trained language models for materials science by continuously pre-training them on a materials science corpus. |
| Outcome: | The proposed method is able to adapt pre-trained language models for materials science tasks. |
BLESS: Benchmarking Large Language Models on Sentence Simplification (2023.emnlp-main)
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Tannon Kew, Alison Chi, Laura Vásquez-Rodríguez, Sweta Agrawal, Dennis Aumiller, Fernando Alva-Manchego, Matthew Shardlow
| Challenge: | BLESS is a performance benchmark of the most recent state-of-the-art Large Language Models (LLMs) on the task of text simplification (TS). |
| Approach: | They present a performance benchmark of the most recent state-of-the-art Large Language Models (LLMs) on the task of text simplification (TS). |
| Outcome: | The proposed benchmarks show that the most recent state-of-the-art LLMs perform better on the task of text simplification (TS). |