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The success of deep learning heavily relies on large-scale data with comprehensive labels, which is more expensive and time-consuming to fetch in 3D compared to 2D images or natural languages. This promotes the potential of utilizing models…

计算机视觉与模式识别 · 计算机科学 2023-02-03 Runpei Dong , Zekun Qi , Linfeng Zhang , Junbo Zhang , Jianjian Sun , Zheng Ge , Li Yi , Kaisheng Ma

Dense retrieval models using a transformer-based bi-encoder design have emerged as an active area of research. In this work, we focus on the task of monolingual retrieval in a variety of typologically diverse languages using one such…

信息检索 · 计算机科学 2022-04-06 Xinyu Zhang , Kelechi Ogueji , Xueguang Ma , Jimmy Lin

We propose pre-finetuning, an additional large-scale learning stage between language model pre-training and fine-tuning. Pre-finetuning is massively multi-task learning (around 50 datasets, over 4.8 million total labeled examples), and is…

计算与语言 · 计算机科学 2021-01-28 Armen Aghajanyan , Anchit Gupta , Akshat Shrivastava , Xilun Chen , Luke Zettlemoyer , Sonal Gupta

Establishing retrieval-based dialogue systems that can select appropriate responses from the pre-built index has gained increasing attention from researchers. For this task, the adoption of pre-trained language models (such as BERT) has led…

计算与语言 · 计算机科学 2021-10-04 Chongyang Tao , Jiazhan Feng , Chang Liu , Juntao Li , Xiubo Geng , Daxin Jiang

We propose bootstrapped masked autoencoders (BootMAE), a new approach for vision BERT pretraining. BootMAE improves the original masked autoencoders (MAE) with two core designs: 1) momentum encoder that provides online feature as extra BERT…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Xiaoyi Dong , Jianmin Bao , Ting Zhang , Dongdong Chen , Weiming Zhang , Lu Yuan , Dong Chen , Fang Wen , Nenghai Yu

Learning discriminative task-specific features simultaneously for multiple distinct tasks is a fundamental problem in multi-task learning. Recent state-of-the-art models consider directly decoding task-specific features from one shared…

计算机视觉与模式识别 · 计算机科学 2023-07-31 Hanrong Ye , Dan Xu

Pre-trained encoder-decoder transformer architectures have become increasingly popular recently with the advent of T5 models. T5 has also become more favorable over other architectures like BERT due to the amount of data that it is…

计算与语言 · 计算机科学 2022-10-25 Frederick Liu , Terry Huang , Shihang Lyu , Siamak Shakeri , Hongkun Yu , Jing Li

Pre-trained Programming Language Models (PPLMs) achieved many recent states of the art results for many code-related software engineering tasks. Though some studies use data flow or propose tree-based models that utilize Abstract Syntax…

软件工程 · 计算机科学 2023-03-14 Iman Saberi , Fatemeh H. Fard

We introduce a self-supervised vision representation model BEiT, which stands for Bidirectional Encoder representation from Image Transformers. Following BERT developed in the natural language processing area, we propose a masked image…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Hangbo Bao , Li Dong , Songhao Piao , Furu Wei

Transformer has been widely used for self-supervised pre-training in Natural Language Processing (NLP) and achieved great success. However, it has not been fully explored in visual self-supervised learning. Meanwhile, previous methods only…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Zhaowen Li , Zhiyang Chen , Fan Yang , Wei Li , Yousong Zhu , Chaoyang Zhao , Rui Deng , Liwei Wu , Rui Zhao , Ming Tang , Jinqiao Wang

With the capability of modeling bidirectional contexts, denoising autoencoding based pretraining like BERT achieves better performance than pretraining approaches based on autoregressive language modeling. However, relying on corrupting the…

计算与语言 · 计算机科学 2020-01-03 Zhilin Yang , Zihang Dai , Yiming Yang , Jaime Carbonell , Ruslan Salakhutdinov , Quoc V. Le

Detecting machine-generated text (MGT) has emerged as a critical challenge, driven by the rapid advancement of large language models (LLMs) capable of producing highly realistic, human-like content. However, the performance of current…

计算与语言 · 计算机科学 2025-11-04 Guoxin Ma , Xiaoming Liu , Zhanhan Zhang , Chengzhengxu Li , Shengchao Liu , Yu Lan

Despite the progresses on pre-trained language models, there is a lack of unified frameworks for pre-trained sentence representation. As such, it calls for different pre-training methods for specific scenarios, and the pre-trained models…

计算与语言 · 计算机科学 2022-08-02 Alexander Liu , Samuel Yang

The use of self-supervised pre-training has emerged as a promising approach to enhance the performance of many different visual tasks. In this context, recent approaches have employed the Masked Image Modeling paradigm, which pre-trains a…

计算机视觉与模式识别 · 计算机科学 2025-01-23 Lorenzo Baraldi , Roberto Amoroso , Marcella Cornia , Lorenzo Baraldi , Andrea Pilzer , Rita Cucchiara

Dense retrievers utilize pre-trained backbone language models (e.g., BERT, LLaMA) that are fine-tuned via contrastive learning to perform the task of encoding text into sense representations that can be then compared via a shallow…

信息检索 · 计算机科学 2025-05-13 Zheng Yao , Shuai Wang , Guido Zuccon

Transfer learning with large pretrained transformer-based language models like BERT has become a dominating approach for most NLP tasks. Simply fine-tuning those large language models on downstream tasks or combining it with task-specific…

计算与语言 · 计算机科学 2021-08-06 Wenjuan Han , Bo Pang , Yingnian Wu

Self-supervised learning (SSL) methods such as masked language modeling have shown massive performance gains by pretraining transformer models for a variety of natural language processing tasks. The follow-up research adapted similar…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Gokul Karthik Kumar , Sahal Shaji Mullappilly , Abhishek Singh Gehlot

Pre-trained encoders are widely employed in dense prediction tasks for their capability to effectively extract visual features from images. The decoder subsequently processes these features to generate pixel-level predictions. However, due…

机器学习 · 计算机科学 2025-03-18 Chao Ning , Wanshui Gan , Weihao Xuan , Naoto Yokoya

The use of large pretrained neural networks to create contextualized word embeddings has drastically improved performance on several natural language processing (NLP) tasks. These computationally expensive models have begun to be applied to…

计算机与社会 · 计算机科学 2019-12-03 Benjamin Clavié , Kobi Gal

Large-scale pretraining and task-specific fine-tuning is now the standard methodology for many tasks in computer vision and natural language processing. Recently, a multitude of methods have been proposed for pretraining vision and language…

计算与语言 · 计算机科学 2021-06-01 Emanuele Bugliarello , Ryan Cotterell , Naoaki Okazaki , Desmond Elliott