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We present an efficient method of utilizing pretrained language models, where we learn selective binary masks for pretrained weights in lieu of modifying them through finetuning. Extensive evaluations of masking BERT and RoBERTa on a series…

计算与语言 · 计算机科学 2020-10-13 Mengjie Zhao , Tao Lin , Fei Mi , Martin Jaggi , Hinrich Schütze

Recently, Transformer-based language models have demonstrated remarkable performance across many NLP domains. However, the unsupervised pre-training step of these models suffers from unbearable overall computational expenses. Current…

机器学习 · 计算机科学 2020-10-27 Minjia Zhang , Yuxiong He

Bidirectional masked Transformers have become the core theme in the current NLP landscape. Despite their impressive benchmarks, a recurring theme in recent research has been to question such models' capacity for syntactic generalization. In…

计算与语言 · 计算机科学 2021-04-22 Giorgos Tziafas , Konstantinos Kogkalidis , Gijs Wijnholds , Michael Moortgat

Pre-trained language models such as BERT have achieved great success in a broad range of natural language processing tasks. However, BERT cannot well support E-commerce related tasks due to the lack of two levels of domain knowledge, i.e.,…

计算与语言 · 计算机科学 2021-12-20 Denghui Zhang , Zixuan Yuan , Yanchi Liu , Fuzhen Zhuang , Haifeng Chen , Hui Xiong

In this paper, we introduce a new vision-language pre-trained model -- ImageBERT -- for image-text joint embedding. Our model is a Transformer-based model, which takes different modalities as input and models the relationship between them.…

计算机视觉与模式识别 · 计算机科学 2020-01-24 Di Qi , Lin Su , Jia Song , Edward Cui , Taroon Bharti , Arun Sacheti

We propose a novel parameter-efficient training (PET) method for large language models that adapts models to downstream tasks by optimizing a small subset of the existing model parameters. Unlike prior methods, this subset is not fixed in…

计算与语言 · 计算机科学 2024-11-14 Felix Stahlberg , Jared Lichtarge , Shankar Kumar

Masked language modeling (MLM) pre-training methods such as BERT corrupt the input by replacing some tokens with [MASK] and then train a model to reconstruct the original tokens. While they produce good results when transferred to…

计算与语言 · 计算机科学 2020-03-25 Kevin Clark , Minh-Thang Luong , Quoc V. Le , Christopher D. Manning

Transfer learning has fundamentally changed the landscape of natural language processing (NLP) research. Many existing state-of-the-art models are first pre-trained on a large text corpus and then fine-tuned on downstream tasks. However,…

计算与语言 · 计算机科学 2021-09-10 Haoming Jiang , Pengcheng He , Weizhu Chen , Xiaodong Liu , Jianfeng Gao , Tuo Zhao

We apply a Transformer architecture, specifically BERT, to learn flexible and high quality molecular representations for drug discovery problems. We study the impact of using different combinations of self-supervised tasks for pre-training,…

机器学习 · 计算机科学 2020-11-30 Benedek Fabian , Thomas Edlich , Héléna Gaspar , Marwin Segler , Joshua Meyers , Marco Fiscato , Mohamed Ahmed

Recently, prompt tuning \cite{lester2021power} has gradually become a new paradigm for NLP, which only depends on the representation of the words by freezing the parameters of pre-trained language models (PLMs) to obtain remarkable…

计算与语言 · 计算机科学 2022-01-31 Pan He , Yuxi Chen , Yan Wang , Yanru Zhang

Recently, the pre-trained language model, BERT (and its robustly optimized version RoBERTa), has attracted a lot of attention in natural language understanding (NLU), and achieved state-of-the-art accuracy in various NLU tasks, such as…

计算与语言 · 计算机科学 2019-09-30 Wei Wang , Bin Bi , Ming Yan , Chen Wu , Zuyi Bao , Jiangnan Xia , Liwei Peng , Luo Si

The introduction of pre-trained language models has revolutionized natural language research communities. However, researchers still know relatively little regarding their theoretical and empirical properties. In this regard, Peters et al.…

计算与语言 · 计算机科学 2019-07-12 Ran Wang , Haibo Su , Chunye Wang , Kailin Ji , Jupeng Ding

Pre-trained models have been shown effective in many code intelligence tasks. These models are pre-trained on large-scale unlabeled corpus and then fine-tuned in downstream tasks. However, as the inputs to pre-training and downstream tasks…

软件工程 · 计算机科学 2022-07-26 Chaozheng Wang , Yuanhang Yang , Cuiyun Gao , Yun Peng , Hongyu Zhang , Michael R. Lyu

Transformer-based models have pushed state of the art in many areas of NLP, but our understanding of what is behind their success is still limited. This paper is the first survey of over 150 studies of the popular BERT model. We review the…

计算与语言 · 计算机科学 2020-11-10 Anna Rogers , Olga Kovaleva , Anna Rumshisky

Transfer learning techniques are particularly useful in NLP tasks where a sizable amount of high-quality annotated data is difficult to obtain. Current approaches directly adapt a pre-trained language model (LM) on in-domain text before…

Large-scale language model pretraining is a very successful form of self-supervised learning in natural language processing, but it is increasingly expensive to perform as the models and pretraining corpora have become larger over time. We…

计算与语言 · 计算机科学 2023-06-07 Haoxin Li , Phillip Keung , Daniel Cheng , Jungo Kasai , Noah A. Smith

By introducing a small set of additional parameters, a probe learns to solve specific linguistic tasks (e.g., dependency parsing) in a supervised manner using feature representations (e.g., contextualized embeddings). The effectiveness of…

计算与语言 · 计算机科学 2021-05-31 Zhiyong Wu , Yun Chen , Ben Kao , Qun Liu

Recent work on time-series models has leveraged self-supervised training to learn meaningful features and patterns in order to improve performance on downstream tasks and generalize to unseen modalities. While these pretraining methods have…

机器学习 · 计算机科学 2026-04-10 Paul Quinlan , Qingguo Li , Xiaodan Zhu

Exploring the functions of genes and gene products is crucial to a wide range of fields, including medical research, evolutionary biology, and environmental science. However, discovering new functions largely relies on expensive and…

机器学习 · 计算机科学 2025-01-06 Yuwei Miao , Yuzhi Guo , Hehuan Ma , Jingquan Yan , Feng Jiang , Rui Liao , Junzhou Huang

Multilingual transfer ability, which reflects how well models fine-tuned on one source language can be applied to other languages, has been well studied in multilingual pre-trained models. However, the existence of such capability transfer…

计算与语言 · 计算机科学 2025-01-20 Wang Liang