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Masked Language Model (MLM) framework has been widely adopted for self-supervised language pre-training. In this paper, we argue that randomly sampled masks in MLM would lead to undesirably large gradient variance. Thus, we theoretically…

计算与语言 · 计算机科学 2020-10-15 Mingzhi Zheng , Dinghan Shen , Yelong Shen , Weizhu Chen , Lin Xiao

Beam search with masked language models (MLMs) is challenging in part because joint probability distributions over sequences are not readily available, unlike for autoregressive models. However, estimating such distributions has important…

机器学习 · 计算机科学 2024-10-11 Creston Brooks , Robert Calef , Charlie Cowen-Breen , Anna Sappington

We consider the protein sequence engineering problem, which aims to find protein sequences with high fitness levels, starting from a given wild-type sequence. Directed evolution has been a dominating paradigm in this field which has an…

机器学习 · 计算机科学 2025-01-20 Yinkai Wang , Jiaxing He , Yuanqi Du , Xiaohui Chen , Jianan Canal Li , Li-Ping Liu , Xiaolin Xu , Soha Hassoun

Protein language models (PLMs) have shown promise in improving the understanding of protein sequences, contributing to advances in areas such as function prediction and protein engineering. However, training these models from scratch…

机器学习 · 计算机科学 2024-12-19 Shivasankaran Vanaja Pandi , Bharath Ramsundar

Pre-trained LLMs have demonstrated substantial capabilities across a range of conventional natural language processing (NLP) tasks, such as summarization and entity recognition. In this paper, we explore the application of LLMs in the…

定量方法 · 定量生物学 2024-08-14 Kamyar Zeinalipour , Neda Jamshidi , Monica Bianchini , Marco Maggini , Marco Gori

Masked language modeling (MLM) is one of the key sub-tasks in vision-language pretraining. In the cross-modal setting, tokens in the sentence are masked at random, and the model predicts the masked tokens given the image and the text. In…

计算与语言 · 计算机科学 2021-09-07 Yonatan Bitton , Gabriel Stanovsky , Michael Elhadad , Roy Schwartz

We present and evaluate a method called grammar masking, which is used to guide large language models (LLMs) toward producing syntactically correct models for a given context-free grammar. Prompt engineering methods such as few-shot…

计算与语言 · 计算机科学 2024-07-10 Lukas Netz , Jan Reimer , Bernhard Rumpe

Large Language models (LLMs) have emerged as powerful tools for addressing challenges across diverse domains. Notably, recent studies have demonstrated that large language models significantly enhance the efficiency of biomolecular analysis…

计算与语言 · 计算机科学 2025-03-07 Jiyue Jiang , Zikang Wang , Yuheng Shan , Heyan Chai , Jiayi Li , Zixian Ma , Xinrui Zhang , Yu Li

We explore optimally training protein language models, an area of significant interest in biological research where guidance on best practices is limited. Most models are trained with extensive compute resources until performance gains…

机器学习 · 计算机科学 2024-11-05 Xingyi Cheng , Bo Chen , Pan Li , Jing Gong , Jie Tang , Le Song

In recent years, protein-text models have gained significant attention for their potential in protein generation and understanding. Current approaches focus on integrating protein-related knowledge into large language models through…

计算与语言 · 计算机科学 2025-11-11 Juntong Wu , Zijing Liu , He Cao , Hao Li , Bin Feng , Zishan Shu , Ke Yu , Li Yuan , Yu Li

While recent work has shown that scores from models trained by the ubiquitous masked language modeling (MLM) objective effectively discriminate probable from improbable sequences, it is still an open question if these MLMs specify a…

机器学习 · 计算机科学 2022-03-16 Kartik Goyal , Chris Dyer , Taylor Berg-Kirkpatrick

Masked language modeling (MLM), a self-supervised pretraining objective, is widely used in natural language processing for learning text representations. MLM trains a model to predict a random sample of input tokens that have been replaced…

计算与语言 · 计算机科学 2021-09-07 Atsuki Yamaguchi , George Chrysostomou , Katerina Margatina , Nikolaos Aletras

At the intersection of the rapidly growing biological data landscape and advancements in Natural Language Processing (NLP), protein language models (PLMs) have emerged as a transformative force in modern research. These models have achieved…

生物大分子 · 定量生物学 2025-02-12 Lei Wang , Xudong Li , Han Zhang , Jinyi Wang , Dingkang Jiang , Zhidong Xue , Yan Wang

Many efforts have been made to facilitate natural language processing tasks with pre-trained language models (LMs), and brought significant improvements to various applications. To fully leverage the nearly unlimited corpora and capture…

计算与语言 · 计算机科学 2018-09-11 Liyuan Liu , Xiang Ren , Jingbo Shang , Jian Peng , Jiawei Han

Deep neural-network-based language models (LMs) are increasingly applied to large-scale protein sequence data to predict protein function. However, being largely black-box models and thus challenging to interpret, current protein LM…

Masked language modeling (MLM) has been widely used for pre-training effective bidirectional representations, but incurs substantial training costs. In this paper, we propose a novel concept-based curriculum masking (CCM) method to…

计算与语言 · 计算机科学 2022-12-16 Mingyu Lee , Jun-Hyung Park , Junho Kim , Kang-Min Kim , SangKeun Lee

Understanding protein sequences is vital and urgent for biology, healthcare, and medicine. Labeling approaches are expensive yet time-consuming, while the amount of unlabeled data is increasing quite faster than that of the labeled data due…

计算与语言 · 计算机科学 2021-11-01 Liang He , Shizhuo Zhang , Lijun Wu , Huanhuan Xia , Fusong Ju , He Zhang , Siyuan Liu , Yingce Xia , Jianwei Zhu , Pan Deng , Bin Shao , Tao Qin , Tie-Yan Liu

Protein Language Models (PLMs), pre-trained on extensive evolutionary data from natural proteins, have emerged as indispensable tools for protein design. While powerful, PLMs often struggle to produce proteins with precisely specified…

生物大分子 · 定量生物学 2025-09-15 Long-Kai Huang , Rongyi Zhu , Bing He , Jianhua Yao

Protein-specific large language models (Protein LLMs) are revolutionizing protein science by enabling more efficient protein structure prediction, function annotation, and design. While existing surveys focus on specific aspects or…

Protein Language Models (PLMs) have emerged as performant and scalable tools for predicting the functional impact and clinical significance of protein-coding variants, but they still lag experimental accuracy. Here, we present a novel…

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