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Recently, fine-tuning pre-trained code models such as CodeBERT on downstream tasks has achieved great success in many software testing and analysis tasks. While effective and prevalent, fine-tuning the pre-trained parameters incurs a large…

Software Engineering · Computer Science 2023-04-12 Ensheng Shi , Yanlin Wang , Hongyu Zhang , Lun Du , Shi Han , Dongmei Zhang , Hongbin Sun

Language models for code such as CodeBERT offer the capability to learn advanced source code representation, but their opacity poses barriers to understanding of captured properties. Recent attention analysis studies provide initial…

Software Engineering · Computer Science 2023-11-23 Mootez Saad , Tushar Sharma

Many recent models in software engineering introduced deep neural models based on the Transformer architecture or use transformer-based Pre-trained Language Models (PLM) trained on code. Although these models achieve the state of the arts…

Software Engineering · Computer Science 2022-04-22 Rishab Sharma , Fuxiang Chen , Fatemeh Fard , David Lo

In this work, we release COVID-Twitter-BERT (CT-BERT), a transformer-based model, pretrained on a large corpus of Twitter messages on the topic of COVID-19. Our model shows a 10-30% marginal improvement compared to its base model,…

Computation and Language · Computer Science 2020-05-18 Martin Müller , Marcel Salathé , Per E Kummervold

Recent work learns contextual representations of source code by reconstructing tokens from their context. For downstream semantic understanding tasks like summarizing code in English, these representations should ideally capture program…

Machine Learning · Computer Science 2022-01-10 Paras Jain , Ajay Jain , Tianjun Zhang , Pieter Abbeel , Joseph E. Gonzalez , Ion Stoica

We present SpanBERT, a pre-training method that is designed to better represent and predict spans of text. Our approach extends BERT by (1) masking contiguous random spans, rather than random tokens, and (2) training the span boundary…

Computation and Language · Computer Science 2020-01-22 Mandar Joshi , Danqi Chen , Yinhan Liu , Daniel S. Weld , Luke Zettlemoyer , Omer Levy

A recent trend in binary code analysis promotes the use of neural solutions based on instruction embedding models. An instruction embedding model is a neural network that transforms sequences of assembly instructions into embedding vectors.…

Cryptography and Security · Computer Science 2022-08-16 Fiorella Artuso , Marco Mormando , Giuseppe A. Di Luna , Leonardo Querzoni

Code pre-trained models (CodePTMs) have recently demonstrated a solid capacity to process various software intelligence tasks, e.g., code clone detection, code translation, and code summarization. The current mainstream method that deploys…

Software Engineering · Computer Science 2024-05-10 Qiushi Sun , Nuo Chen , Jianing Wang , Xiang Li , Ming Gao

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…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Hangbo Bao , Li Dong , Songhao Piao , Furu Wei

Context: Stack Overflow is very helpful for software developers who are seeking answers to programming problems. Previous studies have shown that a growing number of questions are of low quality and thus obtain less attention from potential…

Computation and Language · Computer Science 2022-08-26 Fengji Zhang , Xiao Yu , Jacky Keung , Fuyang Li , Zhiwen Xie , Zhen Yang , Caoyuan Ma , Zhimin Zhang

Recently, many pre-trained language models for source code have been proposed to model the context of code and serve as a basis for downstream code intelligence tasks such as code completion, code search, and code summarization. These…

Software Engineering · Computer Science 2022-02-15 Yao Wan , Wei Zhao , Hongyu Zhang , Yulei Sui , Guandong Xu , Hai Jin

In this paper, we introduce ActBERT for self-supervised learning of joint video-text representations from unlabeled data. First, we leverage global action information to catalyze the mutual interactions between linguistic texts and local…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Linchao Zhu , Yi Yang

Language representation models such as BERT could effectively capture contextual semantic information from plain text, and have been proved to achieve promising results in lots of downstream NLP tasks with appropriate fine-tuning. However,…

Computation and Language · Computer Science 2020-10-07 Deming Ye , Yankai Lin , Jiaju Du , Zhenghao Liu , Peng Li , Maosong Sun , Zhiyuan Liu

Researchers have investigated the potential of leveraging pre-trained language models, such as CodeBERT, to enhance source code-related tasks. Previous methodologies have relied on CodeBERT's '[CLS]' token as the embedding representation of…

Computation and Language · Computer Science 2024-09-04 Yong Ma , Senlin Luo , Yu-Ming Shang , Yifei Zhang , Zhengjun Li

Self-supervised speech representation learning methods like wav2vec 2.0 and Hidden-unit BERT (HuBERT) leverage unlabeled speech data for pre-training and offer good representations for numerous speech processing tasks. Despite the success…

Computation and Language · Computer Science 2022-04-29 Heng-Jui Chang , Shu-wen Yang , Hung-yi Lee

This paper studies the BERT pretraining of video transformers. It is a straightforward but worth-studying extension given the recent success from BERT pretraining of image transformers. We introduce BEVT which decouples video representation…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Rui Wang , Dongdong Chen , Zuxuan Wu , Yinpeng Chen , Xiyang Dai , Mengchen Liu , Yu-Gang Jiang , Luowei Zhou , Lu Yuan

In this work, we present a simple but effective method, CTCBERT, for advancing hidden-unit BERT (HuBERT). HuBERT applies a frame-level cross-entropy (CE) loss, which is similar to most acoustic model training. However, CTCBERT performs the…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-02 Ruchao Fan , Yiming Wang , Yashesh Gaur , Jinyu Li

Pre-trained code representation models such as CodeBERT have demonstrated superior performance in a variety of software engineering tasks, yet they are often heavy in complexity, quadratically with the length of the input sequence. Our…

Software Engineering · Computer Science 2022-11-22 Zhaowei Zhang , Hongyu Zhang , Beijun Shen , Xiaodong Gu

The multivariate, asynchronous nature of real-world clinical data, such as that generated in Intensive Care Units (ICUs), challenges traditional AI-based decision-support systems. These often assume data regularity and feature independence…

Machine Learning · Computer Science 2025-02-28 Ricardo Santos , André V. Carreiro , Xi Peng , Hugo Gamboa , Holger Fröhlich

Transformer-based models have achieved remarkable success in natural language and vision tasks, but their application to gene expression analysis remains limited due to data sparsity, high dimensionality, and missing values. We present…

Machine Learning · Computer Science 2025-04-15 Shuai Jiang , Saeed Hassanpour