中文
相关论文

相关论文: Representation Deficiency in Masked Language Model…

200 篇论文

While large language models (LLMs) are extensively used, there are raising concerns regarding privacy, security, and copyright due to their opaque training data, which brings the problem of detecting pre-training data on the table. Current…

计算与语言 · 计算机科学 2024-08-01 Anqi Zhang , Chaofeng Wu

Cross-lingual transfer learning is an important property of multilingual large language models (LLMs). But how do LLMs represent relationships between languages? Every language model has an input layer that maps tokens to vectors. This…

计算与语言 · 计算机科学 2023-12-19 Andrea W Wen-Yi , David Mimno

Masked autoencoders (MAEs) represent a prominent self-supervised learning paradigm in computer vision. Despite their empirical success, the underlying mechanisms of MAEs remain insufficiently understood. Recent studies have attempted to…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Tao Huang , Yanxiang Ma , Shan You , Chang Xu

In recent years, multimodal large language models (MLLMs) have shown strong potential in real-world applications. They are developing rapidly due to their remarkable ability to comprehend multimodal information and their inherent powerful…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Bozhou Li , Hao Liang , Zimo Meng , Wentao Zhang

Masked Autoencoder (MAE) has demonstrated superior performance on various vision tasks via randomly masking image patches and reconstruction. However, effective data augmentation strategies for MAE still remain open questions, different…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Kai Chen , Zhili Liu , Lanqing Hong , Hang Xu , Zhenguo Li , Dit-Yan Yeung

Masked language modeling has become a standard pretraining objective for training encoder-based language models. In this approach, certain tokens in the input are masked, and the model learns to predict them using the surrounding context.…

人工智能 · 计算机科学 2026-05-28 Gokul Srinivasagan , Kai Hartung , Munir Georges

Tokenization is the first - and often underappreciated - layer of computation in language models. While Chain-of-Thought (CoT) prompting enables transformer models to approximate recurrent computation by externalizing intermediate steps, we…

计算与语言 · 计算机科学 2025-05-21 Xiang Zhang , Juntai Cao , Jiaqi Wei , Yiwei Xu , Chenyu You

Robots can adapt to user preferences by learning reward functions from demonstrations, but with limited data, reward models often overfit to spurious correlations and fail to generalize. This happens because demonstrations show robots how…

机器人学 · 计算机科学 2026-04-01 Minyoung Hwang , Alexandra Forsey-Smerek , Nathaniel Dennler , Andreea Bobu

We propose a pre-training strategy called Multi-modal Multi-task Masked Autoencoders (MultiMAE). It differs from standard Masked Autoencoding in two key aspects: I) it can optionally accept additional modalities of information in the input…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Roman Bachmann , David Mizrahi , Andrei Atanov , Amir Zamir

Masked language modeling (MLM) has become one of the most successful self-supervised pre-training task. Inspired by its success, Point-BERT, as a pioneer work in point cloud, proposed masked point modeling (MPM) to pre-train point…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Kexue Fu , Mingzhi Yuan , Manning Wang

Masked autoencoder (MAE) is a promising self-supervised pre-training technique that can improve the representation learning of a neural network without human intervention. However, applying MAE directly to volumetric medical images poses…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Jia-Xin Zhuang , Luyang Luo , Hao Chen

Masked image modelling (e.g., Masked AutoEncoder) and contrastive learning (e.g., Momentum Contrast) have shown impressive performance on unsupervised visual representation learning. This work presents Masked Contrastive Representation…

计算机视觉与模式识别 · 计算机科学 2022-11-14 Yuchong Yao , Nandakishor Desai , Marimuthu Palaniswami

Masked diffusion models (MDMs) have emerged as a promising alternative to autoregressive models (ARMs) for language modeling. However, MDMs are known to learn substantially more slowly than ARMs, which may become problematic when scaling…

Low-dose computed tomography (LDCT) offers reduced X-ray radiation exposure but at the cost of compromised image quality, characterized by increased noise and artifacts. Recently, transformer models emerged as a promising avenue to enhance…

图像与视频处理 · 电气工程与系统科学 2023-10-20 Dayang Wang , Yongshun Xu , Shuo Han , Zhan Wu , Li Zhou , Bahareh Morovati , Hengyong Yu

Recently, various studies have been directed towards exploring dense passage retrieval techniques employing pre-trained language models, among which the masked auto-encoder (MAE) pre-training architecture has emerged as the most promising.…

信息检索 · 计算机科学 2023-05-23 Zehan Li , Yanzhao Zhang , Dingkun Long , Pengjun Xie

Large Language Models (LLMs) have demonstrated remarkable generalization across diverse tasks, leading individuals to increasingly use them as personal assistants and universal computing engines. Nevertheless, a notable obstacle emerges…

机器学习 · 计算机科学 2023-09-13 Dimitris Spathis , Fahim Kawsar

In this paper, our goal is to generate synthetic data for heterogeneous (mixed-type) tabular datasets with high machine learning utility (MLu). Since the MLu performance depends on accurately approximating the conditional distributions, we…

机器学习 · 计算机科学 2024-08-20 Seunghwan An , Gyeongdong Woo , Jaesung Lim , ChangHyun Kim , Sungchul Hong , Jong-June Jeon

Masked Image Modeling (MIM) has emerged as a promising approach for Self-Supervised Learning (SSL) of visual representations. However, the out-of-the-box performance of MIMs is typically inferior to competing approaches. Most users cannot…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Marcin Przewięźlikowski , Randall Balestriero , Wojciech Jasiński , Marek Śmieja , Bartosz Zieliński

Pre-trained Transformer language models (LM) have become go-to text representation encoders. Prior research fine-tunes deep LMs to encode text sequences such as sentences and passages into single dense vector representations for efficient…

计算与语言 · 计算机科学 2021-09-22 Luyu Gao , Jamie Callan

While modern Transformer-based language models (LMs) have achieved major success in multi-task generalization, they often struggle to capture long-range dependencies within their context window. This work introduces a novel approach using…

计算与语言 · 计算机科学 2025-09-23 Alok N. Shah , Khush Gupta , Keshav Ramji , Pratik Chaudhari