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Pre-trained Language Models (PLMs) have achieved remarkable performance gains across numerous downstream tasks in natural language understanding. Various Chinese PLMs have been successively proposed for learning better Chinese language…

计算与语言 · 计算机科学 2022-09-16 Borun Chen , Hongyin Tang , Jiahao Bu , Kai Zhang , Jingang Wang , Qifan Wang , Hai-Tao Zheng , Wei Wu , Liqian Yu

Contrastive learning is a well-established paradigm in representation learning. The standard framework of contrastive learning minimizes the distance between "similar" instances and maximizes the distance between dissimilar ones in the…

机器学习 · 计算机科学 2025-02-06 Naghmeh Ghanooni , Barbod Pajoum , Harshit Rawal , Sophie Fellenz , Vo Nguyen Le Duy , Marius Kloft

Multilingual pretraining and fine-tuning have remarkably succeeded in various natural language processing tasks. Transferring representations from one language to another is especially crucial for cross-lingual learning. One can expect…

计算与语言 · 计算机科学 2024-03-26 Shaoxiong Ji , Timothee Mickus , Vincent Segonne , Jörg Tiedemann

Despite the recent success on image classification, self-training has only achieved limited gains on structured prediction tasks such as neural machine translation (NMT). This is mainly due to the compositionality of the target space, where…

计算与语言 · 计算机科学 2020-12-08 Minkai Xu , Mingxuan Wang , Zhouhan Lin , Hao Zhou , Weinan Zhang , Lei Li

Contrastive learning has been frequently investigated to learn effective representations for text clustering tasks. While existing contrastive learning-based text clustering methods only focus on modeling instance-wise semantic similarity…

计算与语言 · 计算机科学 2024-08-27 Qian Yong , Chen Chen , Xiabing Zhou

Large-scale self-supervised pre-trained speech encoders outperform conventional approaches in speech recognition and translation tasks. Due to the high cost of developing these large models, building new encoders for new tasks and deploying…

计算与语言 · 计算机科学 2023-12-29 Heng-Jui Chang , Ning Dong , Ruslan Mavlyutov , Sravya Popuri , Yu-An Chung

Masked language models (MLMs) such as BERT and RoBERTa have revolutionized the field of Natural Language Understanding in the past few years. However, existing pre-trained MLMs often output an anisotropic distribution of token…

计算与语言 · 计算机科学 2022-04-29 Yixuan Su , Fangyu Liu , Zaiqiao Meng , Tian Lan , Lei Shu , Ehsan Shareghi , Nigel Collier

Accurate predictive turn-taking models (PTTMs) are essential for naturalistic human-robot interaction. However, little is known about their performance in noise. This study therefore explores PTTM performance in types of noise likely to be…

声音 · 计算机科学 2025-10-27 Sam O'Connor Russell , Naomi Harte

Scientific literature understanding tasks have gained significant attention due to their potential to accelerate scientific discovery. Pre-trained language models (LMs) have shown effectiveness in these tasks, especially when tuned via…

计算与语言 · 计算机科学 2023-10-24 Yu Zhang , Hao Cheng , Zhihong Shen , Xiaodong Liu , Ye-Yi Wang , Jianfeng Gao

Deep neural networks have been widely studied in autonomous driving applications such as semantic segmentation or depth estimation. However, training a neural network in a supervised manner requires a large amount of annotated labels which…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Dongseok Shim , H. Jin Kim

State-of-the-art natural language understanding classification models follow two-stages: pre-training a large language model on an auxiliary task, and then fine-tuning the model on a task-specific labeled dataset using cross-entropy loss.…

计算与语言 · 计算机科学 2021-04-06 Beliz Gunel , Jingfei Du , Alexis Conneau , Ves Stoyanov

Neural machine translation benefits from semantically rich representations. Considerable progress in learning such representations has been achieved by language modelling and mutual information maximization objectives using contrastive…

Recently, large-scale pre-trained models have shown their advantages in many tasks. However, due to the huge computational complexity and storage requirements, it is challenging to apply the large-scale model to real scenes. A common…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Deng Li , Aming Wu , Yahong Han , Qi Tian

Pretrained language models (PLMs) have produced substantial improvements in discourse-aware neural machine translation (NMT), for example, improved coherence in spoken language translation. However, the underlying reasons for their strong…

计算与语言 · 计算机科学 2023-06-01 Zhihong Huang , Longyue Wang , Siyou Liu , Derek F. Wong

Making decent multi-lingual sentence representations is critical to achieve high performances in cross-lingual downstream tasks. In this work, we propose a novel method to align multi-lingual embeddings based on the similarity of sentences…

计算与语言 · 计算机科学 2024-05-29 Minsu Park , Seyeon Choi , Chanyeol Choi , Jun-Seong Kim , Jy-yong Sohn

Patronizing and condescending language (PCL) has a large harmful impact and is difficult to detect, both for human judges and existing NLP systems. At SemEval-2022 Task 4, we propose a novel Transformer-based model and its ensembles to…

计算与语言 · 计算机科学 2022-07-19 Dou Hu , Mengyuan Zhou , Xiyang Du , Mengfei Yuan , Meizhi Jin , Lianxin Jiang , Yang Mo , Xiaofeng Shi

We address the problem of few-shot semantic segmentation (FSS), which aims to segment novel class objects in a target image with a few annotated samples. Though recent advances have been made by incorporating prototype-based metric…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Hyeongjun Kwon , Somi Jeong , Sunok Kim , Kwanghoon Sohn

Contrastive learning methods for unsupervised visual representation learning have reached remarkable levels of transfer performance. We argue that the power of contrastive learning has yet to be fully unleashed, as current methods are…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Zhenda Xie , Yutong Lin , Zheng Zhang , Yue Cao , Stephen Lin , Han Hu

Visual domain gaps often impact object detection performance. Image-to-image translation can mitigate this effect, where contrastive approaches enable learning of the image-to-image mapping under unsupervised regimes. However, existing…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Danai Triantafyllidou , Sarah Parisot , Ales Leonardis , Steven McDonagh

Based on multilingual pre-trained models, cross-lingual transfer with prompt learning has shown promising effectiveness, where soft prompt learned in a source language is transferred to target languages for downstream tasks, particularly in…

计算与语言 · 计算机科学 2024-03-20 Xiaoyu Qiu , Yuechen Wang , Jiaxin Shi , Wengang Zhou , Houqiang Li