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Despite the great success of spoken language understanding (SLU) in high-resource languages, it remains challenging in low-resource languages mainly due to the lack of labeled training data. The recent multilingual code-switching approach…

计算与语言 · 计算机科学 2022-10-26 Shining Liang , Linjun Shou , Jian Pei , Ming Gong , Wanli Zuo , Xianglin Zuo , Daxin Jiang

Spoken language understanding (SLU) is a core task in task-oriented dialogue systems, which aims at understanding the user's current goal through constructing semantic frames. SLU usually consists of two subtasks, including intent detection…

计算与语言 · 计算机科学 2024-06-03 Xuxin Cheng , Wanshi Xu , Zhihong Zhu , Hongxiang Li , Yuexian Zou

The impressive performance of GPT-3 using natural language prompts and in-context learning has inspired work on better fine-tuning of moderately-sized models under this paradigm. Following this line of work, we present a contrastive…

计算与语言 · 计算机科学 2022-05-04 Yiren Jian , Chongyang Gao , Soroush Vosoughi

Pre-trained language models have proven their unique powers in capturing implicit language features. However, most pre-training approaches focus on the word-level training objective, while sentence-level objectives are rarely studied. In…

计算与语言 · 计算机科学 2021-01-01 Zhuofeng Wu , Sinong Wang , Jiatao Gu , Madian Khabsa , Fei Sun , Hao Ma

Cross-language pre-trained models such as multilingual BERT (mBERT) have achieved significant performance in various cross-lingual downstream NLP tasks. This paper proposes a multi-level contrastive learning (ML-CTL) framework to further…

计算与语言 · 计算机科学 2022-03-01 Beiduo Chen , Wu Guo , Bin Gu , Quan Liu , Yongchao Wang

Natural Language Inference (NLI) is a growingly essential task in natural language understanding, which requires inferring the relationship between the sentence pairs (premise and hypothesis). Recently, low-resource natural language…

计算与语言 · 计算机科学 2022-06-01 Shu'ang Li , Xuming Hu , Li Lin , Aiwei Liu , Lijie Wen , Philip S. Yu

Cross-lingual summarization (CLS) is a sophisticated branch in Natural Language Processing that demands models to accurately translate and summarize articles from different source languages. Despite the improvement of the subsequent…

计算与语言 · 计算机科学 2024-11-27 Sanzana Karim Lora , M. Sohel Rahman , Rifat Shahriyar

State-of-the-art model for zero-shot cross-lingual spoken language understanding performs cross-lingual unsupervised contrastive learning to achieve the label-agnostic semantic alignment between each utterance and its code-switched data.…

计算与语言 · 计算机科学 2024-05-13 Bowen Xing , Ivor W. Tsang

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

Continual learning (CL) involves acquiring and accumulating knowledge from evolving tasks while alleviating catastrophic forgetting. Recently, leveraging contrastive loss to construct more transferable and less forgetful representations has…

机器学习 · 计算机科学 2025-09-22 Jia Tang , Xinrui Wang , Songcan Chen

Recent advances in 3D reconstruction techniques and vision-language models have fueled significant progress in 3D semantic understanding, a capability critical to robotics, autonomous driving, and virtual/augmented reality. However, methods…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Lei Tian , Xiaomin Li , Liqian Ma , Hao Yin , Zirui Zheng , Hefei Huang , Taiqing Li , Huchuan Lu , Xu Jia

The rapid growth of Large Language Models (LLMs) usage has highlighted the importance of gradient-free in-context learning (ICL). However, interpreting their inner workings remains challenging. This paper introduces a novel multimodal…

计算与语言 · 计算机科学 2024-08-26 Yosuke Miyanishi , Minh Le Nguyen

Contrastive learning (CL) is a popular technique for self-supervised learning (SSL) of visual representations. It uses pairs of augmentations of unlabeled training examples to define a classification task for pretext learning of a deep…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Chih-Hui Ho , Nuno Vasconcelos

Contrastive learning (CL) has achieved astonishing progress in computer vision, speech, and natural language processing fields recently with self-supervised learning. However, CL approach to the supervised setting is not fully explored,…

计算与语言 · 计算机科学 2022-05-23 Zhenyu Zhang , Yuming Zhao , Meng Chen , Xiaodong He

Natural language inference (NLI) is an increasingly important task for natural language understanding, which requires one to infer the relationship between the sentence pair (premise and hypothesis). Many recent works have used contrastive…

计算与语言 · 计算机科学 2022-05-02 Shu'ang Li , Xuming Hu , Li Lin , Lijie Wen

This paper considers contrastive training for cross-modal 0-shot transfer wherein a pre-trained model in one modality is used for representation learning in another domain using pairwise data. The learnt models in the latter domain can then…

Contrastive learning has shown promising potential for learning robust representations by utilizing unlabeled data. However, constructing effective positive-negative pairs for contrastive learning on facial behavior datasets remains…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Xiang Zhang , Taoyue Wang , Xiaotian Li , Huiyuan Yang , Lijun Yin

Graph Contrastive Learning (GCL) is a widely adopted approach in self-supervised graph representation learning, applying contrastive objectives to produce effective representations. However, current GCL methods primarily focus on capturing…

机器学习 · 计算机科学 2025-07-11 Dongxiao He , Yongqi Huang , Jitao Zhao , Xiaobao Wang , Zhen Wang

Graph Contrastive Learning (GCL) has recently drawn much research interest for learning generalizable node representations in a self-supervised manner. In general, the contrastive learning process in GCL is performed on top of the…

机器学习 · 计算机科学 2022-12-06 Kaize Ding , Yancheng Wang , Yingzhen Yang , Huan Liu

Multilingual generative models obtain remarkable cross-lingual in-context learning capabilities through pre-training on large-scale corpora. However, they still exhibit a performance bias toward high-resource languages and learn isolated…

计算与语言 · 计算机科学 2024-06-13 Chong Li , Shaonan Wang , Jiajun Zhang , Chengqing Zong
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