English
Related papers

Related papers: Supervised Prototypical Contrastive Learning for E…

200 papers

Since the meaning representations are detailed and accurate annotations which express fine-grained sequence-level semtantics, it is usually hard to train discriminative semantic parsers via Maximum Likelihood Estimation (MLE) in an…

Computation and Language · Computer Science 2023-01-20 Shan Wu , Chunlei Xin , Bo Chen , Xianpei Han , Le Sun

Contrastive learning techniques have been widely used in the field of computer vision as a means of augmenting datasets. In this paper, we extend the use of these contrastive learning embeddings to sentiment analysis tasks and demonstrate…

Computation and Language · Computer Science 2021-12-03 Ipsita Mohanty , Ankit Goyal , Alex Dotterweich

Real-scene image super-resolution aims to restore real-world low-resolution images into their high-quality versions. A typical RealSR framework usually includes the optimization of multiple criteria which are designed for different image…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Yukai Shi , Hao Li , Sen Zhang , Zhijing Yang , Xiao Wang

While the introduction of contrastive learning frameworks in sentence representation learning has significantly contributed to advancements in the field, it still remains unclear whether state-of-the-art sentence embeddings can capture the…

Computation and Language · Computer Science 2024-06-10 Young Hyun Yoo , Jii Cha , Changhyeon Kim , Taeuk Kim

Pretrained language models such as BERT, GPT have shown great effectiveness in language understanding. The auxiliary predictive tasks in existing pretraining approaches are mostly defined on tokens, thus may not be able to capture…

Computation and Language · Computer Science 2020-06-19 Hongchao Fang , Sicheng Wang , Meng Zhou , Jiayuan Ding , Pengtao Xie

Citation classification, which identifies the intention behind academic citations, is pivotal for scholarly analysis. Previous works suggest fine-tuning pretrained language models (PLMs) on citation classification datasets, reaping the…

Computation and Language · Computer Science 2025-05-29 Tong Li , Jiachuan Wang , Yongqi Zhang , Shuangyin Li , Lei Chen

Contrastive learning allows us to flexibly define powerful losses by contrasting positive pairs from sets of negative samples. Recently, the principle has also been used to learn cross-modal embeddings for video and text, yet without…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Mohammadreza Zolfaghari , Yi Zhu , Peter Gehler , Thomas Brox

Through minimization of an appropriate loss function such as the InfoNCE loss, contrastive learning (CL) learns a useful representation function by pulling positive samples close to each other while pushing negative samples far apart in the…

Machine Learning · Computer Science 2024-05-13 Ruijie Jiang , Thuan Nguyen , Prakash Ishwar , Shuchin Aeron

In-context learning (ICL) achieves remarkable performance in various domains such as knowledge acquisition, commonsense reasoning, and semantic understanding. However, its performance significantly deteriorates for emotion detection tasks,…

Machine Learning · Computer Science 2025-10-13 Zhaochun Ren , Zhou Yang , Chenglong Ye , Yufeng Wang , Haizhou Sun , Chao Chen , Xiaofei Zhu , Yunbing Wu , Xiangwen Liao

Emotion plays a fundamental role in human interaction, and therefore systems capable of identifying emotions in speech are crucial in the context of human-computer interaction. Speech emotion recognition (SER) is a challenging problem,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-03 Lucas Ueda , João Lima , Leonardo Marques , Paula Costa

Machine Reading Comprehension with Unanswerable Questions is a difficult NLP task, challenged by the questions which can not be answered from passages. It is observed that subtle literal changes often make an answerable question…

Computation and Language · Computer Science 2022-08-03 Yunjie Ji , Liangyu Chen , Chenxiao Dou , Baochang Ma , Xiangang Li

Contrastive learning is an efficient approach to self-supervised representation learning. Although recent studies have made progress in the theoretical understanding of contrastive learning, the investigation of how to characterize the…

Machine Learning · Computer Science 2023-08-21 Hiroki Waida , Yuichiro Wada , Léo Andéol , Takumi Nakagawa , Yuhui Zhang , Takafumi Kanamori

Contrastive learning -- a modern approach to extract useful representations from unlabeled data by training models to distinguish similar samples from dissimilar ones -- has driven significant progress in foundation models. In this work, we…

Machine Learning · Statistics 2025-10-15 Licong Lin , Song Mei

Unsupervised sentence embedding aims to obtain the most appropriate embedding for a sentence to reflect its semantic. Contrastive learning has been attracting developing attention. For a sentence, current models utilize diverse data…

Computation and Language · Computer Science 2022-03-03 Hao Wang , Yangguang Li , Zhen Huang , Yong Dou , Lingpeng Kong , Jing Shao

Self-supervised learning has recently achieved great success in representation learning without human annotations. The dominant method -- that is contrastive learning, is generally based on instance discrimination tasks, i.e., individual…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Chen Feng , Ioannis Patras

Accurate sentiment analysis of texts is crucial for a variety of applications, such as understanding customer feedback, monitoring market trends, and detecting public sentiment. However, manually annotating large sentiment corpora for…

Computation and Language · Computer Science 2025-01-30 Kunrong Li , Xinyu Liu , Zhen Chen

We introduce EfficientCL, a memory-efficient continual pretraining method that applies contrastive learning with novel data augmentation and curriculum learning. For data augmentation, we stack two types of operation sequentially: cutoff…

Computation and Language · Computer Science 2021-10-19 Seonghyeon Ye , Jiseon Kim , Alice Oh

Multimodal emotion recognition plays a key role in many domains, including mental health monitoring, educational interaction, and human-computer interaction. However, existing methods often face three major challenges: unbalanced category…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Feng Li , Ke Wu , Yongwei Li

Personalized search plays a crucial role in improving user search experience owing to its ability to build user profiles based on historical behaviors. Previous studies have made great progress in extracting personal signals from the query…

Information Retrieval · Computer Science 2021-11-25 Yujia Zhou , Zhicheng Dou , Yutao Zhu , Ji-Rong Wen

For years, adversarial training has been extensively studied in natural language processing (NLP) settings. The main goal is to make models robust so that similar inputs derive in semantically similar outcomes, which is not a trivial…

Computation and Language · Computer Science 2021-09-21 Daniela N. Rim , DongNyeong Heo , Heeyoul Choi