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Generally speaking, the model training for recommender systems can be based on two types of data, namely explicit feedback and implicit feedback. Moreover, because of its general availability, we see wide adoption of implicit feedback data,…

信息检索 · 计算机科学 2023-04-17 Yi Ren , Hongyan Tang , Jiangpeng Rong , Siwen Zhu

Contrastive learning has become pivotal in unsupervised representation learning, with frameworks like Momentum Contrast (MoCo) effectively utilizing large negative sample sets to extract discriminative features. However, traditional…

机器学习 · 计算机科学 2025-01-29 Duy Hoang , Huy Ngo , Khoi Pham , Tri Nguyen , Gia Bao , Huy Phan

As an algorithmic framework for learning to learn, meta-learning provides a promising solution for few-shot text classification. However, most existing research fail to give enough attention to class labels. Traditional basic framework…

计算与语言 · 计算机科学 2024-12-16 Guanghua Hou , Shuhui Cao , Deqiang Ouyang , Ning Wang

Several automatic approaches for objective music performance assessment (MPA) have been proposed in the past, however, existing systems are not yet capable of reliably predicting ratings with the same accuracy as professional judges. This…

声音 · 计算机科学 2021-08-16 Pavan Seshadri , Alexander Lerch

Incorporating every annotator's perspective is crucial for unbiased data modeling. Annotator fatigue and changing opinions over time can distort dataset annotations. To combat this, we propose to learn a more accurate representation of…

机器学习 · 计算机科学 2024-06-05 Uthman Jinadu , Yi Ding

Learning contrastive representations from pairwise comparisons has achieved remarkable success in various fields, such as natural language processing, computer vision, and information retrieval. Collaborative filtering algorithms based on…

信息检索 · 计算机科学 2023-08-01 Bin Liu , Qin Luo , Bang Wang

Learning recommender systems with multi-class optimization objective is a prevalent setting in recommendation. However, as observed user feedback often accounts for a tiny fraction of the entire item pool, the standard Softmax loss tends to…

信息检索 · 计算机科学 2024-10-10 Hao Zhang , Mingyue Cheng , Qi Liu , Yucong Luo , Rui Li , Enhong Chen

This paper proposes a cold start recommendation model that integrates contrastive learning, aiming to solve the problem of performance degradation of recommendation systems in cold start scenarios due to the scarcity of user and item…

信息检索 · 计算机科学 2025-02-07 Jiacheng Hu , Tai An , Zidong Yu , Junliang Du , Yuanshuai Luo

Learning to rank has recently emerged as an attractive technique to train deep convolutional neural networks for various computer vision tasks. Pairwise ranking, in particular, has been successful in multi-label image classification,…

计算机视觉与模式识别 · 计算机科学 2017-06-02 Yuncheng Li , Yale Song , Jiebo Luo

Learning from implicit user feedback is challenging as we can only observe positive samples but never access negative ones. Most conventional methods cope with this issue by adopting a pairwise ranking approach with negative sampling.…

信息检索 · 计算机科学 2021-01-20 Riku Togashi , Masahiro Kato , Mayu Otani , Shin'ichi Satoh

Deep neural networks trained with standard cross-entropy loss are more prone to memorize noisy labels, which degrades their performance. Negative learning using complementary labels is more robust when noisy labels intervene but with an…

机器学习 · 计算机科学 2022-09-07 Chen-Chen Zong , Zheng-Tao Cao , Hong-Tao Guo , Yun Du , Ming-Kun Xie , Shao-Yuan Li , Sheng-Jun Huang

Recently, learning with soft labels has been shown to achieve better performance than learning with hard labels in terms of model generalization, calibration, and robustness. However, collecting pointwise labeling confidence for all…

机器学习 · 计算机科学 2023-10-10 Wei Wang , Lei Feng , Yuchen Jiang , Gang Niu , Min-Ling Zhang , Masashi Sugiyama

Deep neural networks trained with standard cross-entropy loss memorize noisy labels, which degrades their performance. Most research to mitigate this memorization proposes new robust classification loss functions. Conversely, we propose a…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Diego Ortego , Eric Arazo , Paul Albert , Noel E. O'Connor , Kevin McGuinness

In applied image segmentation tasks, the ability to provide numerous and precise labels for training is paramount to the accuracy of the model at inference time. However, this overhead is often neglected, and recently proposed segmentation…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Kuai Yu , Hakeem Frank , Daniel Wilson

To alleviate the data requirement for training effective binary classifiers in binary classification, many weakly supervised learning settings have been proposed. Among them, some consider using pairwise but not pointwise labels, when…

机器学习 · 计算机科学 2022-01-14 Lei Feng , Senlin Shu , Nan Lu , Bo Han , Miao Xu , Gang Niu , Bo An , Masashi Sugiyama

In this work, we investigate an approach that relies on contrastive learning and music metadata as a weak source of supervision to train music representation models. Recent studies show that contrastive learning can be used with editorial…

Deep neural networks can memorize corrupted labels, making data quality critical for model performance, yet real-world datasets are frequently compromised by both label noise and input noise. This paper proposes a mutual information-based…

机器学习 · 计算机科学 2025-08-12 Jinghan Yang , Jiayu Weng

Multi-label network classification is a well-known task that is being used in a wide variety of web-based and non-web-based domains. It can be formalized as a multi-relational learning task for predicting nodes labels based on their…

机器学习 · 计算机科学 2019-02-26 Ahmed Rashed , Josif Grabocka , Lars Schmidt-Thieme

Learning with noisy labels has attracted a lot of attention in recent years, where the mainstream approaches are in pointwise manners. Meanwhile, pairwise manners have shown great potential in supervised metric learning and unsupervised…

机器学习 · 计算机科学 2021-06-18 Songhua Wu , Xiaobo Xia , Tongliang Liu , Bo Han , Mingming Gong , Nannan Wang , Haifeng Liu , Gang Niu

In this paper, we propose a novel ranking framework for collaborative filtering with the overall aim of learning user preferences over items by minimizing a pairwise ranking loss. We show the minimization problem involves dependent random…

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