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Loss functions steer the optimization direction of recommendation models and are critical to model performance, but have received relatively little attention in recent recommendation research. Among various losses, we find Softmax loss (SL)…

机器学习 · 计算机科学 2023-12-21 Junkang Wu , Jiawei Chen , Jiancan Wu , Wentao Shi , Jizhi Zhang , Xiang Wang

Collaborative filtering (CF) stands as a cornerstone in recommender systems, yet effectively leveraging the massive unlabeled data presents a significant challenge. Current research focuses on addressing the challenge of unlabeled data by…

信息检索 · 计算机科学 2024-12-25 Yuhan Zhao , Rui Chen , Qilong Han , Hongtao Song , Li Chen

A central goal of unsupervised learning is to acquire representations from unlabeled data or experience that can be used for more effective learning of downstream tasks from modest amounts of labeled data. Many prior unsupervised learning…

机器学习 · 计算机科学 2019-03-25 Kyle Hsu , Sergey Levine , Chelsea Finn

Top-k error is currently a popular performance measure on large scale image classification benchmarks such as ImageNet and Places. Despite its wide acceptance, our understanding of this metric is limited as most of the previous research is…

计算机视觉与模式识别 · 计算机科学 2016-12-19 Maksim Lapin , Matthias Hein , Bernt Schiele

Softmax Loss (SL) is being increasingly adopted for recommender systems (RS) as it has demonstrated better performance, robustness and fairness. Yet in implicit-feedback, a single global temperature and equal treatment of uniformly sampled…

机器学习 · 计算机科学 2026-02-10 Bucher Sahyouni , Matthew Vowels , Liqun Chen , Simon Hadfield

A common practice in most of deep convolutional neural architectures is to employ fully-connected layers followed by Softmax activation to minimize cross-entropy loss for the sake of classification. Recent studies show that substitution or…

机器学习 · 计算机科学 2017-10-23 Arash Shahriari

In multi-label learning, the issue of missing labels brings a major challenge. Many methods attempt to recovery missing labels by exploiting low-rank structure of label matrix. However, these methods just utilize global low-rank label…

机器学习 · 计算机科学 2022-02-17 Zhongchen Ma , Songcan Chen

This paper proposes a novel training scheme for fast matching models in Search Ads, which is motivated by the real challenges in model training. The first challenge stems from the pursuit of high throughput, which prohibits the deployment…

信息检索 · 计算机科学 2019-04-23 Xue Li , Zhipeng Luo , Hao Sun , Jianjin Zhang , Weihao Han , Xianqi Chu , Liangjie Zhang , Qi Zhang

In multi-label learning, leveraging contrastive learning to learn better representations faces a key challenge: selecting positive and negative samples and effectively utilizing label information. Previous studies selected positive and…

机器学习 · 计算机科学 2025-02-03 Ning Chen , Shen-Huan Lyu , Tian-Shuang Wu , Yanyan Wang , Bin Tang

Recommender systems are crucial for personalizing user experiences but often depend on implicit feedback data, which can be noisy and misleading. Existing denoising studies involve incorporating auxiliary information or learning strategies…

信息检索 · 计算机科学 2025-02-14 Shuyao Wang , Zhi Zheng , Yongduo Sui , Hui Xiong

Distant supervision provides a means to create a large number of weakly labeled data at low cost for relation classification. However, the resulting labeled instances are very noisy, containing data with wrong labels. Many approaches have…

计算与语言 · 计算机科学 2020-10-27 Zhenzhen Li , Jian-Yun Nie , Benyou Wang , Pan Du , Yuhan Zhang , Lixin Zou , Dongsheng Li

In recent years, multi-label classification has attracted a significant body of research, motivated by real-life applications, such as text classification and medical diagnoses. Although sparsely studied in this context, Learning Classifier…

神经与进化计算 · 计算机科学 2015-12-29 Fani A. Tzima , Miltiadis Allamanis , Alexandros Filotheou , Pericles A. Mitkas

Training with more data has always been the most stable and effective way of improving performance in deep learning era. As the largest object detection dataset so far, Open Images brings great opportunities and challenges for object…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Junran Peng , Xingyuan Bu , Ming Sun , Zhaoxiang Zhang , Tieniu Tan , Junjie Yan

Recent research has revealed that deep neural networks often take dataset biases as a shortcut to make decisions rather than understand tasks, leading to failures in real-world applications. In this study, we focus on the spurious…

计算与语言 · 计算机科学 2023-06-23 Yanrui Du , Jing Yan , Yan Chen , Jing Liu , Sendong Zhao , Qiaoqiao She , Hua Wu , Haifeng Wang , Bing Qin

With the great success of deep neural networks, adversarial learning has received widespread attention in various studies, ranging from multi-class learning to multi-label learning. However, existing adversarial attacks toward multi-label…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Yuchen Sun , Qianqian Xu , Zitai Wang , Qingming Huang

Meta-learning has emerged as a prominent technology for few-shot text classification and has achieved promising performance. However, existing methods often encounter difficulties in drawing accurate class prototypes from support set…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Xinyue Liu , Yunlong Gao , Linlin Zong , Bo Xu

Accurate prediction of users' responses to items is one of the main aims of many computational advising applications. Examples include recommending movies, news articles, songs, jobs, clothes, books and so forth. Accurate prediction of…

应用统计 · 统计学 2022-12-20 Baode Gao , Guangpeng Zhan , Hanzhang Wang , Yiming Wang , Shengxin Zhu

Recommendation systems aim to predict users' feedback on items not exposed to them. Confounding bias arises due to the presence of unmeasured variables (e.g., the socio-economic status of a user) that can affect both a user's exposure and…

机器学习 · 计算机科学 2023-06-16 Qing Zhang , Xiaoying Zhang , Yang Liu , Hongning Wang , Min Gao , Jiheng Zhang , Ruocheng Guo

We study a ranking and selection problem of learning from choice-based feedback with dynamic assortments. In this problem, a company sequentially displays a set of items to a population of customers and collects their choices as feedback.…

机器学习 · 计算机科学 2025-01-03 Junwen Yang , Yifan Feng

Recommendation systems (RS) aim to provide personalized content, but they face a challenge in unbiased learning due to selection bias, where users only interact with items they prefer. This bias leads to a distorted representation of user…

机器学习 · 计算机科学 2025-06-10 Shuqiang Zhang , Yuchao Zhang , Jinkun Chen , Haochen Sui