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Conventional methods for student modeling, which involve predicting grades based on measured activities, struggle to provide accurate results for minority/underrepresented student groups due to data availability biases. In this paper, we…

Among all data augmentation techniques proposed so far, linear interpolation of training samples, also called Mixup, has found to be effective for a large panel of applications. Along with improved predictive performance, Mixup is also a…

机器学习 · 计算机科学 2025-03-20 Quentin Bouniot , Pavlo Mozharovskyi , Florence d'Alché-Buc

Various algorithms have been proposed to address the challenges posed by class-imbalanced learning from real-world data with long-tailed distributions. While these algorithms reduce prediction bias through rebalancing techniques, they often…

机器学习 · 计算机科学 2026-05-29 Hyuck Lee , Taemin Park , Heeyoung Kim

We propose a large margin criterion for training neural language models. Conventionally, neural language models are trained by minimizing perplexity (PPL) on grammatical sentences. However, we demonstrate that PPL may not be the best metric…

计算与语言 · 计算机科学 2018-08-29 Jiaji Huang , Yi Li , Wei Ping , Liang Huang

Machine learning models are increasingly being utilized across various fields and tasks due to their outstanding performance and strong generalization capabilities. Nonetheless, their success hinges on the availability of large volumes of…

机器学习 · 计算机科学 2024-11-26 Shreen Gul , Mohamed Elmahallawy , Sanjay Madria , Ardhendu Tripathy

Multi-instance multi-label (MIML) learning has many interesting applications in computer visions, including multi-object recognition and automatic image tagging. In these applications, additional information such as bounding-boxes, image…

计算机视觉与模式识别 · 计算机科学 2017-03-01 Hao Yang , Joey Tianyi Zhou , Jianfei Cai , Yew Soon Ong

By allowing models to predict without task-specific training, in-context learning (ICL) with pretrained LLMs has enormous potential in NLP. However, a number of problems persist in ICL. In particular, its performance is sensitive to the…

计算与语言 · 计算机科学 2024-02-20 Zhichao Xu , Daniel Cohen , Bei Wang , Vivek Srikumar

Most methods for learning with noisy labels require privileged knowledge such as noise transition matrices, clean subsets or pretrained feature extractors, resources typically unavailable when robustness is most needed. We propose Conformal…

机器学习 · 计算机科学 2026-04-13 Yuanjie Shi , Peihong Li , Zijian Zhang , Janardhan Rao Doppa , Yan Yan

Distance-based supervised method, the minimal learning machine, constructs a predictive model from data by learning a mapping between input and output distance matrices. In this paper, we propose new methods and evaluate how their core…

Partial-label learning (PLL) is a peculiar weakly-supervised learning task where the training samples are generally associated with a set of candidate labels instead of single ground truth. While a variety of label disambiguation methods…

机器学习 · 计算机科学 2022-09-22 Haobo Wang , Mingxuan Xia , Yixuan Li , Yuren Mao , Lei Feng , Gang Chen , Junbo Zhao

We propose a new approach to address the text classification problems when learning with partial labels is beneficial. Instead of offering each training sample a set of candidate labels, we assign negative-oriented labels to the ambiguous…

Multi-label classification (MLC) often suffers from performance disparities across labels. We propose \textbf{FairPO}, a framework combining preference-based loss and group-robust optimization to improve fairness by targeting…

机器学习 · 计算机科学 2025-12-01 Soumen Kumar Mondal , Prateek Chanda , Akshit Varmora , Ganesh Ramakrishnan

The use of large language models (LLMs) as automated evaluation tools to assess the quality of generated natural language, known as LLMs-as-Judges, has demonstrated promising capabilities and is rapidly gaining widespread attention.…

计算与语言 · 计算机科学 2024-10-22 Haitao Li , Junjie Chen , Qingyao Ai , Zhumin Chu , Yujia Zhou , Qian Dong , Yiqun Liu

Semi-supervised learning (SSL) often suffers under class imbalance, where pseudo-labeling amplifies majority bias and suppresses minority performance. We address this issue with a lightweight framework that, to our knowledge, is the first…

机器学习 · 计算机科学 2026-03-04 Kohki Akiba , Shinnosuke Matsuo , Shota Harada , Ryoma Bise

Learning from label proportions (LLP), i.e., a challenging weakly-supervised learning task, aims to train a classifier by using bags of instances and the proportions of classes within bags, rather than annotated labels for each instance.…

人工智能 · 计算机科学 2025-03-26 Tianhao Ma , Han Chen , Juncheng Hu , Yungang Zhu , Ximing Li

Learning from label proportions (LLP) is a weakly supervised setting for classification in which unlabeled training instances are grouped into bags, and each bag is annotated with the proportion of each class occurring in that bag. Prior…

机器学习 · 统计学 2020-06-15 Clayton Scott , Jianxin Zhang

Partial Multi-label Learning (PML) aims to induce the multi-label predictor from datasets with noisy supervision, where each training instance is associated with several candidate labels but only partially valid. To address the noisy issue,…

机器学习 · 计算机科学 2020-06-23 Ximing Li , Yang Wang

Various design settings for in-context learning (ICL), such as the choice and order of the in-context examples, can bias a model toward a particular prediction without being reflective of an understanding of the task. While many studies…

计算与语言 · 计算机科学 2023-08-07 Yu Fei , Yifan Hou , Zeming Chen , Antoine Bosselut

Aligning large language models (LLMs) depends on high-quality datasets of human preference labels, which are costly to collect. Although active learning has been studied to improve sample efficiency relative to passive collection, many…

机器学习 · 计算机科学 2026-02-03 Yao Zhao , Kwang-Sung Jun

Multiple instance learning (MIL) is a robust paradigm for whole-slide pathological image (WSI) analysis, processing gigapixel-resolution images with slide-level labels. As pioneering efforts, attention-based MIL (ABMIL) and its variants are…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Linghan Cai , Shenjin Huang , Ye Zhang , Jinpeng Lu , Yongbing Zhang
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