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Semi-supervised text classification (SSTC) has gained increasing attention due to its ability to leverage unlabeled data. However, existing approaches based on pseudo-labeling suffer from the issues of pseudo-label bias and error…

计算与语言 · 计算机科学 2023-10-24 Henry Peng Zou , Cornelia Caragea

Semi-supervised learning has been an effective paradigm for leveraging unlabeled data to reduce the reliance on labeled data. We propose CoMatch, a new semi-supervised learning method that unifies dominant approaches and addresses their…

机器学习 · 计算机科学 2021-03-04 Junnan Li , Caiming Xiong , Steven Hoi

Entity Matching (EM) is a core data cleaning task, aiming to identify different mentions of the same real-world entity. Active learning is one way to address the challenge of scarce labeled data in practice, by dynamically collecting the…

数据库 · 计算机科学 2020-03-31 Venkata Vamsikrishna Meduri , Lucian Popa , Prithviraj Sen , Mohamed Sarwat

In real world datasets, particular groups are under-represented, much rarer than others, and machine learning classifiers will often preform worse on under-represented populations. This problem is aggravated across many domains where…

机器学习 · 计算机科学 2023-02-10 Arghya Datta , S. Joshua Swamidass

Semi-supervised learning (SSL) provides an effective means of leveraging unlabeled data to improve a model's performance. In this paper, we demonstrate the power of a simple combination of two common SSL methods: consistency regularization…

Pseudo-labeling is a crucial technique in semi-supervised learning (SSL), where artificial labels are generated for unlabeled data by a trained model, allowing for the simultaneous training of labeled and unlabeled data in a supervised…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Khanh-Binh Nguyen , Joon-Sung Yang

We introduce MarginMatch, a new SSL approach combining consistency regularization and pseudo-labeling, with its main novelty arising from the use of unlabeled data training dynamics to measure pseudo-label quality. Instead of using only the…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Tiberiu Sosea , Cornelia Caragea

Unifying diverse image generation tasks within a single framework remains a fundamental challenge in visual generation. While large language models (LLMs) achieve unification through task-agnostic data and generation, existing visual…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Yijing Lin , Mengqi Huang , Shuhan Zhuang , Zhendong Mao

Spurious correlations in real-world datasets cause machine learning models to rely on irrelevant patterns, undermining reliability, generalization, and fairness. Active learning offers a promising way to address this failure mode by…

机器学习 · 计算机科学 2026-05-21 Kin Whye Chew , Jingxian Wang

Deep learning opacity often impedes deployment in high-stakes domains. We propose a training framework that aligns model focus with class-representative features without requiring pixel-level annotations. To this end, we introduce…

人工智能 · 计算机科学 2026-02-16 Giacomo Ignesti , Davide Moroni , Massimo Martinelli

Conventional image classifiers are trained by randomly sampling mini-batches of images. To achieve state-of-the-art performance, practitioners use sophisticated data augmentation schemes to expand the amount of training data available for…

机器学习 · 计算机科学 2021-06-23 Renkun Ni , Micah Goldblum , Amr Sharaf , Kezhi Kong , Tom Goldstein

A data mixture refers to how different data sources are combined to train large language models, and selecting an effective mixture is crucial for optimal downstream performance. Existing methods either conduct costly searches directly on…

机器学习 · 计算机科学 2026-05-07 Jingwei Li , Xinran Gu , Jingzhao Zhang

Overfitting & underfitting and stable training are an important challenges in machine learning. Current approaches for these issues are mixup, SamplePairing and BC learning. In our work, we state the hypothesis that mixing many images…

机器学习 · 计算机科学 2020-01-22 Maciej A. Czyzewski

Schema matching is a foundational task in enterprise data integration, aiming to align disparate data sources. While traditional methods handle simple one-to-one table mappings, they often struggle with complex multi-table schema matching…

数据库 · 计算机科学 2025-07-16 Sha Wang , Yuchen Li , Hanhua Xiao , Bing Tian Dai , Roy Ka-Wei Lee , Yanfei Dong , Lambert Deng

In this work, we propose data augmentation via pairwise mixup across subgroups to improve group fairness. Many real-world applications of machine learning systems exhibit biases across certain groups due to under-representation or training…

机器学习 · 统计学 2023-09-14 Madeline Navarro , Camille Little , Genevera I. Allen , Santiago Segarra

Machine learning-based Deepfake detection models have achieved impressive results on benchmark datasets, yet their performance often deteriorates significantly when evaluated on out-of-distribution data. In this work, we investigate an…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Haroon Wahab , Hassan Ugail , Lujain Jaleel

A widely used paradigm to improve the generalization performance of high-capacity neural models is through the addition of auxiliary unsupervised tasks during supervised training. Tasks such as similarity matching and input reconstruction…

机器学习 · 计算机科学 2022-01-19 Shivin Srivastava , Kenji Kawaguchi , Vaibhav Rajan

Schema matching is a crucial task in data integration, involving the alignment of a source schema with a target schema to establish correspondence between their elements. This task is challenging due to textual and semantic heterogeneity,…

数据库 · 计算机科学 2024-05-31 Eitam Sheetrit , Menachem Brief , Moshik Mishaeli , Oren Elisha

This paper presents LatentPatch, a new method for generating realistic images from a small dataset of only a few images. We use a lightweight model with only a few thousand parameters. Unlike traditional few-shot generation methods that…

多媒体 · 计算机科学 2024-01-31 Benjamin Samuth , Julien Rabin , David Tschumperlé , Frédéric Jurie

The goal of entity matching is to find the corresponding records representing the same real-world entity from different data sources. At present, in the mainstream methods, rule-based entity matching methods need tremendous domain…

机器学习 · 计算机科学 2024-03-25 Youfang Han , Chunping Li