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In many application domains such as medicine, information retrieval, cybersecurity, social media, etc., datasets used for inducing classification models often have an unequal distribution of the instances of each class. This situation,…

机器学习 · 计算机科学 2022-01-21 Mohamed S. Kraiem , Fernando Sánchez-Hernández , María N. Moreno-García

Imbalanced classification problems are extremely common in natural language processing and are solved using a variety of resampling and filtering techniques, which often involve making decisions on how to select training data or decide…

计算与语言 · 计算机科学 2022-09-02 Ryan Muther , David Smith

Large Language Models increasingly possess capabilities that carry dual-use risks. While data filtering has emerged as a pretraining-time mitigation, it faces significant challenges: labeling whether data is harmful is expensive at scale,…

In-Context Learning (ICL) has gained prominence due to its ability to perform tasks without requiring extensive training data and its robustness to noisy labels. A typical ICL workflow involves selecting localized examples relevant to a…

信息检索 · 计算机科学 2025-05-07 Janak Kapuriya , Manit Kaushik , Debasis Ganguly , Sumit Bhatia

Vision-language models (VLMs) are trained for thousands of GPU hours on carefully curated web datasets. In recent times, data curation has gained prominence with several works developing strategies to retain 'high-quality' subsets of 'raw'…

机器学习 · 计算机科学 2024-04-11 Sachin Goyal , Pratyush Maini , Zachary C. Lipton , Aditi Raghunathan , J. Zico Kolter

We introduce SuperClass, a super simple classification method for vision-language pre-training on image-text data. Unlike its contrastive counterpart CLIP who contrast with a text encoder, SuperClass directly utilizes tokenized raw text as…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Zilong Huang , Qinghao Ye , Bingyi Kang , Jiashi Feng , Haoqi Fan

Modern foundation models rely heavily on using scaling laws to guide crucial training decisions. Researchers often extrapolate the optimal architecture and hyper parameters settings from smaller training runs by describing the relationship…

机器学习 · 计算机科学 2025-02-27 Margaret Li , Sneha Kudugunta , Luke Zettlemoyer

One possible approach to tackle the class imbalance in classification tasks is to resample a training dataset, i.e., to drop some of its elements or to synthesize new ones. There exist several widely-used resampling methods. Recent research…

机器学习 · 计算机科学 2018-09-18 Smolyakov Dmitry , Alexander Korotin , Pavel Erofeev , Artem Papanov , Evgeny Burnaev

This study advances task-based image quality assessment by developing an anthropomorphic thresholded visual-search model observer. The model is an ideal observer for thresholded data inspired by the human visual system, allowing selective…

图像与视频处理 · 电气工程与系统科学 2026-01-14 Hongwei Lin , Howard C. Gifford

In this work, we provide a large-scale empirical study of the scaling properties of multilingual neural machine translation models. We examine how increases in the model size affect the model performance and investigate the role of the…

计算与语言 · 计算机科学 2023-02-21 Patrick Fernandes , Behrooz Ghorbani , Xavier Garcia , Markus Freitag , Orhan Firat

Data is fundamental to the training of language models (LM). Recent research has been dedicated to data efficiency, which aims to maximize performance by selecting a minimal or optimal subset of training data. Techniques such as data…

计算与语言 · 计算机科学 2025-06-30 Yalun Dai , Yangyu Huang , Xin Zhang , Wenshan Wu , Chong Li , Wenhui Lu , Shijie Cao , Li Dong , Scarlett Li

In this paper, we show that knowledge distillation can be subverted to manipulate language model benchmark scores, revealing a critical vulnerability in current evaluation practices. We introduce "Data Laundering," a process that enables…

计算与语言 · 计算机科学 2025-06-05 Jonibek Mansurov , Akhmed Sakip , Alham Fikri Aji

Current scaling laws for visual AI models focus predominantly on large-scale pretraining, leaving a critical gap in understanding how performance scales for data-constrained downstream tasks. To address this limitation, this paper…

机器学习 · 计算机科学 2025-04-21 Wenxuan Yang , Qingqu Wei , Chenxi Ma , Weimin Tan , Bo Yan

Despite the effectiveness of data selection for large language models (LLMs) during pretraining and instruction fine-tuning phases, improving data efficiency in supervised fine-tuning (SFT) for specialized domains poses significant…

计算与语言 · 计算机科学 2024-12-06 Yu Yang , Siddhartha Mishra , Jeffrey N Chiang , Baharan Mirzasoleiman

Text-to-image diffusion models, which are theoretically equivalent to score-based generative models, generate images through a multi-step denoising process guided by text embeddings extracted from pretrained vision-language models such as…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Seung Hyuk Lee , Songkuk Kim

Our ability to efficiently and accurately evaluate the quality of machine translation systems has been outrun by the effectiveness of current language models--which limits the potential for further improving these models on more challenging…

计算与语言 · 计算机科学 2025-09-25 Syeda Jannatus Saba , Steven Skiena

Model selection requires repeatedly evaluating models on a given dataset and measuring their relative performances. In modern applications of machine learning, the models being considered are increasingly more expensive to evaluate and the…

机器学习 · 计算机科学 2020-10-21 Anant Raj , Cameron Musco , Lester Mackey , Nicolo Fusi

This paper discusses an approach with machine-learning probability models to evaluate the difference between good and bad data quality in a dataset. A decision tree algorithm is used to predict data quality based on no domain knowledge of…

机器学习 · 计算机科学 2020-09-16 Allen ONeill

Semantic annotations have to satisfy quality constraints to be useful for digital libraries, which is particularly challenging on large and diverse datasets. Confidence scores of multi-label classification methods typically refer only to…

信息检索 · 计算机科学 2018-06-08 Martin Toepfer , Christin Seifert

Test-time compute scaling has emerged as a powerful paradigm for enhancing mathematical reasoning in large language models (LLMs) by allocating additional computational resources during inference. However, current methods employ uniform…

计算与语言 · 计算机科学 2025-12-02 Yang Xiao , Chunpu Xu , Ruifeng Yuan , Jiashuo Wang , Wenjie Li , Pengfei Liu
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