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Influence functions provide a principled method to assess the contribution of individual training samples to a specific target. Yet, their high computational costs limit their applications on large-scale models and datasets. Existing…

机器学习 · 计算机科学 2025-06-27 Xinyu Zhou , Simin Fan , Martin Jaggi

Instruction fine-tuning attacks pose a serious threat to large language models (LLMs) by subtly embedding poisoned examples in fine-tuning datasets, leading to harmful or unintended behaviors in downstream applications. Detecting such…

机器学习 · 计算机科学 2026-02-02 Jiawei Li

As concerns around data privacy in machine learning grow, the ability to unlearn, or remove, specific data points from trained models becomes increasingly important. While state of the art unlearning methods have emerged in response, they…

机器学习 · 计算机科学 2025-12-08 Anat Kleiman , Robert Fisher , Ben Deaner , Udi Wieder

Many training data attribution (TDA) methods aim to estimate how a model's behavior would change if one or more data points were removed from the training set. Methods based on implicit differentiation, such as influence functions, can be…

机器学习 · 计算机科学 2024-05-22 Juhan Bae , Wu Lin , Jonathan Lorraine , Roger Grosse

Instruction tuning has unlocked powerful capabilities in large language models (LLMs), effectively using combined datasets to develop generalpurpose chatbots. However, real-world applications often require a specialized suite of skills…

计算与语言 · 计算机科学 2024-06-14 Mengzhou Xia , Sadhika Malladi , Suchin Gururangan , Sanjeev Arora , Danqi Chen

We study how training data contributes to the emergence of toxic behaviors in large language models. Most prior work on reducing model toxicity adopts reactive approaches, such as fine-tuning pre-trained (and potentially toxic) models to…

机器学习 · 计算机科学 2025-12-08 Zachary Coalson , Juhan Bae , Nicholas Carlini , Sanghyun Hong

Online reinforcement learning (RL) excels in complex, safety-critical domains but suffers from sample inefficiency, training instability, and limited interpretability. Data attribution provides a principled way to trace model behavior back…

机器学习 · 计算机科学 2025-10-07 Yuzheng Hu , Fan Wu , Haotian Ye , David Forsyth , James Zou , Nan Jiang , Jiaqi W. Ma , Han Zhao

Machine learning systems such as large scale recommendation systems or natural language processing systems are usually trained on billions of training points and are associated with hundreds of billions or trillions of parameters. Improving…

机器学习 · 计算机科学 2023-05-26 Michael Kounavis , Ousmane Dia , Ilqar Ramazanli

Machine unlearning has become a pivotal task to erase the influence of data from a trained model. It adheres to recent data regulation standards and enhances the privacy and security of machine learning applications. In this work, we…

机器学习 · 计算机科学 2024-07-18 Jing Wu , Mehrtash Harandi

Identifying the influence of training data for data cleansing can improve the accuracy of deep learning. An approach with stochastic gradient descent (SGD) called SGD-influence to calculate the influence scores was proposed, but, the…

机器学习 · 计算机科学 2021-06-02 Kenji Suzuki , Yoshiyuki Kobayashi , Takuya Narihira

As large language models are increasingly trained and fine-tuned, practitioners need methods to identify which training data drive specific behaviors, particularly unintended ones. Training Data Attribution (TDA) methods address this by…

The proliferation of large-scale AI models trained on extensive datasets has revolutionized machine learning. With these models taking on increasingly central roles in various applications, the need to understand their behavior and enhance…

机器学习 · 计算机科学 2024-04-23 Jingwen Ye , Ruonan Yu , Songhua Liu , Xinchao Wang

Selecting appropriate training data is crucial for effective instruction fine-tuning of large language models (LLMs), which aims to (1) elicit strong capabilities, and (2) achieve balanced performance across a diverse range of tasks.…

计算与语言 · 计算机科学 2025-01-22 Qirun Dai , Dylan Zhang , Jiaqi W. Ma , Hao Peng

As an effective approach to quantify how training samples influence test sample, data attribution is crucial for understanding data and model and further enhance the transparency of machine learning models. We find that prevailing data…

机器学习 · 计算机科学 2025-08-08 Linxiao Yang , Xinyu Gu , Liang Sun

Influence functions estimate effect of individual data points on predictions of the model on test data and were adapted to deep learning in Koh and Liang [2017]. They have been used for detecting data poisoning, detecting helpful and…

机器学习 · 计算机科学 2022-10-04 Nikunj Saunshi , Arushi Gupta , Mark Braverman , Sanjeev Arora

Among the most critical limitations of deep learning NLP models are their lack of interpretability, and their reliance on spurious correlations. Prior work proposed various approaches to interpreting the black-box models to unveil the…

计算与语言 · 计算机科学 2021-10-08 Xiaochuang Han , Yulia Tsvetkov

As LLMs continue to scale, improving training efficiency increasingly depends on using data more effectively. Data selection addresses this problem by allocating a limited training budget to samples that best promote a target behavior.…

机器学习 · 计算机科学 2026-05-21 Qihao Lin , Guanxu Chen , Dongrui Liu , Jing Shao

Machine learning models may inadvertently memorize sensitive, unauthorized, or malicious data, posing risks of privacy breaches, security vulnerabilities, and performance degradation. To address these issues, machine unlearning has emerged…

机器学习 · 计算机科学 2024-04-08 Jie Xu , Zihan Wu , Cong Wang , Xiaohua Jia

Data attribution methods trace model behavior back to its training dataset, offering an effective approach to better understand ''black-box'' neural networks. While prior research has established quantifiable links between model output and…

机器学习 · 计算机科学 2024-07-30 Tong Xie , Haoyu Li , Andrew Bai , Cho-Jui Hsieh

Data selection is of great significance in pre-training large language models, given the variation in quality within the large-scale available training corpora. To achieve this, researchers are currently investigating the use of data…