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The cross-entropy loss commonly used in deep learning is closely related to the defining properties of optimal representations, but does not enforce some of the key properties. We show that this can be solved by adding a regularization…

机器学习 · 统计学 2017-02-14 Alessandro Achille , Stefano Soatto

Diffusion Probabilistic Models (DPMs) have recently demonstrated impressive results on various generative tasks.Despite its promises, the learned representations of pre-trained DPMs, however, have not been fully understood. In this paper,…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Xingyi Yang , Xinchao Wang

Objective: To automatically create large labeled training datasets and reduce the efforts of feature engineering for training accurate machine learning models for clinical information extraction. Materials and Methods: We propose a distant…

Concept-Based Models (CBMs) are a class of deep learning models that provide interpretability by explaining predictions through high-level concepts. These models first predict concepts and then use them to perform a downstream task.…

机器学习 · 计算机科学 2025-06-27 David Debot , Pietro Barbiero , Gabriele Dominici , Giuseppe Marra

High-dimensional time series are common in many domains. Since human cognition is not optimized to work well in high-dimensional spaces, these areas could benefit from interpretable low-dimensional representations. However, most…

机器学习 · 计算机科学 2019-01-07 Vincent Fortuin , Matthias Hüser , Francesco Locatello , Heiko Strathmann , Gunnar Rätsch

Given the prevalence of large language models (LLMs) and the prohibitive cost of training these models from scratch, dynamically forgetting specific knowledge e.g., private or proprietary, without retraining the model has become an…

计算与语言 · 计算机科学 2024-08-09 Tyler Lizzo , Larry Heck

Diffusion models have achieved unprecedented success in image generation but pose increasing risks in terms of privacy, fairness, and security. A growing demand exists to \emph{erase} sensitive or harmful concepts (e.g., NSFW content,…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Zixuan Fu , Yan Ren , Finn Carter , Chenyue Wen , Le Ku , Daheng Yu , Emily Davis , Bo Zhang

Knowledge Tracing (KT) models students' evolving knowledge states to predict future performance, serving as a foundation for personalized education. While traditional deep learning models achieve high accuracy, they often lack…

计算与语言 · 计算机科学 2026-03-25 Runze Li , Kedi Chen , Guwei Feng , Mo Yu , Jun Wang , Wei Zhang

Designed to track changes in students' knowledge status and predict their future answers based on students' historical answer records. Current research on KT modeling focuses on predicting future student performance based on existing,…

人工智能 · 计算机科学 2025-12-18 Lixiang Xu , Xianwei Ding , Xin Yuan , Zhanlong Wang , Lu Bai , Enhong Chen , Philip S. Yu , Yuanyan Tang

Extracting structured representations from raw visual data is an important and long-standing challenge in machine learning. Recently, techniques for unsupervised learning of object-centric representations have raised growing interest. In…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Riccardo Majellaro , Jonathan Collu , Aske Plaat , Thomas M. Moerland

Recent advances in Rate-Distortion-Perception (RDP) theory highlight the importance of balancing compression level, reconstruction quality, and perceptual fidelity. While previous work has explored numerical approaches to approximate the…

信息论 · 计算机科学 2025-08-20 Chunhui Chen , Linyi Chen , Xueyan Niu , Hao Wu

Representing, comparing, and measuring the distance between probability distributions is a key task in computational statistics and machine learning. The choice of representation and the associated distance determine properties of the…

机器学习 · 统计学 2026-02-26 Masha Naslidnyk

In this paper we propose a novel metric learning framework called Nullspace Kernel Maximum Margin Metric Learning (NK3ML) which efficiently addresses the small sample size (SSS) problem inherent in person re-identification and offers a…

计算机视觉与模式识别 · 计算机科学 2018-07-31 T M Feroz Ali , Subhasis Chaudhuri

In this work, we introduce a new procedure for applying Restricted Boltzmann Machines (RBMs) to missing data inference tasks, based on linearization of the effective energy function governing the distribution of observations. We compare the…

机器学习 · 计算机科学 2019-10-22 Chris Cannella , Jie Ding , Mohammadreza Soltani , Vahid Tarokh

Disentangled Representation Learning (DRL) aims to learn a model capable of identifying and disentangling the underlying factors hidden in the observable data in representation form. The process of separating underlying factors of variation…

机器学习 · 计算机科学 2024-06-28 Xin Wang , Hong Chen , Si'ao Tang , Zihao Wu , Wenwu Zhu

Kernel approximation methods create explicit, low-dimensional kernel feature maps to deal with the high computational and memory complexity of standard techniques. This work studies a supervised kernel learning methodology to optimize such…

机器学习 · 计算机科学 2020-02-17 Mert Al , Zejiang Hou , Sun-Yuan Kung

Concept erasure has emerged as a promising technique for mitigating the risk of harmful content generation in diffusion models by selectively unlearning undesirable concepts. The common principle of previous works to remove a specific…

机器学习 · 计算机科学 2025-05-26 Anh Bui , Trang Vu , Long Vuong , Trung Le , Paul Montague , Tamas Abraham , Junae Kim , Dinh Phung

Goal-conditioned reinforcement learning (RL) is a promising direction for training agents that are capable of solving multiple tasks and reach a diverse set of objectives. How to \textit{specify} and \textit{ground} these goals in such a…

Knowledge representation learning (KRL) aims to represent entities and relations in knowledge graph in low-dimensional semantic space, which have been widely used in massive knowledge-driven tasks. In this article, we introduce the reader…

计算与语言 · 计算机科学 2018-12-31 Yankai Lin , Xu Han , Ruobing Xie , Zhiyuan Liu , Maosong Sun

In recent studies, the generalization properties for distributed learning and random features assumed the existence of the target concept over the hypothesis space. However, this strict condition is not applicable to the more common…

机器学习 · 计算机科学 2023-08-30 Jian Li , Yong Liu , Weiping Wang