中文
相关论文

相关论文: A New Hierarchical Redundancy Eliminated Tree Augm…

200 篇论文

The Hierarchical Redundancy Eliminated Tree Augmented Naive Bayes (HRE-TAN) classifier is a semi-naive Bayesian model that learns a type of hierarchical redundancy-free tree-like feature representation to estimate the data distribution. In…

机器学习 · 计算机科学 2022-04-13 Cen Wan

The Tree Augmented Naive Bayes (TAN) classifier is a type of probabilistic graphical model that constructs a single-parent dependency tree to estimate the distribution of the data. In this work, we propose two novel Hierarchical…

机器学习 · 计算机科学 2022-02-10 Cen Wan , Alex A. Freitas

One of the key challenges in machine learning is to design a computationally efficient multi-class classifier while maintaining the output accuracy and performance. In this paper, we present a tree-based classifier: Attention Tree (ATree)…

计算机视觉与模式识别 · 计算机科学 2016-08-03 Priyadarshini Panda , Kaushik Roy

This paper proposes a new approach based on augmented naive Bayes for image classification. Initially, each image is cutting in a whole of blocks. For each block, we compute a vector of descriptors. Then, we propose to carry out a…

计算机视觉与模式识别 · 计算机科学 2012-04-10 Khlifia jayech , mohamed ali mahjoub

Learning the structure of Bayesian networks is a difficult combinatorial optimization problem. In this paper, we consider learning of tree-augmented naive Bayes (TAN) structures for Bayesian network classifiers with discrete input features.…

机器学习 · 计算机科学 2020-08-24 Wolfgang Roth , Franz Pernkopf

Despite the remarkable success of generative adversarial networks, their performance seems less impressive for diverse training sets, requiring learning of discontinuous mapping functions. Though multi-mode prior or multi-generator models…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Jogendra Nath Kundu , Maharshi Gor , Dakshit Agrawal , R. Venkatesh Babu

The study emphasizes the challenge of finding the optimal trade-off between bias and variance, especially as hyperparameter optimization increases in complexity. Through empirical analysis, three hyperparameter tuning algorithms…

机器学习 · 计算机科学 2024-08-30 Subhasis Dasgupta , Jaydip Sen

Designing flexible probabilistic models over tree topologies is important for developing efficient phylogenetic inference methods. To do that, previous works often leverage the similarity of tree topologies via hand-engineered heuristic…

种群与进化 · 定量生物学 2023-10-17 Tianyu Xie , Cheng Zhang

This paper introduces a novel framework for enhancing Random Forest classifiers by integrating probabilistic feature sampling and hyperparameter tuning via Simulated Annealing. The proposed framework exhibits substantial advancements in…

机器学习 · 计算机科学 2025-11-12 Kowshik Balasubramanian , Andre Williams , Ismail Butun

Generative modeling and clustering are conventionally distinct tasks in machine learning. Variational Autoencoders (VAEs) have been widely explored for their ability to integrate both, providing a framework for generative clustering.…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Jorge da Silva Gonçalves , Laura Manduchi , Moritz Vandenhirtz , Julia E. Vogt

Work introduces a hierarchical binary tree-based reduction that replaces standard self-attention. The core idea is to use a recursive Gated Linear Unit merge operation, achieving O(n) total merge operations O(log n) parallel depth O(n d^2)…

机器学习 · 计算机科学 2026-03-03 Igor Berezkin

Naive Bayes is a simple Bayesian classifier with strong independence assumptions among the attributes. This classifier, desipte its strong independence assumptions, often performs well in practice. It is believed that relaxing the…

机器学习 · 计算机科学 2007-05-23 Vikas Hamine , Paul Helman

Exponential Random Graph Models (ERGMs) are an inferential model for analysing statistical networks. Recent development in ERGMs uses hierarchical Bayesian setup to jointly model a group of networks, which is called a multiple-network…

统计方法学 · 统计学 2025-06-06 Yefeng Fan , Simon Richard White

Robust content moderation requires classification systems that can quickly adapt to evolving policies without costly retraining. We present classification using Retrieval-Augmented Generation (RAG), which shifts traditional classification…

计算与语言 · 计算机科学 2025-08-11 Richard Willats , Josh Pennington , Aravind Mohan , Bertie Vidgen

Supervised classification is one of the most ubiquitous tasks in machine learning. Generative classifiers based on Bayesian networks are often used because of their interpretability and competitive accuracy. The widely used naive and TAN…

机器学习 · 统计学 2024-05-29 Manuele Leonelli , Gherardo Varando

Recently, feature selection has become an increasingly important area of research due to the surge in high-dimensional datasets in all areas of modern life. A plethora of feature selection algorithms have been proposed, but it is difficult…

神经与进化计算 · 计算机科学 2019-10-24 Andrew Lensen , Bing Xue , Mengjie Zhang

This paper investigates the application of Feature-Enriched Generative Adversarial Networks (FE-GAN) in financial risk management, with a focus on improving the estimation of Value at Risk (VaR) and Expected Shortfall (ES). FE-GAN enhances…

风险管理 · 定量金融 2024-11-26 Ling Chen

This study introduces a novel expert generation method that dynamically reduces task and computational complexity without compromising predictive performance. It is based on a new hierarchical classification network topology that combines…

Generative adversarial networks (GANs) are deep neural networks that allow us to sample from an arbitrary probability distribution without explicitly estimating the distribution. There is a generator that takes a latent vector as input and…

机器学习 · 计算机科学 2021-06-22 Alper Ahmetoğlu , Ethem Alpaydın

Retrieval-augmented generation (RAG) enhances large language models with external knowledge, and tree-based RAG organizes documents into hierarchical indexes to support queries at multiple granularities. However, existing Tree-RAG methods…

机器学习 · 计算机科学 2026-05-04 Ziwen Zhao , Menglin Yang
‹ 上一页 1 2 3 10 下一页 ›