中文
相关论文

相关论文: Graph Based Semi-supervised Learning with Convolut…

200 篇论文

In several domains obtaining class annotations is expensive while at the same time unlabelled data are abundant. While most semi-supervised approaches enforce restrictive assumptions on the data distribution, recent work has managed to…

机器学习 · 统计学 2017-10-11 Martin Trapp , Tamas Madl , Robert Peharz , Franz Pernkopf , Robert Trappl

Recently there has been increased interest in semi-supervised classification in the presence of graphical information. A new class of learning models has emerged that relies, at its most basic level, on classifying the data after first…

机器学习 · 计算机科学 2022-02-07 Aseem Baranwal , Kimon Fountoulakis , Aukosh Jagannath

Self-supervised learning is currently gaining a lot of attention, as it allows neural networks to learn robust representations from large quantities of unlabeled data. Additionally, multi-task learning can further improve representation…

机器学习 · 计算机科学 2020-12-07 Franco Manessi , Alessandro Rozza

Labeled data used for training activity recognition classifiers are usually limited in terms of size and diversity. Thus, the learned model may not generalize well when used in real-world use cases. Semi-supervised learning augments labeled…

机器学习 · 计算机科学 2018-01-25 Ming Zeng , Tong Yu , Xiao Wang , Le T. Nguyen , Ole J. Mengshoel , Ian Lane

For many applications the collection of labeled data is expensive laborious. Exploitation of unlabeled data during training is thus a long pursued objective of machine learning. Self-supervised learning addresses this by positing an…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Xialei Liu , Joost van de Weijer , Andrew D. Bagdanov

This article addresses the problem of classification method based on both labeled and unlabeled data, where we assume that a density function for labeled data is different from that for unlabeled data. We propose a semi-supervised logistic…

机器学习 · 统计学 2014-02-20 Shuichi Kawano

Traditional post-disaster assessment of damage heavily relies on expensive GIS data, especially remote sensing image data. In recent years, social media has become a rich source of disaster information that may be useful in assessing damage…

计算机视觉与模式识别 · 计算机科学 2018-06-20 Xukun Li , Huaiyu Zhang , Doina Caragea , Muhammad Imran

Labeled data is a critical resource for training and evaluating machine learning models. However, many real-life datasets are only partially labeled. We propose a semi-supervised machine learning training strategy to improve event detection…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Florian Dubost , Erin Hong , Nandita Bhaskhar , Siyi Tang , Daniel Rubin , Christopher Lee-Messer

Graph-based semi-supervised learning has proven to be an effective approach for query-focused multi-document summarization. The problem of previous semi-supervised learning is that sentences are ranked without considering the higher level…

计算与语言 · 计算机科学 2014-01-03 Jiwei Li , Sujian Li

The goal in semi-supervised learning is to effectively combine labeled and unlabeled data. One way to do this is by encouraging smoothness across edges in a graph whose nodes correspond to input examples. In many graph-based methods, labels…

机器学习 · 计算机科学 2018-02-28 Nir Rosenfeld , Amir Globerson

Deep neural networks produce state-of-the-art results when trained on a large number of labeled examples but tend to overfit when small amounts of labeled examples are used for training. Creating a large number of labeled examples requires…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Attaullah Sahito , Eibe Frank , Bernhard Pfahringer

Overconfidence is a common issue for deep neural networks, limiting their deployment in real-world applications. To better estimate confidence, existing methods mostly focus on fully-supervised scenarios and rely on training labels. In this…

机器学习 · 计算机科学 2023-07-21 Chen Li , Xiaoling Hu , Chao Chen

The success of graph neural networks on graph-based web mining highly relies on abundant human-annotated data, which is laborious to obtain in practice. When only few labeled nodes are available, how to improve their robustness is a key to…

机器学习 · 计算机科学 2022-12-13 Kaize Ding , Elnaz Nouri , Guoqing Zheng , Huan Liu , Ryen White

The remarkable success of today's deep neural networks highly depends on a massive number of correctly labeled data. However, it is rather costly to obtain high-quality human-labeled data, leading to the active research area of training…

机器学习 · 计算机科学 2020-11-04 Jiacheng Wang , Yue Ma , Shuang Gao

Graphs are pervasive in the real-world, such as social network analysis, bioinformatics, and knowledge graphs. Graph neural networks (GNNs) have great ability in node classification, a fundamental task on graphs. Unfortunately, conventional…

机器学习 · 计算机科学 2024-09-05 Quan Li , Tianxiang Zhao , Lingwei Chen , Junjie Xu , Suhang Wang

Graphs are present in many real-world applications, such as financial fraud detection, commercial recommendation, and social network analysis. But given the high cost of graph annotation or labeling, we face a severe graph label-scarcity…

机器学习 · 计算机科学 2022-08-08 Zhen Tan , Kaize Ding , Ruocheng Guo , Huan Liu

We consider the problem of classifying a medical image dataset when we have a limited amounts of labels. This is very common yet challenging setting as labelled data is expensive, time consuming to collect and may require expert knowledge.…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Marianne de Vriendt , Philip Sellars , Angelica I Aviles-Rivero

Graph-based semi-supervised learning usually involves two separate stages, constructing an affinity graph and then propagating labels for transductive inference on the graph. It is suboptimal to solve them independently, as the correlation…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Qilin Li , Senjian An , Ling Li , Wanquan Liu

Real-time social media data can provide useful information on evolving hazards. Alongside traditional methods of disaster detection, the integration of social media data can considerably enhance disaster management. In this paper, we…

社会与信息网络 · 计算机科学 2023-01-31 Elena-Simona Apostol , Ciprian-Octavian Truică , Adrian Paschke

Neural networks have been successfully used as classification models yielding state-of-the-art results when trained on a large number of labeled samples. These models, however, are more difficult to train successfully for semi-supervised…

机器学习 · 计算机科学 2021-09-13 Attaullah Sahito , Eibe Frank , Bernhard Pfahringer