UNREAL: Unlabeled Nodes Retrieval and Labeling for Heavily-imbalanced Node Classification.
Liang YanShengzhong ZhangBisheng LiMin ZhouZengfeng HuangPublished in: CoRR (2023)
Keyphrases
- unsupervised learning
- active learning
- supervised learning
- class labels
- node selection
- labeling scheme
- directed graph
- machine learning
- classification accuracy
- labeling process
- training set
- class imbalance
- shortest path
- labeled data
- decision trees
- image database
- image classification
- image segmentation
- training data
- relevance feedback
- feature space
- feature selection
- classification algorithm
- labeling effort
- root node
- imbalanced datasets
- neighboring nodes
- imbalanced data
- text classification
- leaf nodes
- undirected graph
- semi supervised learning
- information retrieval systems
- support vector machine
- image retrieval
- support vector
- information retrieval