Unsupervised Learning of Graph Hierarchical Abstractions with Differentiable Coarsening and Optimal Transport.
Tengfei MaJie ChenPublished in: AAAI (2021)
Keyphrases
- unsupervised learning
- supervised learning
- graph partitioning
- dynamic programming
- high level
- minimum spanning tree
- graph representation
- graph model
- weighted graph
- graph theory
- dimensionality reduction
- worst case
- object recognition
- machine learning
- structured data
- closed form
- directed graph
- graph structure
- directed acyclic graph
- undirected graph
- objective function
- training data