Understanding Virtual Nodes: Oversmoothing, Oversquashing, and Node Heterogeneity.
Joshua SouthernFrancesco Di GiovanniMichael M. BronsteinJohannes F. LutzeyerPublished in: CoRR (2024)
Keyphrases
- directed graph
- graph structure
- neighboring nodes
- intermediate nodes
- node selection
- root node
- shortest path
- shortest distance
- virtual environment
- network nodes
- undirected graph
- destination node
- virtual world
- virtual reality
- tree nodes
- hidden nodes
- wireless sensor networks
- mobile nodes
- leaf nodes
- finding the shortest path
- nodes of a graph
- source node
- malicious nodes
- topology control
- network topologies
- heterogeneous social networks
- small world networks
- centrality measures
- neural network
- path length
- minimum cost
- network structure
- tree structure
- social network analysis
- bayesian networks
- decision trees