Message passing neural networks operate on
graph-structured data, aggregating neighbor information iteratively.
Message Passing
- Compute messages from neighbors
- Aggregate (sum, mean, attention)
- Update node embeddings
Layer Colors
- Layer 0 - Initial features
- Layer 1 - 1-hop neighbors
- Layer 2 - 2-hop neighbors
Interactions
- Click nodes for embedding info
- Click edges for weight info
- Click center for readout