Frequently Asked Questions

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Question 1. How does the server-side know which neighbors node i has?

Answer: The server does not need to know the neighbor nodes. It just needs to calculate the sum of information for each node i.

Question 2. How does the server-side know the weight A_{ij}?

Answer: The weight is calculated on the local client.

Question 3. Does the server need to know the global adjacency matrix?

Answer: No. It only needs to know the belonging of nodes for each client to send the aggregated results to each client.

Question 4. Where is Homomorphic Encryption?

Answer: It is in https://github.com/FedGraph/fedgraph/tree/main