DAM-SE: A Blockchain-Based Optimized Solution for the Counterattacks in the Internet of Federated Learning Systems

Table 1

Symbols table.

Symbol	Paraphrase
W	The entire collection of workers
i	Worker's index
e	Index of each round
a	The number of top model updates selected by the staff in the next round
K	Total number of workers participating in task t
C	Percentage of workers per round
k	Number of workers selected in each round,
	Data set owned by worker i in round e
B	Batch size in deep learning
η	Learning rate in deep learning
s	The security value
	Number of clusters in federated learning
	Loss function, such as the mean square error in deep learning
	Function to randomly divide data set d into batch B