PIECK

Preventing the Popular Item Embedding Based Attack in Federated Recommendations

Requirements

PyTorch
NumPy

Files

MF-FRS/DL-FRS

parese.py: Hyperparameter setting for PIECK.
attack.py: malicious users
client.py: benign users & benign users with defense
server.py: server aggregation and defense
defense.py: federated defenses
data.py: data process
evaluate.py: ER@K & HR@K
main: Core code for PIECK, Logic, and interaction throughout the pipeline.

Usage

Download ML-100K, ML-1M, and AZ datasets or Execute the program default download;
Set parameters in parese.py;
Execute main.py to run the PIECK.