Junshuai-Song / Data-poisoning-attacks-on-factorization-based-collaborative-filtering

Data poisoning attack of recommend system using the algorithm of MF.

Data-poisoning-attacks-on-factorization-based-collaborative-filtering

Reference

• "Data poisoning Attack on Factorization-Based Collaborative Filtering" NIPS 2016
• Github respository : "recommend"
• Github respository : "movielens"

Illustration

• ALS_optimize.py: compute optimize solution using malicious data and normal data.
• ALS_optimize_old.py: compute optimize solution only using normal data.
• compute_grad.py: compute two parts of gradient using the formulations in the paper.
• dataset.py: functions of load dataset and build user item matrix.
• evaluation.py: predict data and compure RMSE
• main.py: the implement of PGA