Revisiting Item Promotion in GNN-based Collaborative Filtering: A Masked Targeted Topological Attack Perspective.

Yongwei Wang Yong Liu Zhiqi Shen

Published in: CoRR (2022)

Keyphrases

collaborative filtering
collaborative filtering recommendation algorithm
user preferences
user ratings
personalized recommendation
cold start problem
making recommendations
recommender systems
item recommendation

latent factor models
pearson correlation coefficient
hybrid recommendation
recommendation algorithms
matrix factorization
user similarity
item based collaborative filtering
data sparsity

rating prediction
probabilistic matrix factorization
deal with information overload
active user
cold start
recommendation quality
topological properties
power analysis

collaborative filtering algorithms
demographic information
collaborative recommendation
user specific
countermeasures
recommendation systems
connected components
transfer learning