Multi-Resolution Diffusion for Privacy-Sensitive Recommender Systems.

Derek Lilienthal Paul Mello Magdalini Eirinaki Stas Tiomkin

Published in: CoRR (2023)

Keyphrases

recommender systems
multiresolution
privacy sensitive
privacy preserving
medical data
collaborative filtering
wavelet transform
diffusion process
user profiles
matrix factorization

hierarchical representation
user profiling
anisotropic diffusion
user preferences
diffusion processes
trust aware
information filtering
image fusion
recommendation quality
cold start problem

nonlinear diffusion
medical images
subband
personalized recommendation
information overload
user model
wavelet domain
wavelet coefficients
user modeling
data sparsity

diffusion model
neural network
coarse to fine
coarse to fine strategy
image processing
data mining
implicit feedback
recommendation systems
multiscale
personal preferences