Simplifying Sparse Expert Recommendation by Revisiting Graph Diffusion.
Vaibhav KrishnaNino Antulov-FantulinPublished in: CoRR (2022)
Keyphrases
- diffusion process
- structured data
- graph representation
- random walk
- collaborative filtering
- gaussian graphical models
- graph structure
- information diffusion
- graph theoretic
- directed graph
- graph model
- weighted graph
- information propagation
- user preferences
- recommender systems
- heterogeneous social networks
- expert knowledge
- sparse data
- undirected graph
- spanning tree
- social networks
- graph theory
- sparse coding
- connected components
- sparse representation
- product recommendation
- anisotropic diffusion
- directed acyclic
- adjacency matrix
- graph kernels
- graph partitioning
- graph matching
- human experts
- domain experts
- similarity measure