PathRank: a novel node ranking measure on a heterogeneous graph for recommender systems.
Sangkeun LeeSungchan ParkMinsuk KahngSang-goo LeePublished in: CIKM (2012)
Keyphrases
- betweenness centrality
- recommender systems
- graph structure
- complex networks
- directed graph
- shortest path
- collaborative filtering
- social networks
- evaluation measures
- random walk
- implicit feedback
- link analysis
- user feedback
- nodes of a graph
- markov random walk
- similarity measure
- ranking algorithm
- undirected graph
- web graph
- preference learning
- user profiling
- user preferences
- similarity scores
- path length
- user model
- finding the shortest path
- ranking list
- mutual reinforcement
- overlapping communities
- diversity measures
- edge weights
- user modeling
- graph theory
- ranking functions
- matrix factorization
- learning to rank
- scoring function
- spanning tree
- structured data
- root node
- weighted graph
- tree structure
- user profiles
- information retrieval