JAM: Joint Action Matrix Factorization for Summarizing a Temporal Heterogeneous Social Network.
Yu-Ru LinHari SundaramAisling KelliherPublished in: ICWSM (2009)
Keyphrases
- matrix factorization
- joint action
- social networks
- collaborative filtering
- recommender systems
- low rank
- social network analysis
- missing data
- negative matrix factorization
- factor analysis
- item recommendation
- factorization methods
- nonnegative matrix factorization
- data sparsity
- stochastic gradient descent
- multiagent reinforcement learning
- social media
- tensor factorization
- cooperative
- probabilistic matrix factorization
- machine learning
- personalized ranking