Adaptive Crawling in Online Social Networks: a Matrix Factorization Based Approach.
Tianyi PanXiang LiPublished in: SocialSec (2018)
Keyphrases
- matrix factorization
- online social networks
- social networks
- collaborative filtering
- nonnegative matrix factorization
- recommender systems
- low rank
- missing data
- factor analysis
- data sparsity
- negative matrix factorization
- network structure
- social media
- social networking
- social relationships
- factorization methods
- social ties
- social networking sites
- social relations
- tensor factorization
- item recommendation
- search engine
- user activity
- stochastic gradient descent
- probabilistic matrix factorization
- social network analysis
- web pages