Improving random walk rankings with feature selection and imputation Science4cast competition, team Hash Brown.
Ngoc Mai TranYangxinyu XiePublished in: IEEE BigData (2021)
Keyphrases
- random walk
- feature selection
- markov chain
- text categorization
- directed graph
- missing values
- transition probabilities
- missing data
- link prediction
- transition probability matrix
- multi db
- flow graph
- stationary distribution
- feature space
- markov random walk
- learning algorithm
- text classification
- graph laplacian
- web graph
- hash functions
- b tree