Keyphrases
- feature space
- kernel methods
- kernel regression
- term mismatch
- query expansion
- support vector
- kernel space
- kernel function
- component analysis
- information retrieval
- kernel density estimation
- kernel pca
- kernel matrix
- language model
- reproducing kernel hilbert space
- multiple kernel learning
- positive definite
- string kernels
- input space
- multiple kernel
- database