Keyphrases
- higher order
- natural images
- high order
- pairwise
- markov random field
- decision trees
- tree structures
- queries using views
- rewriting rules
- lower order
- tree models
- databases
- tree nodes
- rewrite rules
- low order
- query rewriting
- conditional random fields
- tree patterns
- leaf nodes
- conjunctive queries
- xml documents
- image segmentation
- neural network
- labeled trees
- data sets