Keyphrases
- higher order
- high order
- pairwise
- decision trees
- natural images
- tree structure
- lower order
- tree structures
- tree construction
- markov random field
- conditional random fields
- rewrite rules
- machine learning
- markov models
- database
- query rewriting
- binary trees
- labeled trees
- termination analysis
- query answering
- tree models
- conjunctive queries
- data sets