Keyphrases
- linear programming
- databases
- data model
- xml schema
- higher order
- natural language
- database
- context free grammars
- database schema
- objective function
- natural language processing
- dependency parsing
- pattern matching
- linguistic analysis
- context free
- semantically enriched
- xml data
- query language
- optimal solution
- penn treebank
- word order
- algorithm for linear programming
- graph grammars
- primal dual
- theorem prover
- hierarchical structure
- data sources