Keyphrases
- xml documents
- xml data
- relational databases
- xml queries
- xml schema
- structured data
- data model
- xml information retrieval
- xml databases
- relational data
- integrity constraints
- inconsistent information
- semantic information
- semi structured data
- labeling scheme
- keyword search
- semistructured data
- xpath queries
- sql queries
- database management systems
- content and structure
- xml query processing
- neural network