Keyphrases
- xml schema
- xml data
- databases
- xml documents
- data model
- document centric
- semistructured data
- relational databases
- database
- computationally efficient
- semi structured data
- xml query processing
- relational data
- metadata
- data integration
- hierarchical data
- native xml databases
- xpath queries
- data retrieval
- information retrieval
- data sets