Keyphrases
- relational data
- data model
- relational databases
- xml documents
- xml data
- xml query languages
- relational model
- native xml databases
- data integration
- relational schema
- database language
- object oriented
- xml schema
- data exchange
- xml queries
- markup language
- relational learning
- native xml
- database query languages
- database
- xml query evaluation
- xml databases
- query language
- high level
- xml retrieval
- relational database management systems
- object relational
- semi structured
- xml format
- document centric
- information retrieval
- xpath queries
- entity relationship
- statistical relational learning
- document structure
- data types
- metadata