Keyphrases
- xml documents
- xml data
- xml schema
- xml databases
- data model
- database
- markup language
- relational data
- data exchange
- signature verification
- metadata
- relational databases
- xml format
- databases
- data transformation
- semi structured data
- signature recognition
- object oriented
- xml queries
- xml retrieval
- relational database management systems
- xpath queries
- object oriented databases
- structured data
- document structure
- website
- real time