Keyphrases
- xml documents
- xml data
- xml databases
- data model
- markup language
- xml format
- digital signature
- xml schema
- signature verification
- xml queries
- semi structured
- data integration
- object oriented
- semi structured data
- relational data
- relational databases
- metadata
- semi structured documents
- document centric
- xml query processing
- database
- twig queries
- content and structure
- data transformation
- xpath queries
- data retrieval
- topic maps
- object oriented databases
- keyword search
- data exchange
- structured data