Keyphrases
- xml documents
- object oriented
- web services
- service providers
- relational databases
- xml data
- xml schema
- data integration
- case study
- markup language
- programming language
- keyword search
- xpath queries
- management system
- data model
- database
- real world
- databases
- xml queries
- xml format
- xml databases
- data types
- source code
- information retrieval systems
- metadata