Keyphrases
- semantic network
- xml documents
- xml data
- markup language
- databases
- xml format
- xml schema
- semi structured
- relational databases
- data integration
- data model
- xml retrieval
- data exchange
- topic maps
- xml databases
- document centric
- relational data
- metadata
- keyword search
- data representation
- xml queries
- data sources
- twig queries
- data transformation
- extensible markup language
- xml technology
- ranked retrieval
- xpath queries
- semistructured data
- database
- structured data
- domain specific
- object oriented
- domain knowledge