Keyphrases
- xml databases
- international conference
- relational databases
- database
- xml data
- xml documents
- efficient storage
- xml queries
- relational database management systems
- relational database systems
- databases
- semi structured data
- semi structured
- keyword search
- data model
- query language
- xpath queries
- query patterns
- extensible markup language
- database systems
- computer science
- xml fragments
- database management systems
- xml query processing
- xml schema
- metadata
- structured data
- join algorithms
- artificial intelligence
- relational data
- labeling scheme
- object oriented
- international symposium
- twig queries
- data exchange
- relational model
- query processing
- data storage
- functional dependencies