Keyphrases
- xml views
- relational databases
- relational data
- incremental maintenance
- xml documents
- query rewriting
- data exchange
- xml queries
- xml data
- semi structured data
- xpath queries
- binary data
- materialized views
- relational schema
- databases
- normal form
- object oriented
- relational model
- sql queries
- xml databases
- data sets
- xml schema
- query answering
- query optimization
- spatial databases
- entity relationship
- structured data
- management system
- search engine