Keyphrases
- xml documents
- functional dependencies
- integrity constraints
- relational databases
- xml data
- structured data
- data dependencies
- normal form
- relational model
- xml queries
- inclusion dependencies
- xml schema
- xml databases
- semi structured data
- content and structure
- relational data
- conflict free
- data model
- xml information retrieval
- document structure
- set of functional dependencies
- document type
- keyword search
- xpath queries
- sql queries
- database schema
- semi structured
- databases
- labeling scheme
- xml trees
- xml format
- database design
- semantic information
- database systems
- metadata