Keyphrases
- xml schema
- xml data
- data model
- xml documents
- semistructured data
- xpath queries
- extensible markup language
- document centric
- databases
- semi structured data
- data transformation
- relational databases
- xml data sources
- xml queries
- xml databases
- relational schema
- data integration
- semi structured
- schema matching
- regular expressions
- markup language
- database objects
- conceptual schema
- hierarchical data
- definition language
- query language
- xml trees
- xpath expressions
- object oriented databases
- data exchange
- metadata
- database schema
- structured data
- object oriented
- query evaluation
- xml fragments
- xml format
- data types
- relational data
- keyword search
- query processing
- schema evolution
- twig queries
- path expressions
- xml views
- labeling scheme
- integrity constraints
- database management systems
- stored in a relational database
- privacy preserving
- query interface
- conceptual model
- schema mappings
- information integration