Keyphrases
- xml schema
- xml data
- xml documents
- data model
- metadata
- xpath queries
- semistructured data
- databases
- extensible markup language
- semi structured data
- document centric
- markup language
- xml data sources
- data transformation
- hierarchical data
- information extraction
- data integration
- data collections
- semi structured
- relational schema
- automatic extraction
- xml databases
- conceptual model
- data exchange
- relational databases
- information retrieval
- database
- integrity constraints
- definition language
- schema mappings
- xml format
- object oriented
- path expressions
- schema matching
- content and structure
- relational database systems
- database objects
- xpath expressions
- database tables
- topic maps
- database schema
- keyword search
- relational data
- schema evolution
- xml queries
- sql queries
- xml views
- query evaluation
- database design
- structured data
- database management systems
- query language
- database systems
- data interchange