Keyphrases
- xml schema
- document centric
- xml documents
- semi structured documents
- structure of xml documents
- document type definitions
- semantic information
- semantic relationships
- xml data
- data exchange
- conceptual model
- relational databases
- source schema
- xml databases
- schema mappings
- xml queries
- regular expressions
- target schema
- markup language
- metadata
- extensible markup language
- domain ontology
- integrity constraints
- conceptual schemas
- structured data
- query language
- knowledge representation
- data mining
- special features
- data model
- conceptual schema
- semantic web
- information retrieval
- keyword search
- databases
- query processing
- text mining
- keywords
- heterogeneous data
- semi structured data
- query evaluation
- functional dependencies
- database
- definition language
- xpath expressions
- document collections
- contextual information
- data management
- domain specific
- object oriented