Keyphrases
- xml documents
- semantic web
- xml data
- topic maps
- data exchange
- databases
- metadata
- knowledge base
- xml format
- xml schema
- markup language
- xml queries
- domain ontology
- domain knowledge
- domain specific
- xml databases
- semantically enhanced
- semantic annotation
- relational data
- relational databases
- filtering algorithm
- data model
- owl ontologies
- database
- knowledge representation
- xml retrieval
- ontology mapping
- interchange format
- adaptive filtering
- semantic web technologies
- object oriented
- semi structured data
- filtering method
- conceptual structures
- ontology construction
- semi structured