- The XML Schema is externally annotated in RDF
- Metadata are also stored in the system objects.
- RDF description can be imported in the system.
- The system can export RDF annotation
- A component allows to add metadata to the system
- The user can browse the structure and formulate the
- For each element/attribute the system knows and can
show to the user:
- The query is prepared in a general format, can be
mapped onto different search engines