- Structural
- inherent to the specific item
- easy implementation
- extensional links
- Associative
- high value
- enable to put info in the right spatio-temporal context
- high number, driven by many different
associatice mechamism
- intensional links
- can be implemented via a "conceptual level"
- user can navigate from the "data level" up to the "conceptual level" and viceversa
- both levels navigable
Some links are more equal than others
