Object-Oriented Persistence Abstraction

• inheritance
• bidirectional relationships
• mixin types (versionable, linkable, commentable, taggable, ...)
• compound values (association classes)
• integrated query API

"rich" schema:

• multilingual labels for properties and relationship roles
• attribute & role validation
• derived values (interception)
• cascading delete
• integrated fulltext search

• database independece

• access protection

• HTML fulltext properties with link checking

Web Visualization

• restricted: strict model-view separation
• consistency between the dynamic Java code and the HTML-templates can be checked automatically
• integration with the data model enables navigation and consistency checking
• themeable application areas