notes for Cornell talk

1. Models, Types, and Mix-Ins
Interpreting NCore for Fedora 3.x at
Columbia

2. Fedora 3 CMA
CONTENT MODELS

3. Content Models Do

4. Content Models Don’t

5. How to model Heterogeneous or
Complex Content?

6. Fedora 3 CMA
NCORE-INSPIRED OBJECT TYPES

7. Recap of NCore types and rels
• Usage of nsdl:annotates
• Addition of rel:objectType

8. Aggregator
As Content Model As service
• Core Data Streams • Common interface
– DC – listMembers
– RELS – getDescriptions
• Implementations that share – rmap
service interfaces and
relationships
– Objects of <memberOf> that
implement Aggregator sdef
– BagAggregator, StructuredAgg
regator

9. Fedora 3 CMA
TYPE

10. Type is form, content, and
behavior

11. Type is tricky to express in CMA

12. Attempting Typed Content
Models
Data Model Diagram

13. Questions