Open Source Operating System

1. The Fedora Project

7. Persistent ID ( PID ) Disseminators System Metadata Datastreams Globally unique persistent id Public view : access methods for obtaining “disseminations” of digital object content Internal view : metadata necessary to manage the object Protected view : content that makes up the “basis” of the object Digital Object Model Architectural View

8. Persistent ID ( PID ) Default Disseminators Simple Image System Metadata Datastreams Digital Object Model Example Disseminators Get Profile List Items Get Item List Methods Get DC Record Get Thumbnail Get Medium Get High Get VeryHigh

9. Data Object Web Service Object Behavior Contracts behavior contract behavior subscription data contract Behavior Mechanism Object Behavior Definition Object Persistent ID (PID) Behavior Definition Metadata System Metadata Datastreams Persistent ID (PID) Service Binding Metadata (WSDL) System Metadata Datastreams Persistent ID (PID) Disseminators Datastreams System Metadata

10. DEMO: Basic Use Cases Image (multiple datastreams) Image (Mr. SID) EAD (Rita Mae Brown papers) Text conversion (TEI to PDF) Basic Search

12. Managers have direct access to each component of a data object.

14. Fedora Repository System Client and Web Service Interactions Fedora Repository System Content Transform Service Content Transform Service user Web Service Dispatch Web Service Service Service Backend Frontend client application client application web browser user

16. Fedora Repository System

19. DEMO: Basic Use Cases Image (multiple datastreams) Image (Mr. SID) EAD (Rita Mae Brown papers) Text conversion (TEI to PDF) Basic Search

24. End