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The Fedora Project Where we’ve been and where we’re going

The Fedora Project Where we’ve been and where we’re going. Mellon OS Retreat March 2005. Sandy Payette Cornell University. First… a quick review of the architecture. Fedora Repository Service. rdbms. files. RDF. Fedora Digital Object Model. Component View. Digital object identifier.

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The Fedora Project Where we’ve been and where we’re going

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  1. The Fedora ProjectWhere we’ve been and where we’re going Mellon OS Retreat March 2005 Sandy Payette Cornell University

  2. First… a quick review of the architecture

  3. Fedora Repository Service rdbms files RDF

  4. Fedora Digital Object Model Component View Digital object identifier Persistent ID ( PID ) Relations (RELS-EXT) Reserved Datastreams Key object metadata Dublin Core (DC) Audit Trail (AUDIT) Datastream Datastreams Set of content or metadata items Datastream Disseminators Pointers to service definitions to provide service-mediated views Default Disseminator Disseminator

  5. “Fedora Inside” Known Use Cases • Digital Library Collections • Institutional Repository • Educational Software • Information Network Overlay • Digital Archives and Records Management • Digital Asset Management • File Cabinet / Document Management • Scholarly publishing

  6. Fedora – where we’ve been(versions 1.2 – 2.0) • FOXML (Fedora Object XML) • Simple XML format directly expresses Fedora object model • Easily adapts to Fedora new and planned features • Easily translated to other well-known formats • Enhanced Ingest/Export of objects • FOXML, METS (Fedora extension) • Extensible to accommodate new XML formats • Planned: METS 1.4, MPEG21 DIDL

  7. Fedora 1.2 - 2.0 (continued) • Object-to-object Relationships • Ontology of common relationships (RDF schema) • Relationships stored in special datastream (RELS-EXT) • Resource Index (RI) • RDF-based index of repository (Kowari triple-store) • Graph-based index includes: • Object properties and Dublin Core • Object Relationships • Object Disseminations • RI Search • Powerful querying of graph of inter-related objects • REST-based query interface (using RDQL or ITQL) • Results in different formats (triples, tuples, sparql)

  8. Fedora Digital Objects Resource Index View

  9. Fedora 1.2 - 2.0 (continued) • New Utilities • Batch Modify Utility • Repository Administrator Reporting • Performance Tuning (~1 million objects) • Ingest testing (800K objects; 40 millisec/object) • Concurrency testing (access requests) • Communications and Outreach • New Fedora Web Site • Improved Documentation • Tutorials

  10. Fedora 2.1 (May 2005) • Authentication plug-ins • HTTP basic authentication and SSL • Plug-in #1 : Tomcat user/password file/db • Plug-in #2 : LDAP tie-in • Plug-in #3 : Radius Authentication • Authorization module • XML-based policies using XACML • Fine-grained policy enforcement (API actions X subject attrs X object attrs) • Repository-wide policies • Object-specific policies • Policy Builder Client • New Services …

  11. Fedora Service Framework(Year 1 - starting v2.1)

  12. Fedora Service Framework(Year 2)

  13. Fedora Service Framework(Year 3)

  14. Other Planned Work • Fedora Showcase and Contributed Tools (website) • Object Creation • “Content Model” Specification Language • Advanced Workbenches • Workflow engine • Tools for RDF browse and graph traversal • Performance Tune – millions of objects • Web services security and Shibboleth • Code Refactoring • Fedora web app (.war) • MVC2 pattern for REST-based web exposures • Other misc.

  15. Fedora Development Process • Core Development Team (10 dev+lead) • Cornell University • University of Virginia • Eclipse IDE • GForge and CVS (at Cornell) • Communications • fedora-dev, codewatch, users email lists • Bugzilla • Full Team call (1X/week) • Technical design/dev call (1X/week) • Full Team meeting (2X/year)

  16. Fedora Development Consortium • Advisory Board • University of Virginia • Tufts • VTLS • ARROW (Monash University and Nat’l Lib Australia) • Harris Corp. • Danish Royal Library and DTU • Northwestern University • NSDL – Core Integration • Mission • Requirements Definition, Specifications. Joint Development • Commission of Working Groups • Content Modeling • Outreach and Education • Workflow and Service-Oriented Processes • Recommendation for Long-Term sustainability model • Governance and Funding • Set Fedora Free – full open source model (e.g., public SourceForge) • Code Maintenance (UVA until 2012; plan for beyond)

  17. Recent News • Downloads ~20K; 52 countries • Growth – lots of new interest • Fedora Users Conference (May 13-14) • Interesting new adopters • OhioLink • DISA (South Africa history) • Interesting new proposals • Company X finalist for large government contract • Cornell Lab of Ornithology (data + tools + documents) • Recent Article • XML CoverPages http://xml.coverpages.org/ni2005-03-18-a.html

  18. Selected Fedora Adopters • University of Virginia • VTLS • Tufts University • OhioLink • Northwestern: Library and Academic Technologies • National Science Digital Library (NSDL): Core Integration • ARROW: National Library of Australia and Monash University • Royal Library Denmark, National Library, and DTU • Rutgers University • Indiana University • American Geophysical Union • Library of Congress: I Hear America Singing • University of Delaware • Hamilton College • Cornell CIT • Tibetan Buddhist Resource Center • Yale University • DISA – South Africa, History of Apartheid resistance

  19. New Fedora Web Site!www.fedora.info

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