Short presentation given to OAI ORE Technical Committee meeting, Columbia University, New York City, Thursday 11 January 2007. Outlines a model of resources and their relationships to support the core repository functions and a (very tentative!) suggestion for how those core repository functions might be delivered using HTTP.

1. A Resource-Oriented Approach to the Repository OAI ORE Technical Committee Meeting, New York City

11. Methods: Collection i.e. add Object to Collection (Note: also adds a Representation of the Object) Object Format Post i.e. get Collection details (including list of Objects in Collection) i.e. get list of content-types (and URIs?) of Representations of Collection XHTML Collection Format ?List Representations Format Get

12. Methods: Object Aside: Could be extended to cover creation of e.g. Object isComponentOf Object relations i.e. add Representation of Object (Representation Format) ?Post i.e. get Object details (including list of component Objects, list of Objects from which derived) i.e. get list of content-types (and URIs?) of Representations of Object XHTML Object Format ?List Representations Format Get

13. Methods: Representation i.e. get Representation of Object (Representation Format) ?Get

14. Response Codes: Collection 201 Created 400 Bad Request 401 Unauthorized 415 Unsupported Media Type Object Format Post 200 OK 200 OK XHTML Collection Format ?List Representations Format Get

15. Response Codes: Object 201 Created 400 Bad Request 401 Unauthorized ?415 Unsupported Media Type (Representation Format) ?Post 200 OK 200 OK XHTML Object Format ?List Representations Format Get

16. Response Codes: Representation 200 OK (Representation Format) ?Get

23. A Resource-Oriented Approach to the Repository OAI ORE Technical Committee Meeting, New York City