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Architecture Working Group Wiki

Chair:	AndyPowell, Eduserv Foundation
Status:	This working group is currently active.
Established:	2000-10-06
Charter:	The objectives of the working group are to discuss and develop a model, strategy and roadmap for the practical deployment of Dublin Core metadata using mainstream Web technologies (XML/RDF/XHTML).

IMPORTANT: Do not cite materials in this Wiki other than for the purposes of collaborating on document creation. This Wiki is intended to be used to work on draft copies of documents. Finished documents will be published, in a persistent and citable form, on the DCMI Web site (or elsewhere in some cases).

Please announce any changes to this Wiki via the DC-ARCHITECTURE@jiscmail.ac.uk list.

Workplan

Develop a short document for RDF implementors, clarifying the resource vs. literal string value issue and providing advice on best practice.
Consider possible RDF encoding changes (in light of above issue), carry out an impact analysis and make recommendations.
Finalise the provision of a persistent URI for the latest version of our XML schemes.
Develop an XML binding for Dublin Core metadata which supports all (or a substantial subset) of the features of the DCMI Abstract Model. Revise DCMI XML schemas accordingly.
Finalise revisions to the Namespace Policy for the Dublin Core Metadata Initiative (DCMI) to align use of terminology with other DCMI recommendations.
Evaluate use of GRDDL as mechanism for transforming arbitrary DC/XML documents into RDF (DCMI Abstract Model).
Monitor W3C developments for encoding RDF in XHTML and revise current DC/XHTML guidelines as necessary.
Develop abstract model of 'DC application profiles'.
Consider developing a representation of the DCMI Box, Period and Point encoding schemes using the DCMI Abstract Model.

Progress

The first two work items above are being undertaken by the DCRDFTaskforce. See the taskforce's wiki for an up to date snapshot of the status of the associated documents.

Pete Johnston has been working on the two work items associated with the XML encoding guidelines. A summary of the current situation w.r.t. URIs for DCMI's XML schemas is available here with agreement being to move forward on the basis of proposal 1(b).

A revised DRAFT DCMI NamespacePolicy has been drafted.

Work on the final four work items (GRDDL, RDF in XHTML, DC application profile model, and Box/Period/Point) has not yet started.

Documents and resources under construction

The working group (or taskforce) is currently working on the following documents:

The group is also maintaining a list of issues and possible changes to the DCMI Abstract Model:

Issues with (and suggested changes to) the DCMI Abstract Model

Published/stable documents and resources

Taskforces

The DC RDF Taskforce is addressing the first two bullet points above.

Meetings

DC-2005, Madrid

DC Architecture session presentations:

Andy Powell - Introduction, namespace policy, XML guidelines, workplan for next year: Powerpoint
Pete Johnston - XML and the DCMI Abstract Model: Paper (HTML) Presentation (Powerpoint) Presentation (HTML)