Action decide Data Model with respect to Fedora 3

Assigned

KFC + ABR + EK

Prev assigned

Tasks adressed

["TaskA.2.2"],["TaskA.2.1"]

Time estimated

8md

Time used

3.5md

Priority

6

Status

In progress

Iteration

11

Notes

The Fedora 3 Data Model seems to indicate a different datamodel to what we expected, and this has impact on how we should define the final DOMS data model. This needs to be decided, and soon, so Mjølner knows how our final datamodel looks.

The issues we have identified so far:

• Inheritance is not implemented, but two equally useful ways present themselves. Choosing the one that Fedora will use will help our system gain acceptance.
• Arbitrary xml in DS-COMPOSITION, instead of SCHEMABINDINGS
• rdf:type and a OWL Full to describe the relationsship model
• Policy Relationships
• The schemas for the Base objects datastreams must be decided and formalised.

The purpose of this action is to establish how key concepts, mainly inheritance, should be implemented, and formalise the DOMS base collection. We should start manipulating the Fedora developers into accepting our wishes, mainly by emails to their mailinglists.

The product should be a datamodel description, and the foxml object for the Base collection.

Progress

DS-COMPOSITE

We use DS-COMPOSITE to store arbitrary metadata, as proposed. Fedora does not choke on it, and preserves it faithfully.

DOMS owl ontology

The Fedora OWL ontology system we will use have been defined in FedoraOntology. It lacks review.

TODO

The TODO list from [:ActionDataModelTDRRequirements:] has been added to [:TaskA.2.3AnalysisDocument:].

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