SRU Namespaces and Schemas

["Hammond, Tony" <t.hammond@nature.com>]

Title: SRU Namespaces and Schemas

Hi:

We need to be clear about namespaces and schemas in the SRU draft.

Annex D lists (provisional) schemas, but I don't see any mention of namespaces in the document apart from the following hotchpotch used in various examples:

xmlns:srw="http://www.loc.gov/zing/srw/"
xmlns:sru="info:srw/xmlns/1/sru-2-0-v1"
xmlns:srw_dc="info:srw/schema/1/dc-schema"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns=”info:srw/xmlns/1/sru-2-0-diagnostic"
xmlns:auth="info:srw/extension/2/auth-1.0"
xmlns="info:srw/xmlns/1/xcql-2-0-v1”

The online schemas tell another story:

==

SRU 2.0 namespaces are:

http://docs.oasis-open.org/ns/search-ws/sru-2-0-response
http://docs.oasis-open.org/ns/search-ws/sru-2-0-diagnostic
http://docs.oasis-open.org/ns/search-ws/sru-facetedResults
http://docs.oasis-open.org/ns/search-ws/xcql
...

SRU 2.0 schemas are (provisionally) located at:

http://www.loc.gov/standards/sru/oasis/schemas/sru-2-0-response.xsd
http://www.loc.gov/standards/sru/oasis/schemas/diagnostic.xsd
http://www.loc.gov/standards/sru/oasis/schemas/facetedResults.xsd
http://www.loc.gov/standards/sru/oasis/schemas/xcql.xsd
...

==

I prefer to believe the schemas (I have to because that's all we've got).

We need to have a clear section (annex) dealing with namespaces and for namespaces to be used consistently across *all* examples. (Some examples even have no namespaces.) This could be dealt with together with the schemas annex. Might be useful to list all URIs together.

Also, namespaces and schemas are so important that they warrant pride of place. I would have put them into Annex A, or possibly Annex B, bu not tucked away in some arbitrary annex.

Btw, I don't think we should be using "info:" for namespaces. The day is long past. I think the schemas tell the right story.

One curiosity is why "diagnostic" (namespace and schema) is singular whereas "facetedResults" is plural? And then again, why are some namespaces versioned "2-0" and others (e.g. "facetedResults") not versioned?

Cheers,

Tony

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