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Re: ORG and reuse of vCard Ontology

From: Renato Iannella <ri@semanticidentity.com>
Date: Wed, 8 May 2013 12:50:40 +1000
Message-Id: <44B123A6-383A-43B9-81B8-6E537A0081F0@semanticidentity.com>
To: Dave Reynolds <dave.e.reynolds@gmail.com>, "public-gld-wg@w3.org" <public-gld-wg@w3.org>
Dave, et al....

As I am not a member of the GLD-WG, then I can only provide my views for this WG to make decisions...I would also hope technical/semantic architectural  issues take precedence over "deadlines".

First, I was going to make comments by the LC Date, but due to our own semantic issues with the new vCard WD, we missed your dates.

Second, I was a little mislead (my mistake) with the vcard:VCard box in the diagram in Section 1.0, and VCARD appearing in the Normative References in the C.1. I assume the latter should be moved to C.2 (and [FOAF] should be moved from C.2 to C.1 as it is actually Normative?). And perhaps the vcard:VCard box in the diagram should be empty.

Third, and here comes my stronger view, reuse of ontologies is very rare, as it is "so easy" to create your own semantics. I would like to see W3C reuse more, and I note your Charter does the right thing:

"The group will have to determine whether it is better to reuse existing widely-deployed terms such as foaf:name and dc:temporal, in their existing name space, or mint new URIs in a w3.org name space. Even if the group decides to mint new URIs, it should link them to equivalent concepts (using, for example, owl:equivalentProperty links) unless there are strong reasons not to."

Will you be adding equivalent properties?

Fourth (semantic comment), I note that foaf:Agent is specifically used for "persons" in your ontology - I assume you are aware that the semantics of foaf:Agent is much broader; "An agent (eg. person, group, software or physical artifact)".

Fifth (and here comes the vCard plug to consider), the updated vCard now provides much more cleaner semantics when it comes to people, orgs, locations, and groups. So, for example, v:Individual would be a good candidate for a "person", and v:Organization = org:Organisation, and v:Location for org:Site.

Renato Iannella
Semantic Identity
Mobile: +61 4 1313 2206
Received on Wednesday, 8 May 2013 02:50:48 UTC

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