The need to have a "third-party" (public maybe) system (provided as a service) that enable the maintainance (creation, manage, update, delete) of persistent identifier (URI) for the entities mentioned in the DCAT profile (first of all, like persons and organizations) and available to be used as well for other for entities mentioned in the published opendata datasets (inside the data) in order to supports the reuse of such identifiers in the creation of several independent datasets.
A public ID (URI) naming service indipendent from the specific context.
Component
CodeCategory
improvement
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Maybe to be merged with UI6
For registered organizations (including governments), a pan-european company/VAT-number dereferenceable URI would be nice (and probably already exists in some countries)
Something like opencorporates, but "official" (maybe with the help of EC's http://ec.europa.eu/taxation_customs/vies/ ?)
Of course, this won't solve the issue for non-registered organizations / subdivisions etc.
Not sure about the "persons" part (could be useful outside portals): even if one's "open data support team" is only one person, I'd suggest that contact / mails are to be sent to a general mail addresses.
As Marco said, there is overlap her with UI6 (identifiers for datasets and distributions) but also with UI3 (URIs for organisations).
I suggest we discuss the issue with URIs for datasets and distributions under UI6 and URIs for organisations under UI3.
One of the nice features of URIs is that anyone can mint their own, under their own domain name. Maybe it would make sense to have such a URI service within an organisation, but I am not sure what the business model would be for a third party to mint URIs for others, unless it can be done with VAT numbers or registration numbers or person-ID numbers by a government agency who already maintain (non-URI) identifiers for lots of things (people, organisations, cars, airplanes, boats etc. etc.) -- but probably not for datasets...
But if you are looking for a service where any publisher can create and maintain URIs, services like purl.org and w3id.org might be useful.