- From: Peter F. Patel-Schneider <pfpschneider@gmail.com>
- Date: Thu, 11 Dec 2014 09:51:13 -0800
- To: kcoyle@kcoyle.net, RDF Data Shapes Working Group <public-data-shapes-wg@w3.org>
On 12/11/2014 08:27 AM, Karen Coyle wrote: > > > On 12/11/14 8:10 AM, Peter F. Patel-Schneider wrote: > [...] >> >>> Checking the IRIs >>> by Karen Coyle >>> Europeana aggregates metadata about cultural heritage objects from >>> hundreds of >>> libraries, archives and museums. The incoming data needs to be thoroughly >>> checked for accuracy. Among these checks are those on IRIs as values, >>> which >>> can vary depending on the property. Briefly, the checks are >>> 1) the IRI must resolve, i.e. http status code = 2XX >>> 2) the IRI value must return a media object of a given type (e.g. >>> based on >>> list of MIME types) >>> 3) the IRI value must return an object which is of the rdf:type >>> SKOS:Concept >> >> I am uncomfortable including this kind of checking, although I do see >> that it has uses. One issue here is that the results of the checks are >> all ephemeral. > > > Don't know what you mean by ephemeral here. Knowing that an IRI resolves seems > like an obvious check, to me, when receiving data from a third party whose > output isn't terribly trustworthy (which in our case it often isn't). The > other two are still under discussion, but are actual validations from current > applications. The results of this checking depend on the state of the web at the time of the check. They could change at any time, even due to communications difficulties. peter
Received on Thursday, 11 December 2014 17:51:47 UTC