Data range expression for list of uris (in Protégé)

Question

I want to define a data range expression for a data property range that would define that the range is a list of uris, or a string containing a list of uris. Is this possible?

Answer 1

You have at least a few options here, and which is most appropriate will probably depend on other considerations about your domain.

Use multiple property assertions

This is probably the simplest option, if it works for you. If the order of the URIs isn't important, you could simply define a data property that has the range xsd:anyURI and make multiple property assertions.

A URIList class

If the order is important, then you'll want a bit more structure. You could define a URI-list class, whose nodes have URIs as the value of some datatype property, but then your top level property would have to be an object property (relating a thing to an URI list).

Using regular expressions

I think that this is the least attractive solution, but if you can find a regular expression matching a URI, then you could also define a datatype property whose range is xsd:strings matching the pattern ( )* (or something similar).