Bump, because this hasn't yet been acknowledged, and it's an existing
issue (though I forget the reference), so several people would like
it dealt with.
On 26 Oct 2005, at 23:08, Richard Newman wrote:
> In "Namespaces:", immediately preceding <http://www.w3.org/TR/rdf- > sparql-query/#operandDataTypes>:
> The namespace for XPath functions that are directly available by
> name is http://www.w3.org/2004/07/xpath-functions. The associated
> namespace prefix used in this document is fn:. XPath operators are
> named with the prefix op:, XML Schema datatypes with the prefix
> op:, and types of RDF terms with the prefix r:. SPARQL operators
> are named with the prefix sop:.
> fn: = http://www.w3.org/2004/07/xpath-functions.
> I have two preliminary observations:
> 1. "XML Schema datatypes with the prefix op:". Shouldn't this be
> xs:, judging by §11.1, or xsd:, following convention?
> 2. The only namespace prefixes listed in §1.1 are rdf:, rdfs:, and
> xsd:. AFAICS, this leaves:
> a) fn: defined, but not listed in §1.1
> b) op:, sop:, xs:, and r: without a definition that I can see in
> this document.
> Thoughts? If someone knows the URI for sop:, I'd very much like
> to be corrected, as I'm trying to write that part of twinql :)