- From: Richard Cyganiak <richard@cyganiak.de>
- Date: Mon, 29 Aug 2011 19:15:33 +0100
- To: Andy Seaborne <andy.seaborne@epimorphics.com>
- Cc: public-rdf-wg@w3.org
Andy, On 29 Aug 2011, at 18:04, Andy Seaborne wrote: >>> The "non-empty lexical space" restriction seems to be artificial. >> >> What's the reference for that restriction? AFAICT, an empty lexical space is consistent with RDF 2004 and XSD (1.0 and 1.1). > > http://www.w3.org/TR/rdf-mt/#dtype_interp > > Point 1: > > [[ > Formally, a datatype d is defined by three items: > > 1. a non-empty set of character strings called the lexical space of d; > > 2. a non-empty set called the value space of d; > > 3. a mapping from the lexical space of d to the value space of d, called the lexical-to-value mapping of d. > > The lexical-to-value mapping of a datatype d is written as L2V(d). > ]] Oh. Thanks, I hadn't seen this. I'd call it a buglet in RDF Semantics. This is now ISSUE-76: http://www.w3.org/2011/rdf-wg/track/issues/76 Best, Richard
Received on Monday, 29 August 2011 18:16:02 UTC