- From: Seaborne, Andy <andy.seaborne@hp.com>
- Date: Thu, 11 Nov 2004 18:04:09 +0000
- To: Dan Connolly <connolly@w3.org>
- CC: RDF Data Access Working Group <public-rdf-dawg@w3.org>
OK - noted. I rushed to get the text in to avoid loosing it. Andy Dan Connolly wrote: > On Wed, 2004-11-10 at 18:23 +0000, Seaborne, Andy wrote: > >>>(http://www.w3.org/2001/sw/DataAccess/rq23/#MultipleMatches 1.120 ) >> >>Text added in v1.129 > > > OK, but now there's some redundancy; the definition I gave > for substituion is intended to replace the definitions > of binding and set of bindings. > > These define pretty much the same construct: > > "A substitution S is a functional relation from variables to RDF terms. > We write S[v] for > the term that S pairs with the variable v." > > and > > "A binding is a pair which defines a mapping from a variable to an RDF > Term. If B is such a binding, var(B) is the variable of the binding, and > val(B) is the RDF term. > > ... > > A binding, B, defines a substitution subst(T, B) on triple T that > replaces every occurrence of the variable, var(B), with the > corresponding RDF Term, val(B)." > > > I hope to have a suggestion about how to resolve the redundancy > after I study the definitions for SOURCE (and perhaps optionals). >
Received on Friday, 12 November 2004 03:40:05 UTC