- From: Francis McCabe <frankmccabe@mac.com>
- Date: Fri, 15 Sep 2006 17:05:48 -0700
- To: jos.deroo@agfa.com
- Cc: public-rif-wg@w3.org
Jos: Do you mean findall, or bagof, or setof? These have very different run-time characteristics Frank On Sep 15, 2006, at 4:44 PM, jos.deroo@agfa.com wrote: > > In writing Prolog I make a lot of use of findall > and in N3 I found it useful as > > e:findall > rdfs:comment > """?SCOPE e:findall (?SELECT ?WHERE ?ANSWER). > unifies ?ANSWER with a list that contains all the > instantiations of ?SELECT satisfying the ?WHERE > clause in the ?SCOPE of all asserted n3 formulae > and their log:conclusion"""; > a rdf:Property; > rdfs:domain log:Formula; > rdfs:range rdf:List. > > I mean useful for 2 reasons > 1/ it is a way to have a simple SPARQL condition > 2/ it is a way to have a SNAF condition when used as > ?SCOPE e:findall (?SELECT ?WHERE rdf:nil). > > There is a test case result at > http://eulersharp.sourceforge.net/2006/02swap/medicE.n3 > > -- > Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/ >
Received on Saturday, 16 September 2006 00:06:10 UTC