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 Friday, 15 September 2006 23:46:25 GMT
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