[...] >> in fact it >> codifies that any such extension is explicitly illegal. Queries along >> the lines of "must these two nodes be related via either of these two >> properties?" suddenly become impossible to answer when that answer is >> derived via inference, or rules, or some higher-level semantic language. > > I don't understand how you come to that conclusion. Neither do I... I would simply ask the following RDF/N3 kind of query (<graph>).da:from da:select {?N1 <p1> ?N2}, {?N1 <p2> ?N2}. and when getting a nonempty graph the answer is "true" as simple as that! -- Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/Received on Tuesday, 4 May 2004 16:51:15 GMT
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