- From: Uche Ogbuji <uche.ogbuji@fourthought.com>
- Date: Fri, 01 Feb 2002 00:35:01 -0700
- To: Dan Connolly <connolly@w3.org>
- cc: RDF Interest <www-rdf-interest@w3.org>, RDF Logic <www-rdf-logic@w3.org>
> There's a lot to read about TDL and S, > http://lists.w3.org/Archives/Public/www-rdf-interest/2002Jan/0164.html > but I think it can be summarized with the following > test case. If you develop (or use) any RDF software, > please try it out on this test case and report > your findings. Using 4versa (and building the query up bit by bit since Versa is new) $ 4versa --rdf-file=rdf/dc-20020130.rdf "(@'#Film' <- rdf:type - *) - dc:title -> *" Executing Query: (@'#Film' <- rdf:type - *) - dc:title -> * With nsMapping of: xml --> http://www.w3.org/XML/1998/namespace rdf --> http://www.w3.org/1999/02/22-rdf-syntax-ns# ex --> http://example/vocab# None --> file:/home/connolly/w3ccvs/WWW/2000/10/swap/test/dt10-premise.n3# dc --> http://purl.org/dc/elements/1.1/ <List> <String>10</String> </List> $ 4versa --rdf-file=rdf/dc-20020130.rdf "@'#mary' - ex:age -> *" Executing Query: @'#mary' - ex:age -> * With nsMapping of: xml --> http://www.w3.org/XML/1998/namespace rdf --> http://www.w3.org/1999/02/22-rdf-syntax-ns# ex --> http://example/vocab# None --> file:/home/connolly/w3ccvs/WWW/2000/10/swap/test/dt10-premise.n3# dc --> http://purl.org/dc/elements/1.1/ <List> <String>10</String> </List> $ 4versa --rdf-file=rdf/dc-20020130.rdf "eq((@'#Film' <- rdf:type - *) - dc:title -> *, @'#mary' - ex:age -> *)" Executing Query: eq((@'#Film' <- rdf:type - *) - dc:title -> *, @'#mary' - ex:age -> *) With nsMapping of: xml --> http://www.w3.org/XML/1998/namespace rdf --> http://www.w3.org/1999/02/22-rdf-syntax-ns# ex --> http://example/vocab# None --> file:/home/connolly/w3ccvs/WWW/2000/10/swap/test/dt10-premise.n3# dc --> http://purl.org/dc/elements/1.1/ <Boolean>true</Boolean> So the underlying implementation (4RDF in this case) thinks they are indeed the same -- Uche Ogbuji Principal Consultant uche.ogbuji@fourthought.com +1 303 583 9900 x 101 Fourthought, Inc. http://Fourthought.com 4735 East Walnut St, Boulder, CO 80301-2537, USA XML strategy, XML tools (http://4Suite.org), knowledge management
Received on Friday, 1 February 2002 02:38:52 UTC