- From: Ayalew Kassahun <A.Kassahun@InfoRay.NL>
- Date: Thu, 11 Jan 2001 10:15:53 +0100
- To: www-rdf-interest@w3.org
- Cc: Stefan Kokkelink <skokkeli@mathematik.uni-osnabrueck.de>, Libby.Miller@BRISTOL.AC.UK, dave.beckett@BRISTOL.AC.UK
But still why are statements 3-7 (of the redland parser) generated? see further comments below ... Ayalew > Hi Ayalew > > There's an annoying bug in SiRPAC which always reifies Description > elements in containers even if you've already reified them. See > > http://www.w3.org/RDF/Implementations/SiRPAC/SiRPAC-defects.html > > ID NOV-15-2000-1 > > Libby > > > On Wed, 10 Jan 2001, Ayalew Kassahun wrote: > > > Hi, > > > > There is already a lot of disscussion going on this topic, > > but this is just > > a practical problem. If it has been answered before please > > point me to that. > > > > I am trying to use RDF in my app and and I come accross a > > problem concerning > > container resources. I tested an RDF data on three parsers > > available on the > > web and all three gave different triples for container > > (statments with > > bagID) . Some of the differences I could explain but some > > others not. > > > > I took the RDF (shown below and taken from CARA[1] - E9) > > and run it on > > Redland[2], CARA and SiRPAC[3]. The results are shown > > further down. Can > > someone explain to me which is the most correct? Namely: > > > > 1 - I do not understand why Redland 'reifies' statement > > with ID 'res1'?! I do not have an answer yet, may be Dava can anser me. > > 2 - I do not understand why Redland and CARA 'reify' > > statement stat3. This seems to me wrong.?! OK, I understand! > > 3 - SiRPAC seems to be inconsistent here - stat1 is reified > > and but not stat2 The problem it doesn't reify when it is supposed to... > > > > Regards, > > Ayalew > > > > > > [RDF] > > 1: <?xml version="1.0" ?> > > 2: <rdf:RDF xmlns=" <http://myNS.org> http://myNS.org#" > > 3: xmlns:rdf=" <http://www.w3.org/1999/02/22-rdf-syntax-ns> > > http://www.w3.org/1999/02/22-rdf-syntax-ns#"> > > 4: <typedNode rdf:ID="res1" rdf:bagID="stat_bag1"> > > 5: <prop1 rdf:ID="stat1"> > > 6: <rdf:Description rdf:ID="res2" rdf:bagID="stat_bag2"> > > 7: <prop2 rdf:ID="stat2">a value</prop2> > > 8: </rdf:Description> > > 9: </prop1> > > 10: </typedNode> > > 11: <rdf:Description rdf:ID="res3"> > > 12: <prop3 rdf:ID="stat3">another value</prop3> > > 13: </rdf:Description> > > 14: </rdf:RDF> > > > > > > [Redland] > > 1: (file#res1, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#type, > > http://myNS.org#typedNode) > > 2: (file#stat_bag1, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#type, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#Bag) > > 3: (file#stat_bag1, [1], file#1) > > 4: (anon: file#1, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#type, > > <http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement> > > http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement) > > 5: (anon: file#1, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#subject, > > file#res1) > > 6: (anon: file#1, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#type) > > 7: (anon: file#1, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#object, > > http://myNS.org#typedNode) > > 8: (file#res1, > > http://myNS.org#prop1, > > file#res2) > > 9: (file#stat_bag1, [2], stat1) > > 10: (stat1, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#type, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement) > > 11: (stat1, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#subject, > > file#res1) > > 12: (stat1, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate, > > http://myNS.org#prop1) > > 13: (stat1, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#object, > > file#res2) > > 14: (file#res2, > > http://myNS.org#prop2, > > "a value") > > 15: (file#stat_bag2, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#type, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#Bag) > > 16: (file#stat_bag2, [1], stat2) > > 17: (stat2, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#type, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement) > > 18: (stat2, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#subject, > > file#res2) > > 19: (stat2, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate, > > http://myNS.org#prop2) > > 20: (stat2, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#object, > > "a value") > > 21: (file#res3, > > http://myNS.org#prop3, > > "another value") > > 22: (stat3, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#type, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement) > > 23: (stat3, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#subject, > > file#res3) > > 24: (stat3, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate, > > http://myNS.org#prop3) > > 25: (stat3, > > http://www.w3.org/1999/02/22-rdf-syntax-ns#object, > > "another value") > >
Received on Thursday, 11 January 2001 08:42:40 UTC