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[p4-feedback] Problem loading Turtle file

Rinke Hoekstra hoekstra at uva.nl
Wed Apr 15 09:56:43 PDT 2009


Hi Holger,

This is not a bug. The reason the parser crashes is that 123 is not a  
valid QName.. all prefixed names should start with a character from A- 
Z] | "_" | [a-z] | [#x00C0-#x00D6] | [#x00D8-#x00F6] | [#x00F8-#x02FF]  
| [#x0370-#x037D] | [#x037F-#x1FFF] | [#x200C-#x200D] | [#x2070- 
#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] |  
[#xFDF0-#xFFFD] | [#x10000-#xEFFFF]

See [1].

-Rinke

[1] http://www.dajobe.org/2004/01/turtle/#qname




On 15 apr 2009, at 18:46, Holger Stenzhorn wrote:

> Hi,
>
> We have received an OWL file in Turtle format from our project  
> partners.
> When trying to load that file, using the latest Protégé-SVN version, I
> get a parsing error.
>
> Experimenting a bit I could locate the issue and construct a test  
> case:
> [1] loads fine. But when trying [2] I get the excpetion in [3].
> But when using the full URI instead [4] the loading works.
>
> Cheers,
> Holger
>
> P.S.: Sorry, if this issue belongs on the OWLAPI list...
>
> [1]
> @prefix owl: <http://www.w3.org/2002/07/owl#> .
> @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
> @prefix xyz: <http://some/prefix#> .
> <http://foo.bar/baz> rdf:type owl:Ontology .
> xyz:abc rdf:type owl:Class .
>
> [2]
> @prefix owl: <http://www.w3.org/2002/07/owl#> .
> @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
> @prefix xyz: <http://some/prefix#> .
> <http://foo.bar/baz> rdf:type owl:Ontology .
> xyz:123 rdf:type owl:Class .
>
> [3]
> uk.ac.manchester.cs.owl.turtle.parser.ParseException: Encountered  
> "123"
> at line 5, column 5.
> Was expecting one of:
>    "." ...
>    "a" ...
>    <URITOKEN> ...
>    <QNAME> ...
>    <VAR> ...
>
> [4]
> @prefix owl: <http://www.w3.org/2002/07/owl#> .
> @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
> <http://foo.bar/baz> rdf:type owl:Ontology .
> <http://some/prefix#2> rdf:type owl:Class .
>
>
>
>
> _______________________________________________
> p4-feedback mailing list
> p4-feedback at lists.stanford.edu
> https://mailman.stanford.edu/mailman/listinfo/p4-feedback



---
Drs Rinke Hoekstra

Leibniz Center for Law      |  AI Department
Faculty of Law              |  Faculty of Sciences
Universiteit van Amsterdam  |  Vrije Universiteit
Kloveniersburgwal 48        |  De Boelelaan 1081a
1012 CX  Amsterdam          |  1081 HV Amsterdam
+31-(0)20-5253499           |  +31-(0)20-5987752
hoekstra at uva.nl             |  hoekstra at few.vu.nl

Homepage: http://www.leibnizcenter.org/users/rinke








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