Hi,
I have encountered some trouble in many files in DBpedia while trying to
read them using Jena due to errors in the files (as I guess). Here I list two
of the major issues I found out.
1. parsing error QName - in the rdf file for Italy, in line 3812 column 8,
there is the following line mentioning "<p:" but never defines in the file and
the value after : is empty.
<p: xmlns:p="http://dbpedia.org/property/nickname%28s%29"; xml:lang="en">The
Boot; The Belpaese</p:>
http://dbpedia.org/resource/Italy(line 3812 column 8): Element or attribute do
not match QName production: QName::=(NCName':')?NCName.
Error in reading model at
URI:http://dbpedia.org/resource/Italycom.hp.hpl.jena.shared.JenaException:
org.xml.sax.SAXParseException; systemId: http://dbpedia.org/resource/Italy;
lineNumber: 3812; columnNumber: 8; Element or attribute do not match QName
production: QName::=(NCName':')?NCName.
at
com.hp.hpl.jena.rdf.model.impl.RDFDefaultErrorHandler.fatalError(RDFDefaultErrorHandler.java:45)
at
com.hp.hpl.jena.rdf.arp.impl.ARPSaxErrorHandler.fatalError(ARPSaxErrorHandler.java:35)
at com.hp.hpl.jena.rdf.arp.impl.XMLHandler.warning(XMLHandler.java:225)
at com.hp.hpl.jena.rdf.arp.impl.XMLHandler.fatalError(XMLHandler.java:255)
I found many of these files and got the same error when trying to process these
rdf files. One other example is the following file,
http://dbpedia.org/resource/California . Is there any solution for this errors
in the files that we can do when we try to process using a tool like Jena? As I
think, this is an error in rdf files in dbpedia.
2. premature end of file. example for the this resource,
http://dbpedia.org/resource/Karr%C3%B6sten. This may be because of closing tag
errors. following is the exact error I get when tried to parse the file.
ERROR [main] (RDFDefaultErrorHandler.java:44) - Premature end of file.
Error in reading model at URI:http://dbpedia.org/resource/Karr%C3%B6sten
com.hp.hpl.jena.shared.JenaException: org.xml.sax.SAXParseException; Premature
end of file.
at
com.hp.hpl.jena.rdf.model.impl.RDFDefaultErrorHandler.fatalError(RDFDefaultErrorHandler.java:45)
at
com.hp.hpl.jena.rdf.arp.impl.ARPSaxErrorHandler.fatalError(ARPSaxErrorHandler.java:35)
at com.hp.hpl.jena.rdf.arp.impl.XMLHandler.warning(XMLHandler.java:225)
at com.hp.hpl.jena.rdf.arp.impl.XMLHandler.fatalError(XMLHandler.java:255)
What can we do for these errors in DBpedia? Is there any solution for these?
The major concern for me is the issue 1 which is file is already in good shape
except for one QName error. Any suggestions?
Thank you.
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