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Posted to commits@stanbol.apache.org by "Olivier Grisel (JIRA)" <ji...@apache.org> on 2011/04/19 14:16:05 UTC
[jira] [Commented] (STANBOL-176) NER engine should not put control
chars in text literals of the annotation graph
[ https://issues.apache.org/jira/browse/STANBOL-176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13021548#comment-13021548 ]
Olivier Grisel commented on STANBOL-176:
----------------------------------------
Sample exception we might get trying to serialize such a "corrupted" literal as RDF/XML:
com.hp.hpl.jena.shared.CannotEncodeCharacterException: cannot encode (char) in context XML
at com.hp.hpl.jena.rdf.model.impl.Util.substituteEntitiesInElementContent(Util.java:188)
at com.hp.hpl.jena.xmloutput.impl.Basic.writeLiteral(Basic.java:168)
at com.hp.hpl.jena.xmloutput.impl.Basic.writePredicate(Basic.java:104)
at com.hp.hpl.jena.xmloutput.impl.Basic.writeRDFStatements(Basic.java:77)
at com.hp.hpl.jena.xmloutput.impl.Basic.writeRDFStatements(Basic.java:66)
at com.hp.hpl.jena.xmloutput.impl.Basic.writeBody(Basic.java:40)
at com.hp.hpl.jena.xmloutput.impl.BaseXMLWriter.writeXMLBody(BaseXMLWriter.java:500)
at com.hp.hpl.jena.xmloutput.impl.BaseXMLWriter.write(BaseXMLWriter.java:472)
at com.hp.hpl.jena.xmloutput.impl.BaseXMLWriter.write(BaseXMLWriter.java:458)
at org.apache.clerezza.rdf.jena.serializer.JenaSerializerProvider.serialize(JenaSerializerProvider.java:65)
at org.apache.clerezza.rdf.core.serializedform.Serializer.serialize(Serializer.java:144)
at org.apache.stanbol.enhancer.jersey.resource.ContentItemResource.getRdfMetadata(ContentItemResource.java:132)
> NER engine should not put control chars in text literals of the annotation graph
> --------------------------------------------------------------------------------
>
> Key: STANBOL-176
> URL: https://issues.apache.org/jira/browse/STANBOL-176
> Project: Stanbol
> Issue Type: Bug
> Reporter: Olivier Grisel
> Assignee: Olivier Grisel
>
> Some text to analyse might contain control chars such as "\x13", "\x14", "\x15"... Such characters cannothe be serialized as XML and are generally worthless in the labels and context properties of enhancements.
> The NER engine should filter them out before writing its annotations to the content item graph.
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