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https://issues.apache.org/jira/browse/STANBOL-698?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Riccitelli updated STANBOL-698:
-------------------------------------

    Attachment: NAN.txt
    
> issue with NaN in http://www.w3.org/2001/XMLSchema#double
> ---------------------------------------------------------
>
>                 Key: STANBOL-698
>                 URL: https://issues.apache.org/jira/browse/STANBOL-698
>             Project: Stanbol
>          Issue Type: Bug
>          Components: Entity Hub
>    Affects Versions: entityhub-0.10.0-incubating
>            Reporter: David Riccitelli
>         Attachments: NAN.txt
>
>
> I recently ran into an issue [1]. It seems that sometimes values in resources 
> declared as double, are eventually not numbers and the Resource2ValueAdapter 
> [3] throws an exception:
> "A value is being adapted [mapped-class :: class java.lang.Double][literal :: 
> NAN][literal data-type :: <http://www.w3.org/2001/XMLSchema#double>]."
> Shall we make the Resource2ValueAdapter check whether the literal value can 
> actually be converted to the destination data-type?
> [1] Error 500 Enhancement Chain failed because of required Engine 
> 'dbpediaLinking' failed with Message: Unable to process ContentItem 
> '&lt;urn:content-item-sha1-c153a98f2f30dd79232ba6af3f71f30e4e6a0093&gt;' with 
> Enhancement Engine 'dbpediaLinking' because the engine was unable to process 
> the content (Engine class: 
> org.apache.stanbol.enhancer.engines.entitytagging.impl.NamedEntityTaggingEngine)(Reason:
>  For input string: "NAN")!
> [2] org.apache.stanbol.entityhub.model.clerezza.impl.Resource2ValueAdapter

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