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https://issues.apache.org/jira/browse/STANBOL-606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rupert Westenthaler resolved STANBOL-606.
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Resolution: Fixed
fixed with #1337141
> Language prefixes are added to non TextConstraint in queries for the Entityhub
> ------------------------------------------------------------------------------
>
> Key: STANBOL-606
> URL: https://issues.apache.org/jira/browse/STANBOL-606
> Project: Stanbol
> Issue Type: Bug
> Components: Entity Hub
> Reporter: Rupert Westenthaler
> Assignee: Rupert Westenthaler
> Priority: Minor
> Fix For: 0.10.0-incubating
>
>
> Currently search terms for the {all-language} container are added for non
> TextConstraints of the SolrYard implementation. This is best described by
> this example
> A constraint for "rdf:type" including "db-ont:Organisation" is currently
> encoded like:
> (
> ((_\!@/rdf\:type/:http\://dbpedia.org/ontology/Organisation)) OR
> ((ref/rdf\:type/:http\://dbpedia.org/ontology/Organisation))
> )
> The expected query would be
>
> (((ref/rdf\:type/:http\://dbpedia.org/ontology/Organisation)))
> While this does not have practical implications - because there are no
> textual values for the "rdf:type" field and even if it would be unlikely to
> contain the URI as text - this adds unnecessary query term that do have an
> impact on the performance - because of that "Priority: Minor"
> To fix this the
> "org.apache.stanbol.entityhub.yard.solr.impl.queryencoders.LangEncoder" needs
> to consider the data type of parsed IndexFields and only add the default
> lanauge (the {all-language} container) if the dataType is "text".
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