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https://issues.apache.org/jira/browse/JENA-1102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Seaborne resolved JENA-1102.
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Resolution: Fixed
Fix Version/s: Jena 3.1.0
Thank you for the report with clear, succinct details.
> SPARQL: EBV of "a"@en should be true but is false
> -------------------------------------------------
>
> Key: JENA-1102
> URL: https://issues.apache.org/jira/browse/JENA-1102
> Project: Apache Jena
> Issue Type: Bug
> Components: ARQ
> Reporter: Richard Cyganiak
> Assignee: Andy Seaborne
> Priority: Minor
> Fix For: Jena 3.1.0
>
>
> {code}
> SELECT ("pass" AS ?result) WHERE { FILTER("Hello") }
> {code}
> {code}
> SELECT ("pass" AS ?result) WHERE { FILTER("Hello"@en) }
> {code}
> The first has a result, the second doesn’t. Tested on sparql.org.
> According to what I think is [the relevant bit of the
> spec|http://www.w3.org/TR/sparql11-query/#ebv], both should be true because
> they are plain literals and have non-zero length:
> bq. If the argument is a plain literal or a typed literal with a datatype of
> xsd:string, the EBV is false if the operand value has zero length; otherwise
> the EBV is true.
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