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https://issues.apache.org/jira/browse/JENA-491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14379831#comment-14379831
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Andy Seaborne commented on JENA-491:
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The synatx should be like TriG (TriG allows the work GRAPH optionally)
{noformat}
CONSTRUCT {
# Named graph
GRAPH :g { ?s :p ?o }
# Default graph
{ ?s :p ?o }
# Named graph
:g { ?s :p ?o }
# Default graph
?s :p ?o
} WHERE { ... }
{noformat}
> Extend CONSTRUCT to build quads
> -------------------------------
>
> Key: JENA-491
> URL: https://issues.apache.org/jira/browse/JENA-491
> Project: Apache Jena
> Issue Type: Improvement
> Components: ARQ, Fuseki
> Reporter: Andy Seaborne
> Labels: gsoc, gsoc2015, java, linked_data, rdf, sparql
>
> This would be an extension to SPARQL.
> 1/ Add use of GRAPH inside a CONSTRUCT template see SPARQL Update.
> 2/ Add conneg for quads to Fuseki.
> 3/ New QueryExecution operations execConstructQuads() and
> execConstructDataset()
> If asked for triples, and the CONSTRUCT generates quads, the named graph
> items are dropped - that is, only the default graph is returned. This is for
> commonality with RIOT.
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