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https://issues.apache.org/jira/browse/JENA-632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14320338#comment-14320338
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Andy Seaborne commented on JENA-632:
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I have seen attempt to produce more complex JSON from RDF.  They have their 
place but so does a direct, simple, efficient format.

One row, one JSON object.  Streamed if the underlying query execution streams.

To produce that title array, the code would need to see the whole result set 
(very special case - know there is only repeated "title", and only one "author" 
-- just expressing that is complicated enough. If ti broken mid result set, we 
end up with the "HTTP 200" already sent problem).


> Generate JSON from SPARQL directly.
> -----------------------------------
>
>                 Key: JENA-632
>                 URL: https://issues.apache.org/jira/browse/JENA-632
>             Project: Apache Jena
>          Issue Type: Improvement
>          Components: ARQ, Fuseki
>            Reporter: Andy Seaborne
>            Priority: Minor
>              Labels: java, javacc
>
> The capability to generate JSON directly from a SPARQL (or extended SPARQL) 
> query would enable the creation of JSON data API over published linked data.
> This project would cover:
> # Design and publication of a design.
> # Refinement of design based on community feed
> # Implementation, including testing.
> # Refinement of implementation based on community feed
> Skills required: Java, some parser work, design and discussion with the user 
> community, basic understanding of HTTP and content negotiation.



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