Let's say you want to retrieve this graph:
:s :p :o
as this JSON-LD:
{"@id": "o", "reverse-p": "s"}
Would it be possible, or is the JSON serialization harcoded to
serialize each resource and only its outgoing properties ?
Are there examples of graph serialization in the JSON-LD spec?
On Thu, Jan 23, 2014 at 11:29 AM, Andy Seaborne <[email protected]> wrote:
> On 23/01/14 09:26, Olivier Rossel wrote:
>
>> Can a SPARQL endpoint return data in JSON-LD format?
>>
>
> It will be able to when JSON-LD is integrated into Jena. It may not look
> nice in all cases though - there's no path for a specialized @context.
>
> There are scaling issues with JSON-LD - the spec mandates certain
> algorithms which work on the whole structure - but ATM I believe these will
> not be much trouble because the client isn't streaming (it's JSON so you
> need to parse the whole object/map) and the client is naturally limited in
> what it will ask for.
>
> Andy
>
>
>
>
>>
>> On Wed, Jan 22, 2014 at 10:37 PM, Andy Seaborne <[email protected]> wrote:
>>
>> On 22/01/14 20:52, Phillip Rhodes wrote:
>>>
>>> I know it's been discussed before, since I think I was the last one
>>>> (or one of the last) to bring it up. :-)
>>>>
>>>> To search the archives, try using Gmane.org.
>>>> http://dir.gmane.org/search.php?match=jena
>>>>
>>>> But the short version, as I understand it, is that Jena JSONLD support
>>>> is here: https://github.com/afs/jena-jsonld
>>>>
>>>> I don't actually know enough about the history and the project
>>>> internals to know why it's separate or if there are plans to pull it
>>>> into main Jena or not, but there is support there and usable. We use
>>>> it in a couple of our projects and it works fine.
>>>>
>>>>
>>> Because I haven't moved it into Jena proper yet :-) You may notice there
>>> was a small amount of activity a few days ago - clearing up prior to
>>> moving
>>> to RIOT. It's just a small matter of finding the time. Then it'll will
>>> be
>>> in the main build.
>>>
>>> The real work is done by https://github.com/jsonld-
>>> java/jsonld-java(which only depends on other Apache Licensed
>>> dependencies). I was waiting
>>>
>>> for jsonld-java to go to v0.3 but I'll move the code in depending on v0.2
>>> and switch when they release 0.3.
>>>
>>> Andy
>>> relatively quick)
>>>
>>>
>>> Phil
>>>
>>>> This message optimized for indexing by NSA PRISM
>>>>
>>>>
>>>> On Wed, Jan 22, 2014 at 3:41 PM, Samuel Padgett <[email protected]>
>>>> wrote:
>>>>
>>>>
>>>>>
>>>>> JSON-LD is now a W3C Recommendation [1]. Has JSON-LD been considered
>>>>> for
>>>>> Jena? I was curious if it was in the roadmap or if there are no plans
>>>>> for
>>>>> support. It would be nice if JSON-LD were supported natively.
>>>>>
>>>>> I searched the JIRA issues for Jena and didn't find anything.
>>>>> (Apologies
>>>>> if
>>>>> this has been discussed on the mailing list before... I couldn't find
>>>>> an
>>>>> obvious way to search the archives.)
>>>>>
>>>>> [1] http://www.w3.org/TR/2014/REC-json-ld-20140116/
>>>>> --
>>>>> Samuel Padgett | IBM Rational | [email protected]
>>>>> Eclipse Lyo: Enabling tool integration with OSLC
>>>>>
>>>>>
>>>>
>>>
>>
>
