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Re: Named Graphs

From: Juan Sequeda <juanfederico@gmail.com>
Date: Thu, 15 May 2014 15:16:37 -0500
Message-ID: <CAMVTWDw1AdxYCvu395xPkgCwqrTW76EZUTiZhfjdC13UWLtjPA@mail.gmail.com>
To: Tim Berners-Lee <timbl@w3.org>
Cc: Mauro Dragoni <dragoni@fbk.eu>, SW-forum Web <semantic-web@w3.org>
Is 4store being actively maintained?

Juan Sequeda
+1-575-SEQ-UEDA
www.juansequeda.com


On Thu, May 15, 2014 at 1:47 PM, Tim Berners-Lee <timbl@w3.org> wrote:

> Try 4store, which is a quad store.
> Tim
>
>
> On 2014-05 -15, at 10:33, Mauro Dragoni <dragoni@fbk.eu> wrote:
>
> The only two things that come in my mind, both using Java, are:
> - to load the named graphs in a Jena object and then to query them by
> using SPARQL: http://jena.apache.org/tutorials/sparql_datasets.html
> - to do the same thing above but using the NG4J extension of Jena:
> http://wifo5-03.informatik.uni-mannheim.de/bizer/ng4j/
>
> I hope that it helps.
> Mauro.
>
>
>
> On Thu, May 15, 2014 at 4:22 PM, Diego Reforgiato <
> diego.reforgiato@istc.cnr.it> wrote:
>
>>  Hi Mauro,
>> no, we will adapt to the one with the highest performances.
>>
>> Best
>> Diego
>>
>>
>> On 5/15/14 4:10 PM, Mauro Dragoni wrote:
>>
>> Hi Diego,
>> any restriction on the programming language?
>>
>>  Mauro.
>>
>>
>> On Thu, May 15, 2014 at 4:04 PM, Diego Reforgiato <
>> diego.reforgiato@istc.cnr.it> wrote:
>>
>>> Dear all,
>>> we need to deal with the several named graphs and would need to choose
>>> the framework that best handles named graphs and their serialization. As
>>> they have several relations among them, we need to be able to query them
>>> efficiently.
>>>
>>> We have used so far rdflib from Python code and the querying seems very
>>> slow.
>>>
>>> Any suggestion?
>>>
>>> Best
>>> Diego Reforgiato
>>>
>>>
>>
>>
>
>
Received on Thursday, 15 May 2014 20:17:26 UTC

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