W3C home > Mailing lists > Public > semantic-web@w3.org > May 2014

Re: Named Graphs

From: Tim Berners-Lee <timbl@w3.org>
Date: Thu, 15 May 2014 14:47:39 -0400
Cc: SW-forum Web <semantic-web@w3.org>
Message-Id: <53606411-A8A2-44F5-BD2D-3FB5DFCC6B7A@w3.org>
To: Mauro Dragoni <dragoni@fbk.eu>
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 18:47:42 UTC

This archive was generated by hypermail 2.3.1 : Tuesday, 1 March 2016 07:42:50 UTC