Re: Generate LOD cloud diagram image

On 6/12/14 5:55 AM, Luca Matteis wrote:
> Dear Adam,
>
> Thanks for the guided list of steps. You can also use the hosted
> version of VoID-graph: http://lmatteis.github.io/void-graph/ instead
> of downloading it.
>
> Best,
> Luca

Also note the Code Ballon [1] project.

Links:

[1] http://zaire.dimis.fim.uni-passau.de:8080/balloon/endpoints
[2] http://schlegel.github.io/balloon/index.html

Kingsley
>
> On Wed, Jun 11, 2014 at 4:25 PM, Adam Sanchez <a.sanchez75@gmail.com> wrote:
>> I share a little "how to" guidance :)
>> I had to build one for a presentation.
>>
>> =========================
>>
>> 1. Download all metadata about datasets already stored in http://datahub.io/.
>> Use this script
>>
>> https://github.com/lod-cloud/datahub2void
>>
>> to get a void.ttl file
>>
>> 2. Load void.ttl into your RDF storage server (I use Sesame)
>>
>> 3. Make this query
>>
>>
>> PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#>
>> PREFIX foaf:<http://xmlns.com/foaf/0.1/>
>> PREFIX tag:<http://www.holygoat.co.uk/owl/redwood/0.1/tags/>
>> PREFIX owl:<http://www.w3.org/2002/07/owl#>
>> PREFIX xsd:<http://www.w3.org/2001/XMLSchema#>
>> PREFIX void:<http://rdfs.org/ns/void#>
>> PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#>
>> PREFIX skos:<http://www.w3.org/2004/02/skos/core#>
>> PREFIX dcterms:<http://purl.org/dc/terms/>
>>
>> select * {
>> ?s a void:Linkset.
>> ?s void:linkPredicate skos:exactMatch.
>> ?s void:objectsTarget ?otarget.
>> ?s void:subjectsTarget ?starget.
>> ?s void:triples ?triples.
>> }
>>
>> 4. Export results of this query as N-triples
>> 5. Download https://github.com/lmatteis/void-graph
>> 6. Open file index.html in your browser. Inside text area field, paste
>> all n-triples you have already exported.
>> 7. That is all. You must have your own LOD - Cloud :)
>>
>> On Mon, May 5, 2014 at 12:34 AM, Sarven Capadisli <info@csarven.ca> wrote:
>>> On 2014-04-22 00:39, Luca Matteis wrote:
>>>> I decided to spend the weekend and
>>>> come up with a pure JavaScript/CSS3 solution:
>>>> http://lmatteis.github.io/void-graph/
>>>
>>> http://270a.info/ is now using void-graph.
>>>
>>> -Sarven
>>> http://csarven.ca/#i
>>>
>>>
>>
>


-- 

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Kingsley Idehen 
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OpenLink Software
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