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Re: Source file of the LOD connectivity patterns

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Tue, 17 Mar 2009 17:10:17 -0400
Message-ID: <49C011B9.1020107@openlinksw.com>
To: marko@lanl.gov
CC: public-lod@w3.org
Marko A. Rodriguez wrote:
> Hello,
>
>   
>> One source of the raw data would be: http://lod.openlinksw.com .
>> Once we have a voID graph you should be able to use that to perform real
>> graph analysis across the LOD cloud :-)
>>     
>
> I just looked into voID -- an RDF graph that describes the linking of RDF
> graphs is very helpful. Question: is there an instance of a voID graph for
> the LOD cloud as it is right now?
>   
It is coming, ETA: this week.

> With respect to analyzing the Linked Data cloud at the triple-level: I'm
> more than happy to work on something of that size, but multi-relational
> graph analysis is a little more complex (and computationally expensive)
> than single-relational graph analysis (see [1] and [2]). Moreover, given
> the billion+ triple scale, we are talking some major clock cycles.
>   
VoiD contains the stats, about the huge corpus. Yes, that in of itself 
is quite large, but nothing like working through the raw data.
> Moreover, and to exacerbate the problem, pull-based HTTP is not the best
> mechanism for walking a graph. Again (as I've said in other work), LOD
> following the WWW paradigm will be limited in the sophistication of the
> type of algorithms (graph or otherwise) that can be practically executed
> on it. However, beyond an exploratory analysis at the triple-level, if
> there was an interesting hypothesis, I would be more than willing to
> provide my expertise. Any thoughts in particular?
>   
Easier to comment further when the graph is ready. I prefer show rather 
than tell :-)

Kingsley


> [1] http://arxiv.org/abs/0806.2274
> [2] http://arxiv.org/abs/0803.4355
>
> Take care,
> Marko A. Rodriguez
>
> http://markorodriguez.com
>
>   


-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com
Received on Tuesday, 17 March 2009 21:10:53 UTC

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