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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 :-)


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



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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