[foaf-dev] [foaf-protocols] FOAF sites offline during cleanup

Kingsley Idehen kidehen at openlinksw.com
Mon Apr 27 21:10:19 CEST 2009


Steve Harris wrote:
> On 27 Apr 2009, at 14:26, Kingsley Idehen wrote:
>>>> I would safely say re. LOD Cloud somewhere north of 80% :-) And thats
>>>> primary due to the content coming from PingTheSemanticWeb, otherwise
>>>> I would say 90% and higher. The "Linked Data" meme has always
>>>> encouraged URIs for everything.
>>>
>>> I guess it depends whether you count your population by triples or
>>> graphs, but that seems quite high to me. The vast majority of FOAF
>>> data (Hi5 and LiveJournal, for example) has bnodes in it, and FOAF
>>> makes up the bulk of LinkedData as far as I've been able to tell.
>> No, the FOAF data with bnodes in the LOD cloud come from the places
>> you've just mentioned via PingTheSemanticWeb (PTSW) and other crawler
>> built from PTSW, or those that performed similar RDF crawling.
>
> My reading of your sentence above was that you were including PTSW, 
> and in any case if you don't not crawl how can you ever get to see a 
> reasonable slice of the LOD?

I was referring to the data sets in the LOD cloud bubble that we've 
loaded into the instance at: http://lod.openlinksw.com  (which does 
include stuff from PTSW but placed into its own Named Graph Group). 
Think warehouse just for this conversation.
>
> FWIW, I just did a crawl starting with my FOAF file and some key 
> resources.
>
>>> Outside of FOAF the BBC music data, for example, has a lot of bNodes
>>> in it.
>> Hmm. interesting.
>>
>> Do note you can actually get a feel for what's where re. bnodes and data
>> sets via:
>>
>> http://lod.openlinksw.com/void/Dataset .
>
> Sure, well I would imagine many people have different, large chunks of 
> the linked data web. Mines full of bNodes :)
Sure esp. in the real definition of: Linked Data Web as opposed to the 
LOD cloud graphic :-)

Kingsley


>
> - Steve
>


-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com






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