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Re: New LOD Cloud - Please send us links to missing data sources

From: Hugh Glaser <hg@ecs.soton.ac.uk>
Date: Sun, 1 Mar 2009 00:59:40 +0000
To: Anja Jentzsch <anja@anjeve.de>, "public-lod@w3.org" <public-lod@w3.org>
Message-ID: <C5CF8E7C.29CC0%hg@ecs.soton.ac.uk>
Thatıs really great - well done.
This is not an easy job.
It is hard to check all the sources, as the cloud is now so big (which is of
course great!), but here are the rkb ones I think may be missing:

cordis.rkbexplorer.com
courseware.rkbexplorer.com
crs.rkbexplorer.com (linkage knowledge only)
curriculum.rkbexplorer.com
darmstadt.rkbexplorer.com
deepblue.rkbexplorer.com
deploy.rkbexplorer.com
epsrc.rkbexplorer.com (but links not published at the moment)
ft.rkbexplorer.com
italy.rkbexplorer.com
kaunas.rkbexplorer.com
kisti.rkbexplorer.com (but links not published at the moment)
lisbon.rkbexplorer.com
nsf.rkbexplorer.com
os.rkbexplorer.com
resex.rkbexplorer.com
risks.rkbexplorer.com
roma.rkbexplorer.com
southampton.rkbexplorer.com
ulm.rkbexplorer.com
unlocode.rkbexplorer.com
void.rkbexplorer.com (metadata, so not linked)
webconf.rkbexplorer.com
webscience.rkbexplorer.com
wiki.rkbexplorer.com
wordnet.rkbexplorer.com

You can find the numbers by tooltips at
http://www.rkbexplorer.com/linkage/crs-linkage-neat.svg
Some of the links are missing in the counts, so the numbers are a lower
bound.
The really big KBs missing are cordis, nsf and wordnet, I think.

Strangeness:
I don't think ECS Southampton has any links that I know of, other than the
incoming foaf ones?
I thought pub-guide connected to os.
I don't think there are any links from dbpedia to Musicbrainz, and in fact
any links for quite a lot of the edges you have going out of dbpedia - are
you confident of the data?
You need to make sure the sites of the nodes are not dead. A quick check of
the links you might be using, gives:
http://doapspace.org/
http://bbc-hackday.dyndns.org:2825/ (BBC Later + TOTP)
Flickr exporter?

In fact, wonder what links you will use for the circles?
It should be clear from the page the clicker gets to from a circle, how to
find the URIs associated with the site.
Also, that tends to make me agree with Ted that just putting foaf as a node
looks strange - at the moment it is not a "data source", although
representing IFPs is rather difficult!

In fact I have now got a load of links in a big crs (for example linking
lingvoj, wordnet and dbpedia), but I am not sure how you want to represent
them - do we simply call it a KB - maybe?
But we can leave that to another discussion.
Despite all that, please keep at it, you are doing a very important job.

Best
Hugh


On 27/02/2009 22:58, "Anja Jentzsch" <anja@anjeve.de> wrote:

> Hi all,
>
> we are currently updating the LOD cloud. Find the draft here:
> http://www4.wiwiss.fu-berlin.de/bizer/pub/lod-datasets_2009-02-27.png
>
> We have already added:
>
> 1. the RKBExplorer cloud
> 2. the Bio2RDF cloud
> 3. the LODD cloud
> 4. GeoSpecies
> 5. LIBRIS
>
> Statistics on triple and link count (as well as target sources) are
> missing for the following sources:
> - Faviki
> - RDFohloh
> - OpenCalais
> - LIBRIS
>
> Did we forget any new data sources or links between data sources?
>
> Keep in mind: A data source qualifies for the cloud, if the data is
> available via dereferencable URIs and if the data source is interlinked
> with at least one other source (meaning it references URIs within the
> namespace of the other source).
>
> Anja
>
>
Received on Sunday, 1 March 2009 01:00:31 UTC

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