[ckan-discuss] Next version of the LOD cloud diagram. Please provide input, so that your dataset is included.

Ed Summers ehs at pobox.com
Sat Sep 25 12:22:16 BST 2010

Thanks for the responses Rufus and Richard. I noticed that my little
script that updates the graph data started getting a 403 for the
(new?) bibbase package?


I am skipping over it for the time being, but I was wondering if there
might be something wrong, or if it is in some embargoed space. I can't
seem to find it in CKAN proper, but it is in the lodcloud group:


Oh, and thanks for the sunburst example. I've been fishing around for
examples of how to manipulate the visualization with external


On Sat, Sep 25, 2010 at 6:47 AM, Rufus Pollock <rufus.pollock at okfn.org> wrote:
> On 23 September 2010 06:18, Ed Summers <ehs at pobox.com> wrote:
>> It was awesome to see that the new LOD Cloud leverages data in CKAN. I
>> really like the idea of driving more people to documenting Linked Data
>> packages on CKAN in order to get their content into the LOD Cloud.
>> I have been doing a bit of playing around with the Protovis JavaScript
>> library recently to visualize owl:sameAs links in the Billion Triple
>> Challenge dataset [1]. It's pretty easy to use, at least in the
> That's fantastic. I've been *really* impressed by protovis and that's
> a really nice usage of their force directed layout!
> (I've been using protovis for where does my money go sutff e.g.:
> <http://www.wheredoesmymoneygo.org/wdmmg-js/src/sunburst.html>)
>> simplistic way I have been playing around with it. I thought it would
>> be fun to use the same approach to graphing the LOD Cloud using the
>> CKAN API. So I went and did it [2]. The fact that it only took an hour
>> or so was all due to the way you have leveraged CKAN, and CKAN's
>> lovely REST API.
> Thanks :)
>> While processing the data I think I noticed 50 packages in the
>> lodcloud group which referenced other CKAN packages
>> (package['extras']['links:*'] in the json) that were not also in the
>> lodcloud group. I didn't actually dig in to see if they are definitely
>> on CKAN, but at least a few of them already were. I haven't been
>> following the earlier discussion too closely, to know if this is
>> already a known issue. I'd be willing to help add the packages to the
>> lodcloud group if you are looking for an extra set of hands.
> Richard's answered on this so I won't add anything (plus he's the expert!).
> [...]
> Regards,
> rufus

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