Hi Luca
We certainly find a need for that kind of feature (as do many other linked data
publishers) and our choice in our PublishMyData platform has been the URL
pattern {domain}/resource?uri={url-encoded external URI} to expose info in our
databases about URIs in other domains.
If there was
Hi Michael
We've tended to use slash URIs where possible, because have found it more
convenient when doing URI dereferencing from a triple-store backed site - in
which case we essentially do a DESCRIBE on the relevant URI.
(So we do 303ing for non-information resources, though in practice in a
Unfortunately I don't think it's possible to come up with a meaningful single
figure on the number of available LOD datasets. It depends on how you define a
dataset and it depends on your approach to collecting information on what is
available.
Best regards
Bill Roberts
On 9 Oct 2013
The ideal thing would be if ISO, Eurostat produced concise resolvable URIs of
course. But while we wait for them to do that, why doesn't W3C mint and support
URIs for the most commonly used code lists, that resolve to relevant
documentation and/or links to the definitive documents from ISO etc.
/Linked_Data_Cookbook#Ingredients_for_High_Quality_Linked_Data
Regards
Bill Roberts
On 14 Feb 2012, at 09:16, Mika Singh wrote:
I want to convert persons data to RDF/Linked Data.
I have data like this:
Person_ID
has_name N
has_surname S
, but also pulls in stuff from all kinds of other APIs
too.
Blog post here:
http://openviz.wordpress.com/2011/09/08/indices-of-deprivation-linked-data-prototype/
App itself here: http://dclgexamples.mywebcommunity.org/imd_demo_v7.htm
Bill Roberts
Looking for some advice from the community. If we time out a slow-running
SPARQL query, what is the most appropriate HTTP status code to return to the
client? We had been trying 408, but the problem with that is that some clients
(notably Firefox) take it on themselves to keep retrying the
that it is temporary and after what time the client
MAY try again.
500 Internal Server Error was also my first guess, but this may not stop
clients from trying again.
Martin
On Jun 28, 2011, at 8:21 AM, Bill Roberts wrote:
Looking for some advice from the community. If we time out a slow
Just a quick reminder that there is still time to register for the Scottish
Linked Data Hackday in Edinburgh next week - Tuesday 5 July.
Details and sign-up here: http://scottishlinkeddatahackday2.eventbrite.com/
Best regards
Bill
Although this has led to a discussion, no-one as far as I can tell has actually
tried to answer Wenlei Zhou's question.
Hope this helps:
I can create a link from my dataset to yours just by including a triple in my
dataset with one of 'your' URIs as object.
http://mysite.com/id/1
I like the new(ish) addition to http://www.w3.org/DesignIssues/LinkedData.html
on 5-star data. Unfortunately it looks like TimBL typed it with his eyes shut
:-)
Since it's a much read and much referenced document, I'd like to offer the
following version with typos corrected. Perhaps someone
state that a manufacturer or shop site that obeys all linked
data rules and puts out a lot of valuable data in RDF does not even deserve
a single star.
Best
Martin Hepp
On Mar 9, 2011, at 9:46 PM, Bill Roberts wrote:
I like the new(ish) addition to
http://www.w3.org
Thanks Hugh - as someone running a couple of SPARQL endpoints, I'd certainly
prefer if people don't run a global count too often (or at all). It is indeed
something that makes typical SPARQL implementations work very hard.
But it's a good reminder we should provide an alternative and i'll look
Hi John
Your points are good ones and some care should certainly be taken in how a
possible 200-with-content-location option should be presented to the 'outside
world'.
1) the public-lod forum is mostly aimed at practitioners, so hopefully not too
many new LODers will have been alarmed by the
Hi Aldo - I'd like to help, but I see you posted your mail a few hours ago. Do
you have updated information on what still needs done? Do you have a wiki or
similar to coordinate volunteer programming efforts?
Regards
Bill
On 4 Mar 2010, at 14:06, Aldo Bucchi wrote:
Hi,
As most of you
I definitely reckon first approach would be better - then the data can be
easily downloaded if required and you can add some RDF metadata about that file
if you want to. Having base64 data in the RDF is going to be messy, especially
if there is a lot of data, and less flexible for user
Hi Michael - maybe also include the RDFa approach, using
about=http://example.org/people/jane#me; ?
And a trivial point, but having introduced the Jane example, maybe better to
change the Mogwai examples to use Jane instead?
Thanks for doing this - v useful.
Bill
On 18 Feb 2010, at 14:08,
Hi Nathan
I think you have to try harder than that to cause offence!
I think an attempt at standardisation on the one 'true' set of
ontologies is futile, not scalable and ultimately a dead end.
However, using suitable existing ontologies in a sensible way leads to
a kind of lingua franca
Finally, regarding dc:subject, a tag can be used not as a subject
(think of a webpage tagged cool or todo, they are probably not
used as subject) so the semantics of dc:subject is probably not what
you want here.
I think this comment from Alexandre gets to the core of the matter.
on the web
which happens to hold a bunch of RDF. I don't think sameAs is really
relevant for the mirror example you presented.
I'll have to stop there for now - hopefully you'll get further
responses to address your other questions.
Hope that helps
Bill Roberts
On 28 Oct 2009, at 19:04, Nathan
Thanks everyone for comments on this. I'll do some work on RDFizing a
real data set or two and feed back experience/examples of that to the
list to see what people think
Cheers
Bill
Suppose I want to say something like:
The total rainfall in Edinburgh in 2006 was 600mm.
There are various ways to do it, but I'd probably go for something
like this in pseudo-RDF
Edinburgh hasMeasuredProperty _b
_b measureOf Annual Rainfall
_b period 2006
_b rdf:value 600
_b unit
Eric
Simply use owl:sameAs like you would any other property. The object
of the triple is the URI you want to say refers to the same thing. So
rdf:Description rdf:about=http://infomotions.com/etexts/id/more-utopia-221
owl:sameAs resource=http://dbpedia.org/resource/Utopia_(book)
sorry forgot the rdf: in front of resource:
rdf:Description rdf:about=http://infomotions.com/etexts/id/more-utopia-221
owl:sameAs rdf:resource=http://dbpedia.org/resource/Utopia_(book)
/rdf:Description
On 25 Jul 2009, at 11:09, Bill Roberts wrote:
Eric
Simply use owl:sameAs like
I thought I'd give the .htaccess approach a try, to see what's
involved in actually setting it up. I'm no expert on Apache, but I
know the basics of how it works, I've got full access to a web server
and I can read the online Apache documentation as well as the next
person.
So... after
I agree, with Bernard (and also with an earlier comment of Mark's): if
we are talking about widespread adoption of RDF, we need to think of
who is currently creating HTML, and how they are doing it. I think we
all know this, but it's easy to forget when we spend all our time on
the web or
Thanks everyone who replied.
It seems that there's a lot of support for the RDFa route in that
(perhaps not statistically significant) sample of opinion. But to
summarise my understanding of your various bits of advice: since
there aren't currently so many applications out there
Yeah, I too think this is a big deal. Semantic web in the commercial
world obviously suffers the same chicken and egg problem as elsewhere,
but if a big company like BestBuy just does it anyway, then services
that consume and aggregate this kind of data are likely to spring
up. Semantic
, Kingsley Idehenkide...@openlinksw.com
wrote:
Bill Roberts wrote:
Yeah, I too think this is a big deal. Semantic web in the
commercial
world obviously suffers the same chicken and egg problem as
elsewhere, but
if a big company like BestBuy just does it anyway, then services
that
consume
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