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Re: URI in a URI

From: Andrea Splendiani <andrea.splendiani@bbsrc.ac.uk>
Date: Fri, 04 Feb 2011 14:41:08 +0000
Message-ID: <339406207926954@jngomktg.net>
To: Hugh Glaser <hg@ecs.soton.ac.uk>
Cc: "<nathan@webr3.org>" <nathan@webr3.org>, Vincent Huang A <vincent.a.huang@ericsson.com>, "semantic-web@w3.org" <semantic-web@w3.org>
HI,

why not: 
http://example.com/sensors/sensor1/lookup?property=http://sweet.jpl.nasa.gov/2.1/propTemperature

A minor thing, but may help making things clearer (one could use this
approach as standard representation for properties values via URL, where
needed).

ciao,
Andrea


Il giorno 04/feb/2011, alle ore 14.08, Hugh Glaser ha scritto:

> A very useful question.
> It is an important issue for the emerging services accessing the semantic
web.
> 
> Yes in general using a # is a bad thing.
> It is likely the server will never see the fragment after the #.
> 
> I don't know if it is written anywhere, but there seems to me a bit of a
consensus around this.
> And it is folded into the RESTful stuff.
> So for example
> http://kmi-web05.open.ac.uk/REST_API.html
> describes a typical service invocation with a URI as argument as:
> http://watson.kmi.open.ac.uk/API/semanticcontent/metadata/?uri=[docURI]
> 
> We do something similar in http://sameas.org/
> http://sameas.org/about.php describes in detail, with things like:
> http://sameas.org/?uri=http://dbpedia.org/resource/London (the NIR)
> and
> http://sameas.org/rdf?uri=http://dbpedia.org/resource/London (an IR)
> etc.
> and also in the rkbexplorer services things like
>
http://www.rkbexplorer.com/network/?uri=http://southampton.rkbexplorer.com/id/person-00021&type=person-person&format=tsv
> as well as with two URIs
>
http://www.rkbexplorer.com/connections/?source=http://southampton.rkbexplorer.com/id/person-da9c463f8b783083d7d7e9003db8224f-57e2ec2d7aee429c73fef344805033e2&target=http://southampton.rkbexplorer.com/id/person-17e6d4cf4846bd195454a7c1143a20fb-32a6807d38b58d6d56e31d88f5e48de2&type=person-person
> 
> So you could use
>
http://example.com/sensors/sensor1/lookup?uri=http://sweet.jpl.nasa.gov/2.1/propTemperature
> 
> Unless someone wants to tell us that is crazy?
> This is the sort of thing it is useful to have some best practice emerge
on.
> Or can anyone point us at where it is written?
> 
> Best
> Hugh
> 
> On 4 Feb 2011, at 12:41, Nathan wrote:
> 
>> Vincent Huang A wrote:
>>> Can I have a URI in another URI definition?
>>> For example, if I want to give a name to a temperature service coming
from a sensor, can I say:
>>>
http://example.com/sensors/sensor1/services#http://sweet.jpl.nasa.gov/2.1/propTemperature
>> 
>> well now, that's just one, valid, URI :) so long as it conforms to the
syntax restrictions then you're fine.
>> 
>> note: be clear on the fact that it's only one URI though, not two URIs,
or a "URI in a URI", and that #fragments have certain restrictions (see
[1]), as in you can't have a '#' in a fragment.
>> 
>> [1] http://tools.ietf.org/html/rfc3986#section-3.5
>> 
>> Best,
>> 
>> Nathan
>> 
> 
> -- 
> Hugh Glaser,  
>              Intelligence, Agents, Multimedia
>              School of Electronics and Computer Science,
>              University of Southampton,
>              Southampton SO17 1BJ
> Work: +44 23 8059 3670, Fax: +44 23 8059 3045
> Mobile: +44 78 9422 3822, Home: +44 23 8061 5652
> http://www.ecs.soton.ac.uk/~hg/
> 
> 
> 

Andrea Splendiani
Senior Bioinformatics Scientist
Centre for Mathematical and Computational Biology
+44(0)1582 763133 ext 2004
andrea.splendiani@bbsrc.ac.uk
Received on Friday, 4 February 2011 14:42:25 GMT

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