Re: [Linking-open-data] Linked Data available

Hugh Glaser wrote:
> On 6/11/07 16:20, "Kingsley Idehen" <kidehen@openlinksw.com> wrote:
>
>   
>> Hugh Glaser wrote:
>>     
>>> Hi,
>>>
>>> We have constructed some rdf resources and an application that uses them,
>>> that can be found at:
>>> http://www.rkbexplorer.com/
>>>
>>> Each resource has a different domain, to make it easy to use, and
>>> emphasising the fact that these are in fact completely separate knowledge
>>> bases.
>>>
>>> For each resource, you can access it in the following ways:
>>>
>>> Browse it, looking at the RDF triples;
>>> Query it, using SPARQL;
>>> Resolve each of the unique URIs for resources: depending on content
>>> negotiation, RDF or HTML will be returned;
>>> Query the associated CRS (Consistent Reference Service), to find out which
>>> other URIs are considered to be the same non-information resource.
>>>
>>> We currently have the following:
>>>
>>> budapest.rkbexplorer.com
>>>   
>>>       
>> I did a quick test against the URI above:
>> kingsleyidehen$ curl -I -H "Accept: application/rdf+xml"
>> http://budapest.rkbexplorer.com
>> HTTP/1.1 200 OK
>> Date: Tue, 06 Nov 2007 16:53:49 GMT
>> Server: Apache/2.0.52 (Red Hat)
>> X-Powered-By: PHP/4.3.9
>> Connection: close
>> Content-Type: text/html; charset=UTF-8
>>
>>
>> I was hoping to be re-directed to an RDF  information resource or
>> SPARQL  Protocol URL .
>>
>> It would be nice if one could discern the budapest URI via the mechanism
>> attempted above.
>>
>>     
> I was worried for a moment...
> http://budapest.rkbexplorer.com is the page that takes you to the RDF.
> You need to give it a document to return.
> So I think it is working OK:
>
> [rover:~] hg% curl -I -H "Accept: application/rdf+xml"
> http://nsf.rkbexplorer.com/id/award-0211606
> HTTP/1.1 303 See Other
> Date: Tue, 06 Nov 2007 19:50:25 GMT
> Server: Apache/2.0.52 (Red Hat)
> X-Powered-By: PHP/4.3.9
> Location: /data/award-0211606
> Connection: close
> Content-Type: text/html; charset=UTF-8
>   

Hugh,

I am explicitly requesting an RDF representation of the default resource 
associated with http://budapest.rkbexplorer.com when I issue:

curl -I -H "Accept: application/rdf+xml" http://budapest.rkbexplorer.com

Thus, I would like to get an RDF Information Resource URI back. If such doesn't exist then 406 will do. I want to get at the RDF data without exercising my eyeballs :-)

At a higher level (i.e. RDF aware User Agent) here are the results of your current URIs:

1. http://demo.openlinksw.com/rdfbrowser/?uri=http%3A%2F%2Fbudapest.rkbexplorer.com
2. http://demo.openlinksw.com/rdfbrowser/?uri=http%3A%2F%2Fnsf.rkbexplorer.com%2Fid%2Faward-0211606



Kingsley


> [rover:~] hg% curl http://nsf.rkbexplorer.com/data/award-0211606
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE rdf:RDF [
>     <!ENTITY rdf 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
>     <!ENTITY rdfs 'http://www.w3.org/2000/01/rdf-schema#'>
>     <!ENTITY owl 'http://www.w3.org/2002/07/owl#'>
>     <!ENTITY akt 'http://www.aktors.org/ontology/portal#'>
>     <!ENTITY akts 'http://www.aktors.org/ontology/support#'>
>     <!ENTITY extn 'http://www.aktors.org/ontology/extension#'>
>     <!ENTITY wiki 'http://resist.ecs.soton.ac.uk/wiki/'>
>     <!ENTITY resist 'http://resist.ecs.soton.ac.uk/ontologies/resist#'>
>     <!ENTITY resex 
> 'http://resist.ecs.soton.ac.uk/ontologies/resilience-mechanisms#'>
>     <!ENTITY courseware 'http://www.resist-noe.org/ontology/courseware#'>
>     <!ENTITY dc 'http://purl.org/dc/elements/1.1/'>
>     <!ENTITY dct 'http://purl.org/dc/terms/'>
> ]>
> <rdf:RDF
>     xmlns:rdf="&rdf;"
>     xmlns:rdfs="&rdfs;"
>     xmlns:owl="&owl;"
>     xmlns:akt="&akt;"
>     xmlns:akts="&akts;"
>     xmlns:extn="&extn;"
>     xmlns:wiki="&wiki;"
>     xmlns:resist="&resist;"
>     xmlns:resex="&resex;"
>     xmlns:courseware="&courseware;"
>     xmlns:dc="&dc;"
>     xmlns:dct="&dct;"
>     >
>     <owl:Ontology rdf:about="">
>         <dc:description rdf:datatype="&xsd;string"></dc:description>
>         <dc:title rdf:datatype="&xsd;string"></dc:title>
>         <dc:created>ReSIST Project</dc:created>
>         <dct:created rdf:datatype="&xsd;dateTime">2007-11-06
> 19:48</dct:created>
>         <rdfs:label rdf:datatype="&xsd;string"></rdfs:label>
>         <dc:source 
> rdf:resource="<http://nsf.rkbexplorer.com/id/award-0211606>"/>
>     </owl:Ontology>
>     <rdf:Description
> rdf:about="http://nsf.rkbexplorer.com/id/award-0211606">
>         <rdf:type rdf:resource="akts:Temporal-Thing"/>
>         <rdf:type rdf:resource="akt:Project"/>
>         
> <akt:has-web-address>"http://nsf.gov/awardsearch/showAward.do?AwardNumber=02
> 11606"</akt:has-web-address>
>         <akt:has-title>"WORKSHOP:Database and Information Systems Research
> for Semantic Web and Enterprises"</akt:has-title>
>         <akts:has-time-interval>_:b1</akts:has-time-interval>
>         <akt:has-project-leader
> rdf:resource="http://nsf.rkbexplorer.com/id/person-0782e218c1a2c8d808c2040f3
> 315e8e1"/>
>         <akt:has-leading-organization
> rdf:resource="http://nsf.rkbexplorer.com/id/organization-d9591936c073da7ee9b
> d45da9e8cec1e"/>
>         <akt:has-funding
> rdf:resource="http://nsf.rkbexplorer.com/id/grant-0211606"/>
>     </rdf:Description>
> </rdf:RDF>
>
>
>   


-- 


Regards,

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

Received on Tuesday, 6 November 2007 21:12:32 UTC