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Re: "humane" query editors for the data web?

From: David Huynh <dfhuynh@alum.mit.edu>
Date: Wed, 22 Apr 2009 18:59:24 -0700
Message-ID: <49EFCB7C.7090804@alum.mit.edu>
To: Kingsley Idehen <kidehen@openlinksw.com>
CC: public-lod@w3.org
Kingsley,

Thanks for the resources and the detailed explanation! Looks like all 
the pieces are there!

David

Kingsley Idehen wrote:
> David Huynh wrote:
>> Thanks for the link, Juan.
>>
>> Just curious, even if I know SPARQL, how do I (as a new user) know 
>> which properties and types there are in the data? And what URIs to 
>> use for what?
> David,
>
> Not speaking for Jaun, but seeking to answer the question you posed.
>
> Our iSPARQL interface takes the view that:
>
> 1. You lookup vocabularies and ontologies of interest before 
> constructing triple patterns since the terms need to come from somewhere
> 2. You then you use the ontology/vocabulary tree to drag and drop 
> classes over Subject  and Object nodes
> 3. Do the same thing re. properties by selecting them and dropping 
> them over the connectors (predicates)
> 4. Repeat the above until you've completely painted an SPO graph of 
> what you seek.
>
> BTW - the pattern in steps 2-4 above originated from RDF Author, and 
> we simply adopted it for SPARQL (following a skype session I had with 
> Danbri years ago re. the need for SPARQL QBE). Note: RDF Author 
> allowed you to write Triples directly into RDF information resources 
> via their URLs. Which means the same UI works fine for SPARUL (writing 
> to Quad Store via its internal Graph IRI or Web Information Resource 
> URL).
>
> Links:
>
> 1.  http://rdfweb.org/people/damian/RDFAuthor/Tutorial/ -- RDF Author
>
> Kingsley
>>
>> David
>>
>> Juan Sequeda wrote:
>>> You may want to check out a tool that we are working on: SQUIN
>>>
>>> http://squin.informatik.hu-berlin.de/SQUIN/
>>>
>>> Juan Sequeda, Ph.D Student
>>> Dept. of Computer Sciences
>>> The University of Texas at Austin
>>> www.juansequeda.com <http://www.juansequeda.com>
>>> www.semanticwebaustin.org <http://www.semanticwebaustin.org>
>>>
>>>
>>> On Wed, Apr 22, 2009 at 9:18 PM, David Huynh <dfhuynh@alum.mit.edu 
>>> <mailto:dfhuynh@alum.mit.edu>> wrote:
>>>
>>>     Hi all,
>>>
>>>     Admittedly this is somewhat of a tease and shameless
>>>     self-promotion :-) but I think there are a few interesting
>>>     concepts in the query editor for Freebase that I've been working
>>>     on that can be very useful for querying and consuming LOD data 
>>> sets:
>>>
>>>       http://www.freebase.com/app/queryeditor/about
>>>
>>>     Or maybe I missed it totally--is there anything similar for
>>>     writing SPARQL queries over LOD?
>>>
>>>     Cheers,
>>>
>>>     David
>>>
>>>
>>>
>>
>>
>>
>
>
Received on Thursday, 23 April 2009 02:00:02 UTC

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