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Re: [ANN] LENA: Lens-based RDF Browser

From: Andrea Splendiani <andrea.splendiani@unimib.it>
Date: Thu, 11 Oct 2007 14:14:52 +0200
Message-Id: <7CEEF0EE-F2E4-4F72-A15E-7A9DA918837C@unimib.it>
Cc: public-semweb-lifesci hcls <public-semweb-lifesci@w3.org>
To: Chris Mungall <cjm@fruitfly.org>

I have to agree that almost all the semantic websites I've seen, with  
huge list of triples, look at best discouraging, at worst impenetrable.
But for a core set of lenses you require some standard, no ?
Do you have some specific use-cases to begin with ?

Il giorno 11/ott/07, alle ore 07:09, Chris Mungall ha scritto:

> Sorry to repost something from a list many of you are already  
> subscribed to; however, this seems like it warrants some specific  
> discussion on this list.
> I know many of you have been wrapping various biological  
> datasources as RDF - I have been doing the same, using the usual  
> suspects such as R2RQ and Sesame. The end result is usually an  
> impenetrable SPARQL endpoint or opaque HTML or Ajax based triple  
> browser. Exposing triples may be fine if you've got some simple  
> FOAF data, but it's hardly an ideal way of presenting complex  
> biological data.
> It would be nice to have an agile way to generate non-brittle  
> domain-specific views of our RDF. The Fresnel/Lens approach seems a  
> reasonable first step (in my ideal world SWRL and/or some OWL based  
> query language would be the core technology here, but it's early  
> days yet).
> Is it too soon to propose working together on a core set of HCLS  
> Lenses?
> Begin forwarded message:
>> Resent-From: semantic-web@w3.org
>> From: Thomas Franz <franz@uni-koblenz.de>
>> Date: October 10, 2007 2:43:40 AM PDT
>> To: semantic-web@w3.org, people@semanticdesktop.org
>> Cc: Jörg <jmkoch@uni-koblenz.de>
>> Subject: [ANN] LENA: Lens-based RDF Browser
>> Dear Semantic-Web and Semantic-Desktop enthusiasts,
>> I'm pleased to announce the first official release of LENA [1], a
>> Fresnel Lens based RDF Navigator with SPARQL selector support.
>> [1] http://isweb.uni-koblenz.de/Research/lena
>> A demo is available here: http://dom.uni-koblenz.de:8080/lena
>> LENA stands for LEns based NAvigator. A lens represents a particular
>> view onto RDF data and is described by the Fresnel Display Vocabulary
>> [2]. LENA enables viewing RDF data in your web browser, rendered
>> according to the lens descriptions you provide. LENA supports the  
>> use of
>> multiple lenses and indicates if they are available for a  
>> resource, so
>> that a different view onto the same data is always just one click  
>> away!
>> To write lenses for complex RDF structures, LENA supports SPARQL
>> selectors. While SPARQL [3] is a designated Fresnel selector  
>> language,
>> an implementation did not yet exist. LENA provides an extension to
>> support Fresnel SPARQL selectors that is now integrated into the  
>> Simile
>> Fresnel engine [4].
>> The data which shall be processed by LENA, can either be put into the
>> provided directory or be accessed through a Sesame [5] HTTP  
>> repository.
>> For more information about the usage of LENA see the project page  
>> [1].
>> Work on LENA was funded by the X-Media project (www.x-media- 
>> project.org)
>> sponsored by the European Commission as part of the Information  
>> Society
>> Technologies (IST) programme under EC grant number IST-FP6-026978.
>> [1] http://isweb.uni-koblenz.de/Research/lena
>> [2] http://www.w3.org/2005/04/fresnel-info/
>> [3] http://www.w3.org/TR/rdf-sparql-query/
>> [4] http://simile.mit.edu/wiki/Fresnel
>> [5] http://www.openrdf.org/
>> -- 
>> Thomas Franz
>> ISWeb, University of Koblenz
>> http://isweb.uni-koblenz.de/People/Franz
Received on Thursday, 11 October 2007 12:15:29 UTC

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