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Re: AW: ANN: Silk - Link Discovery Framework for the Web of Data released.

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Mon, 02 Mar 2009 14:07:05 -0500
Message-ID: <49AC2E59.4050109@openlinksw.com>
CC: public-lod@w3.org, 'Semantic Web' <semantic-web@w3.org>, dbpedia-discussion@lists.sourceforge.net
Chris Bizer wrote:
>
> Hi Stephane,
>
> I would say:
>
> Silk is about discovering data links (finding out that two data 
> sources talk about the same real world entity, or that there is a 
> specific other semantic relation between entities in different data 
> sources).
>
> VoiD is about describing (providing meta-information about) the links 
> that you have discovered.
>
> So Silk and Void play nicely together and a workflow for a data 
> publisher could be:
>
> 1. Publish his dataset.
>
> 2. Use Silk to discover links between his data source to other data 
> sources on the Web.
>
> 3. Publish these data links together with a Void description on the Web.
>
> In order to support people in using Void, we are thinking about 
> extending Silk with the ability to output a basic Void description 
> about the discovered linkset.
>
Chris,

As you can see with this Meta Cartridge example [1] we do lookups and 
provide a VoiD description of the dynamically generated Linked Data Space.

+1 for extending the language to incorporate VoiD so that other can 
loosely couple their efforts with ours, or simply build their own :-)

Links:

1. 
http://linkeddata.uriburner.com/about/html/http://www.crunchbase.com/company/yahoo 
- a meshup across Crunchbase, Calais, Zemanta, and DBpedia.

Kingsley
>
> Cheers,
>
> Chris
>
> *Von:* Stephane Fellah [mailto:fellahst@gmail.com]
> *Gesendet:* Montag, 2. März 2009 18:58
> *An:* Chris Bizer
> *Cc:* public-lod@w3.org; Semantic Web; 
> dbpedia-discussion@lists.sourceforge.net
> *Betreff:* Re: ANN: Silk - Link Discovery Framework for the Web of 
> Data released.
>
> Chris,
>
> I welcome this initiative. Could you explain how your approach differs 
> from the VoiD initiative http://semanticweb.org/wiki/VoiD
>
> Best regards
>
> Stephane Fellah
>
> On Mon, Mar 2, 2009 at 10:14 AM, Chris Bizer <chris@bizer.de 
> <mailto:chris@bizer.de>> wrote:
>
> Hi all,
>
> we are happy to announce the initial public release of Silk, a link 
> discovery framework for the Web of Data.
>
> The Web of Data is built upon two simple ideas: Employ the RDF data 
> model to publish structured data on the Web and to set explicit RDF 
> links between entities within different data sources. While there are 
> more and more tools available for publishing Linked Data on the Web, 
> there is still a lack of tools that support data publishers in setting 
> RDF links to other data sources on the Web. With the Silk - Link 
> Discovery Framework, we hope to contribute to filling this gap.
>
> Using the declarative Silk – Link Specification Language (Silk-LSL), 
> data publishers can specify which types of RDF links should be 
> discovered between data sources and which conditions data items must 
> fulfill in order to be interlinked. These link conditions can apply 
> different similarity metrics to multiple properties of an entity or 
> related entities which are addressed using a path-based selector 
> language. The resulting similarity scores can be weighted and combined 
> using various similarity aggregation functions. Silk accesses data 
> sources via the SPARQL protocol and can thus be used to discover links 
> between local and remote data sources.
>
> The main features of the Silk framework are:
>
> - it supports the generation of owl:sameAs links as well as other 
> types of RDF links.
>
> - it provides a flexible, declarative language for specifying link 
> conditions.
>
> - it can be employed in distributed environments without having to 
> replicate datasets locally.
>
> - it can be used in situations where terms from different vocabularies 
> are mixed and where no consistent RDFS or OWL schemata exist.
>
> - it implements various caching, indexing and entity pre-selection 
> methods to increase performance and reduce network load.
>
> More information about Silk, the Silk-LSL language specification, as 
> well as several examples that demonstrate how Silk is used to set 
> links between different data sources in the LOD cloud is found at:
>
> http://www4.wiwiss.fu-berlin.de/bizer/silk/
>
> The Silk framework is provided under the terms of the BSD license and 
> can be downloaded from
>
> http://code.google.com/p/silk/
>
> Happy linking,
>
> Julius Volz, Christian Bizer
>


-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com
Received on Monday, 2 March 2009 19:08:07 GMT

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