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Re: Silk - Link Discovery Framework Version 2.4 release

From: Axel Ngonga <ngonga@informatik.uni-leipzig.de>
Date: Wed, 01 Jun 2011 18:23:11 +0200
Message-ID: <4DE6676F.6070203@informatik.uni-leipzig.de>
To: semantic-web@w3.org
Well the screenshot clearly shows that it is a typo. How can the release 
of 2.3 come about 11 months BEFORE the beta?

> +1
> Paola it was harsh. People get offended good will is lost. I refer to 
> my more general points in previous email.
> Sent using BlackBerry® from Orange
> ------------------------------------------------------------------------
> *From: * Mischa Tuffield <mmt04r@ecs.soton.ac.uk>
> *Sender: * semantic-web-request@w3.org
> *Date: *Wed, 1 Jun 2011 16:35:59 +0100
> *To: *<paoladimaio10@googlemail.com>
> *Cc: *Robert Isele<robertisele@googlemail.com>; <public-lod@w3.org>; 
> SW-forum<semantic-web@w3.org>; <marta.nagy-rothengass@ec.europa.int>; 
> VAN ORANJE-NASSAU Constantijn 
> (CAB-KROES)<Constantijn.Van-Oranje-Nassau@ec.europa.eu>
> *Subject: *Re: Silk - Link Discovery Framework Version 2.4 release
> Hi,
> I don't usually write to this list, and have no idea what SILK is 
> about (Sorry SILK people!), but I found the below email to be 
> incredibly harsh.
> Look at the git history of the project (which was 1 click way from the 
> email I am referring to below!), it does seem to be in active 
> development, with a number of committers:
> http://www.assembla.com/code/silk/git/node/logs?page=1  (apache 
> license 2.0)
> And the page DOES seem to reflect this:
> http://www4.wiwiss.fu-berlin.de/bizer/silk/
> Perhaps there was a bug in the HTML(?), I don't know - but I would 
> give people the benefit of the doubt before pointing fingers in 
> public. I do think a personal email to Robert would probably have 
> sufficed, but perhaps I am just that way inclined.
> I have recently unsubscribed from a few of the SW based mailing lists 
> because of trolling and people being incredibly rude - and I hope I 
> don't have to remove myself from any others. The Semantic Web 
> community is full of a great number of nice, helpful, intelligent 
> people, and I find it a pleasure and an honour to be involved with 
> this international community of awesome....  Lots of people put lots 
> of time and effort into writing open specs and open-source code - and 
> i don't see how finger pointing helps anyone!
> Mischa
> http://mmt.me.uk/
> On 1 Jun 2011, at 16:16, Paola Di Maio wrote:
>> Robert
>> thanks  lot for the update, I look forward to be trying it out
>> I see from this page
>> http://www4.wiwiss.fu-berlin.de/bizer/silk/
>> that SILK V 2.4, announced on this list today was actually released
>> last year: See the snippet below
>> 2010-06-01: Version 2.4 released including the new Silk Workbench, a
>> web application which guides the user through the process of
>> interlinking different data sources.
>> I also seem to understand from the project page that much of LOD2
>> software are tools developed in previous years (ie, nothing new!)
>> Am I reading something wrong?
>> In the past decade or so, millions of euros of tax payers money have
>> been paid for projects for which the codebase had already been
>> developed, either by funded projects from prior calls( ie, for which
>> the tax payer had already paid ) or by other companies.
>> In essence, as it has been already pointed out, the public has been
>> paying for the same semantic web tools to be rebranded over and over,
>> and each time it has costed lots of public money, and each time it has
>> not delivered the semantic web functionality the public is waiting for
>> (ie, a useable web based application layer)
>> Since LOD2 has become a funded EU project in September 2010, I would
>> be grateful if you could explain what part of the tool/functionality
>> has been developed after September 2010, and for what part of this
>> development is the public funding being used for
>> Thanks a lot in advance
>> PDM
>> On Wed, Jun 1, 2011 at 3:35 PM, Robert Isele 
>> <robertisele@googlemail.com> wrote:
>>> Hi all,
>>> we are happy to announce version 2.4 of the Silk - Link Discovery
>>> Framework for the Web of Data.
>>> The central idea of the Web of Data is to interlink data items using
>>> RDF links. However, in practice most data sources are not sufficiently
>>> interlinked with related data sources. The Silk Link Discovery
>>> Framework addresses this problem by providing tools to generate links
>>> between data items based on user-provided link specifications. It can
>>> be used by data publishers to generate links between datasets as well
>>> as by Linked Data consumers to augment Web data with additional RDF
>>> links.
>>> Link specifications can either be written manually or developed using
>>> the new Silk Workbench. The Silk Workbench, is a web application which
>>> guides the user through the process of interlinking different data
>>> sources. It’s being shipped with the 2.4 version of Silk.
>>> The Silk Workbench offers the following features:
>>> - It enables the user to manage different sets of data sources and
>>> linking tasks.
>>> - It offers a graphical editor which enables the user to easily create
>>> and edit link specifications.
>>> - As finding a good linking heuristics is usually an iterative
>>> process, the Silk Workbench makes it possible for the user to quickly
>>> evaluate the links which are generated by the current link
>>> specification.
>>> - It allows the user to create and edit a set of reference links used
>>> to evaluate the current link specification.
>>> The Silk Link Discovery Framework includes three applications to
>>> execute the link specifications which address different use cases:
>>> 1. Silk Single Machine is used to generate RDF links on a single
>>> machine. The datasets that should be interlinked can either reside on
>>> the same machine or on remote machines which are accessed via the
>>> SPARQL protocol. Silk Single Machine provides multithreading and
>>> caching. In addition, the performance can be further enhanced using an
>>> optional blocking feature.
>>> 2. Silk Server can be used as an identity resolution component within
>>> applications that consume Linked Data from the Web. Silk Server
>>> provides an HTTP API for matching instances from an incoming stream of
>>> RDF data while keeping track of known entities. It can be used for
>>> instance together with a Linked Data crawler to populate a local
>>> duplicate-free cache with data from the Web.
>>> 3. Silk MapReduce is used to generate RDF links between datasets using
>>> a cluster of multiple machines. Silk MapReduce is based on Hadoop and
>>> can for instance be run on Amazon Elastic MapReduce. Silk MapReduce
>>> enables Silk to scale out to very big datasets by distributing the
>>> link generation to multiple machines.
>>> More information about the Silk framework, the Silk Link Specification
>>> Language, 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 Apache License,
>>> Version 2.0 and can be downloaded from
>>> http://www4.wiwiss.fu-berlin.de/bizer/silk/releases/
>>> The development of Silk was supported by Vulcan Inc. as part of its
>>> Project Halo (www.projecthalo.com) and by the EU FP7 project LOD2 -
>>> Creating Knowledge out of Interlinked Data (http://lod2.eu/, Ref. No.
>>> 257943).
>>> Thanks to  Christian Becker, Michal Murawicki and Andrea Matteini for
>>> contributing to the Silk Workbench.
>>> Happy linking,
>>> Robert Isele, Anja Jentzsch and Chris Bizer
Received on Wednesday, 1 June 2011 16:23:44 UTC

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