Re: Quality Criteria for Linked Data sources

Dear Annika,

I am glad to see metrics being developed, and the use of indicators. The reason I mention this is because not only is it important to have this in place for the semantic web but for knowledge and information itself similar quality of information metrics should be developed. 

If we just think about the bulk of information that has yet to be digitized and tagged, the GIGO principle applies.

Is there any linkage of your current work with standards and guidelines developed by the ISO/IEC JTC1 SC32 WG2 (see metadata-stds.org)?

Milton Ponson
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--- On Wed, 12/15/10, Annika Flemming <annika.flemming@gmx.de> wrote:

From: Annika Flemming <annika.flemming@gmx.de>
Subject: Quality Criteria for Linked Data sources
To: public-lod@w3.org
Date: Wednesday, December 15, 2010, 7:49 PM

Hi,
I'm a student at the Humboldt University of Berlin and I'm currently writing my diploma thesis under the supervision of Olaf Hartig. The aim of my thesis is to draw up a set of criteria to assess the quality of Linked Data sources. My findings include eleven criteria grouped into four categories. Each criterion includes a set of so-called indicators.
 These indicators constitute a measurable aspect of a criterion and, thus, allow for the assessment of the quality of a data source w.r.t the criteria.
I've written a summary of my findings, which can be accessed here:

http://sourceforge.net/apps/mediawiki/trdf/index.php?title=Quality_Criteria_for_Linked_Data_sources

To evaluate my findings, I decided to post this summary hoping to receive some feedback about the criteria and indicators I suggested. Moreover, I'd like to initiate a discussion about my findings, and about their applicability to a quality assessment of data sources.

Your comments might be included in my thesis, but I won't add any names.

A further summary will follow shortly, describing a formalism based on these criteria and its application to several data sources.

Thanks
 to everyone participating,
Annika
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