[School-of-data] Help Defining Dataset Definition and Quality Parameters

Tom Morris tfmorris at gmail.com
Tue Apr 30 14:00:27 UTC 2013

I don't think you can measure quality in the abstract without knowing what
you want to use the data for.  "Fitness for purpose" is one of the main
ways to measure quality, so if you don't have a goal in mind any measure of
"quality" is going to be rather arbitrary.  As an example, in some use
cases misspellings might not hinder your use of the data at all as long as
all the numbers were accurate while in others accurate spellings are
critical for matching.

Have you asked the users (and potential users) of the data what quality
metrics are important to them?  They're the ones who count.


On Mon, Apr 29, 2013 at 7:49 AM, Matan Rotman <matan.rotman at gmail.com>wrote:

> Hello all,
> My name is Matan Rotman, and I'm a student at Hebrew University majoring
> Political Science. As a part of my studying, I'm writing a paper that tries
> to understand whether the Israel open data program is efficient
> (Collaberative-wise), and if not, why not (hence, why wouldn't
> administrative dept. won't cooperate with the program). The first thing I
> need to do for that, though, is to understand if the datasets that are on
> the website are of quality or not. As i'm not a technical guy, I could use
> some help understanding what would be considered as the definition of a
> dataset (hopefully, as particular as possible), and more important, I could
> really use for some help with defining quality parameters so I could
> measure the quality of the different files and sets uploaded.
> The website is at http://data.gov.il (all in Hebrew though), and I'd love
> any help on the subject possible
> P.S
> I hope this is the right place to ask, and I'm going to ask also at Open
> government mailing list, so I apologize if you get my message twice.
> Best Regards,
> Matan
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