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Failing Fast
with Explore&Query
© 2013 Vinge Free AB, Sweden
Failing fast is a good thing
If you are going to fail because your assumptions were wrong, do it
before you waste your time and resources.
This applies also to promise of Linked Open Data as a data source for
analytics. Just that certain data is published does not mean it is
useful for certain type of tasks.
This case study here shows how do you quickly validate a semantic
data source from quantitative and completeness perspective.
The tool used is Free Edition of Explore&Query from Vinge Free.
© 2013 Vinge Free AB, Sweden
Film industry analysis
The case study goes as following: DBpedia contains information
about films, their directors, their producers, their release dates,
starring actors, composers, budget etc. - seemingly everything
needed to produce a comprehensive statistical analysis about film
industry.
Let’s get started by taking a look in the data and try to do a simple
initial quantification how much facts do we actually have in our
disposal and do we believe it provides sufficiently accurate statistical
base for not getting a skewed results.
© 2013 Vinge Free AB, Sweden
The main concept in film industry is film. Lets find out how many
films there is in DBpedia: there are 78,000 films
Films
© 2013 Vinge Free AB, Sweden
But over 13,000 films are creations of no one?
Every films should have a director?
© 2013 Vinge Free AB, Sweden
But even though films usually have several stars we seem to keep
seeing our list shrinking
Every film have starring actors
© 2013 Vinge Free AB, Sweden
reveals that cost of the film and its turnover is only sparsely available
Budget of films v. sales
© 2013 Vinge Free AB, Sweden
Is the money spent on quality or quantity? Leaking here as well
Length of the films v. cost
© 2013 Vinge Free AB, Sweden
Adding release date, studio, distributor, composer
Only 400 films left from 77,000
More fields of interest
© 2013 Vinge Free AB, Sweden
There 1769 films without “length” property but with all other
We can find exactly how much we lack
© 2013 Vinge Free AB, Sweden
If we make everything optional - are we back in business?
Not all fields are equally important
© 2013 Vinge Free AB, Sweden
The answer is left to the viewer.
But it went fast to find out
Have we failed or not?
© 2013 Vinge Free AB, Sweden
© 2013 Vinge Free
AB, Sweden
download from
http://www.vingefree.com/querybyexplore

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Failing fast with Explore&Query

  • 1. Failing Fast with Explore&Query © 2013 Vinge Free AB, Sweden
  • 2. Failing fast is a good thing If you are going to fail because your assumptions were wrong, do it before you waste your time and resources. This applies also to promise of Linked Open Data as a data source for analytics. Just that certain data is published does not mean it is useful for certain type of tasks. This case study here shows how do you quickly validate a semantic data source from quantitative and completeness perspective. The tool used is Free Edition of Explore&Query from Vinge Free. © 2013 Vinge Free AB, Sweden
  • 3. Film industry analysis The case study goes as following: DBpedia contains information about films, their directors, their producers, their release dates, starring actors, composers, budget etc. - seemingly everything needed to produce a comprehensive statistical analysis about film industry. Let’s get started by taking a look in the data and try to do a simple initial quantification how much facts do we actually have in our disposal and do we believe it provides sufficiently accurate statistical base for not getting a skewed results. © 2013 Vinge Free AB, Sweden
  • 4. The main concept in film industry is film. Lets find out how many films there is in DBpedia: there are 78,000 films Films © 2013 Vinge Free AB, Sweden
  • 5. But over 13,000 films are creations of no one? Every films should have a director? © 2013 Vinge Free AB, Sweden
  • 6. But even though films usually have several stars we seem to keep seeing our list shrinking Every film have starring actors © 2013 Vinge Free AB, Sweden
  • 7. reveals that cost of the film and its turnover is only sparsely available Budget of films v. sales © 2013 Vinge Free AB, Sweden
  • 8. Is the money spent on quality or quantity? Leaking here as well Length of the films v. cost © 2013 Vinge Free AB, Sweden
  • 9. Adding release date, studio, distributor, composer Only 400 films left from 77,000 More fields of interest © 2013 Vinge Free AB, Sweden
  • 10. There 1769 films without “length” property but with all other We can find exactly how much we lack © 2013 Vinge Free AB, Sweden
  • 11. If we make everything optional - are we back in business? Not all fields are equally important © 2013 Vinge Free AB, Sweden
  • 12. The answer is left to the viewer. But it went fast to find out Have we failed or not? © 2013 Vinge Free AB, Sweden
  • 13. © 2013 Vinge Free AB, Sweden download from http://www.vingefree.com/querybyexplore