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Modelli di sviluppo collaborativi:
          non solo software



                                         Carlo Daffara
                     European Working Group on Libre Software
                                                CloudWeavers



OpenSourceDay 2012
"The open source process violates every
principle of security. It welcomes everyone to
contribute to Linux. Now that foreign
intelligence agencies and terrorists know that
Linux is going to control our most advanced
defense systems, they can use fake identities to
contribute subversive software that will soon
be incorporated into our most advanced
defense systems.'" (Green Hills Software CEO,
Dan O'Dowd)



OpenSourceDay 2012
OpenSourceDay 2012
Percentuale di codice OSS nel pool complessivo
 di codice creato negli ultimi 5 anni: 35%




OpenSourceDay 2012
WikiPedia: "Using it is like asking questions of a
bloke you met in the pub. He might be a nuclear
physicist. Or he might be a fruitcake". P. Valley,
The Independent




OpenSourceDay 2012
"In the study, entries were chosen from the
websites of Wikipedia and Encyclopaedia
Britannica on a broad range of scientific
disciplines and sent to a relevant expert for
peer review. Each reviewer examined the entry
on a single subject from the two
encyclopaedias; they were not told which
article came from which encyclopaedia. A total
of 42 usable reviews were returned out of 50
sent out, and were then examined by Nature's
news team.”


OpenSourceDay 2012
"Only eight serious errors, such as
misinterpretations of important concepts, were
detected in the pairs of articles reviewed, four
from each encyclopaedia. But reviewers also
found many factual errors, omissions or
misleading statements: 162 and 123 in
Wikipedia and Britannica, respectively."
[Nature, 2005]
“the Wiki resource had similar accuracy and
depth to the professionally edited database”
[Comparison of National Cancer Institute DB
with Wikipedia, 2010]
OpenSourceDay 2012
“Open source mapping certainly has its
benefits and can be extremely useful,
particularly for pedestrians and in city or town
centres. The way that the maps incorporate
input from a wide community of contributors
can result in impressive international coverage,
whilst also driving down costs of production.
However, when it comes to automotive-grade
mapping, open source has some quite serious
limitations, falling shor t on the levels of
accuracy and reliability required for
safe navigation.” [TomTom]
OpenSourceDay 2012
“By means of a variety of studies, we show that
the difference between the OSM street network
for car navigation in Germany and a
comparable proprietary dataset was only 9%
in June 2011. The results of our analysis
regarding the entire street network showed that
OSM even exceeds the information provided by
the proprietary dataset by 27%” [Heidelberg
U. 2011]




OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
Prodotto   Strumento




OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
OpenSourceDay 2012
Thanks!

                          Carlo Daffara

                          cdaffara@conecta.it
                     http://carlodaffara.conecta.it
                           Twitter: @cdaffara




OpenSourceDay 2012

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Nonsoftwareoss

  • 1. Modelli di sviluppo collaborativi: non solo software Carlo Daffara European Working Group on Libre Software CloudWeavers OpenSourceDay 2012
  • 2. "The open source process violates every principle of security. It welcomes everyone to contribute to Linux. Now that foreign intelligence agencies and terrorists know that Linux is going to control our most advanced defense systems, they can use fake identities to contribute subversive software that will soon be incorporated into our most advanced defense systems.'" (Green Hills Software CEO, Dan O'Dowd) OpenSourceDay 2012
  • 4. Percentuale di codice OSS nel pool complessivo di codice creato negli ultimi 5 anni: 35% OpenSourceDay 2012
  • 5. WikiPedia: "Using it is like asking questions of a bloke you met in the pub. He might be a nuclear physicist. Or he might be a fruitcake". P. Valley, The Independent OpenSourceDay 2012
  • 6.
  • 7.
  • 8. "In the study, entries were chosen from the websites of Wikipedia and Encyclopaedia Britannica on a broad range of scientific disciplines and sent to a relevant expert for peer review. Each reviewer examined the entry on a single subject from the two encyclopaedias; they were not told which article came from which encyclopaedia. A total of 42 usable reviews were returned out of 50 sent out, and were then examined by Nature's news team.” OpenSourceDay 2012
  • 9. "Only eight serious errors, such as misinterpretations of important concepts, were detected in the pairs of articles reviewed, four from each encyclopaedia. But reviewers also found many factual errors, omissions or misleading statements: 162 and 123 in Wikipedia and Britannica, respectively." [Nature, 2005] “the Wiki resource had similar accuracy and depth to the professionally edited database” [Comparison of National Cancer Institute DB with Wikipedia, 2010] OpenSourceDay 2012
  • 10. “Open source mapping certainly has its benefits and can be extremely useful, particularly for pedestrians and in city or town centres. The way that the maps incorporate input from a wide community of contributors can result in impressive international coverage, whilst also driving down costs of production. However, when it comes to automotive-grade mapping, open source has some quite serious limitations, falling shor t on the levels of accuracy and reliability required for safe navigation.” [TomTom] OpenSourceDay 2012
  • 11. “By means of a variety of studies, we show that the difference between the OSM street network for car navigation in Germany and a comparable proprietary dataset was only 9% in June 2011. The results of our analysis regarding the entire street network showed that OSM even exceeds the information provided by the proprietary dataset by 27%” [Heidelberg U. 2011] OpenSourceDay 2012
  • 15. Prodotto Strumento OpenSourceDay 2012
  • 35. Thanks! Carlo Daffara cdaffara@conecta.it http://carlodaffara.conecta.it Twitter: @cdaffara OpenSourceDay 2012