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Five minutes. 15 seconds per slide. Trying to explain, simply, big data and open data, the differences, and why we should try to embrace them.
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Data.!The new
oil/gold/sliced bread?
The structuring of information has always been around us.
Data isn’t just stored in databases and spreadsheets.
Moore’s Law, illustrated by evolving data storage formats.
Now: We have “the cloud”.
How would you rate Frozen?!
!
Reviews: Data you choose to create.
Mobile phones are data enablers, even passively.
Big data.
18 May 2012. Facebook’s IPO.!
In the listing they stated they stored an average of 111 megabytes of photos and videos per user.!
They had 845 million users.
93,795,000,000,000 megabytes
! ! equals!
87,353.4 petabytes
! ! equals!
0.083 zettabytes
2012 2.8 zettabytes of data was generated.
Prediction for 2015 At least double that:5.6 zettabytes.!Source: IDC/MIT
Open data.
A piece of data is open if anyone is free to!
! ! use,!
! ! reuse, and!
! ! redistribute it.
The concept of open data goes back as far as 1957 with the establishment of the World Data Center system.!
!
(This predates the existence of the internet, but not machines that can record.)
Open data and
openness.
Privacy.
Do we need all this data?
Data is the past.!Data is the future.
Open data
! ! plus!
Big data
! ! plus!
A need to solve and understand
Large hadron collider.