A gentle introduction to the concept of big data.

1. Understanding big data
By: Claire Sherrington
Quoted statistics in this presented are from IBM Business Analytics Summit 2013

3. Big data is a collection of data
sets so large and complex that it
becomes difficult to process
using on-hand database
management tools or traditional
data processing applications.
Wikipedia.

4. OR .......the new term among
information technology circles
for the vast quantities of
information now stored online,
possibly forever...

5. So what is it ?
Web pages
browsing habits
sensor signals
Smartphone location trails
bioinformatics
social networks
cameras
 microphones
software logs
..................

6. How big is BIG ?
6
204 million
61,000+
100
6 million
2 million
30 hours

7. Batch
Near time
Real time
Streams
Terabytes
Records
Transactions
Tables, files
Structured
Unstructured
Semistructured
All the above...
3 sides
Big Data
Size
VarietySpeed

8. So why should I care?
“Big Data is really about new
uses and new sights, not much
about the data itself” says Rod A
Smith (IBM)

14. Big data: the greater good or invasion
of privacy?
“There’s no bad data, only bad
uses of data,” says Craig
Mundie, a senior adviser at
Microsoft,

15. What can do I ?
Remember that YOU decide what information
about yourself to reveal, when, why, and to
whom.
Be conscious of Web security.
Keep a "clean" e-mail address.
Realize you may be monitored at work, avoid
sending highly personal e-mail to mailing lists,
and keep sensitive files on your home computer.