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Big Data

What is〝Big Data〞 ?

When you go grocery shopping.

• When did you buy ?

• How did you pay ?

• What did you buy ?

• Where did you go ?

• Who ?

collect about you

• a lot of data

• Includes useful information

• knows why did you do ?

The 〝Big Data〞is …

Surprised !!

Features of〝Big Data〞

Features

+

Volume

Variety

Velocity

• 100 TB(terabyte) ~ PB(petabyte)

– Terabyte (TB) 1TB = 1024 GB

– Petabyte (PB) 1PB = 1024 TB

Volume

X 1024

• that real times

Velocity

• many kinds of situation

• age, sex, role …

• season, vacation, memorial day …

Variety

How to collect ?

• record shopping list

• your member data

If you enter the supermarket…

• find your location by IP

• record when did you log in

• your route/clicks on the web site

If you log in the web site…

You will receive a lot of DM

For example

• Christmas

–the shopping season

–12/18 ~ 12/29

Example - marketing

• Google

– Captcha ?

Example - eBook

Q & A

THANK YOU !!

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• E-mail – x8892965@yahoo.com.tw