bigdata精品PPT课件

------Ma Yun
content
Cases of Big Data What’s Big Data How to Deal with Big Data More Apply on ’Big Data’ Risks of ’Big Data’
Case 1
Target(美国第二大百货商店)knows you are pregnant.
Taobao Index（淘宝指数） Function: for the seller, it’s a free market
adviser; for the customer, it helps make
decisions, grasp the current trends, the shopping tendency and characteristics of the same person.
Case 2
Beer and Diaper(尿布) Revenue had been increased by 30%through bunding sales.
What’s Big Data
Big data is a term applied to data sets whose size is beyond the ability of commonly used software tools to capture, manage, and process the data within a tolerable elapsed time.
characteristics: Volume(数据体量大)、Variety(数据类型
多)、 Velocity(价值密度低)、Variability(处理速
How to deal with Big Data
Data Collection Data Pretreatment Data Storage and
Manage Data Mining Data Application
How to deal with Big Data
Data mining has the following definition:
1. Extracting previously unknown and potentially useful information from the data 2. The science of extracting a large amounts of data or useful information from the database.
Six common classes of tasks:
1. Anomaly detection 2. Association rule
learning 3. Clustering 4. Classification 5. Regression 6. Summarization
Apply of Big Data
Q3:What’s your opinion on Big Data?
Big Data
THANK YOU FOR LISTENING
Q1: Is Big Data a pile of data collection? A. True B. False
Q2:At the following, which one is the case of Big Data? A. Student information management system B. Beer and Cigarette C. Beer and Diaper
THE AGE
OF BIG
DATABiblioteka Group OneWe haven’t found out the PC era, when mobile Internet was coming, while we didn’t find out the mobile Internet, when the era of big data is coming.
The More Apply…
On G.overnment
On Private sector
On Science
…
…
Risks of Big Data
When big data dominates everything------1. Privacy Leak（隐私隐藏） 2. Data Dictatotship（数据独裁）