Types of Data

Question 1

What are the 4+1 classifications of big data

Answer 1

Velocity
Veracity
Value
Volume
Variety

Question 2

Volume

Answer 2

Amount of data generated and stored;gigabytes, zettabytes

Question 3

Velocity

Answer 3

Speed at which data is made and moves

Question 4

Variety

Answer 4

Ability to use different types of unstructured data with structured data

Question 5

Veracity

Answer 5

Accuracy, ability to take in large bouts of data and keep it good quality and trustworthy

Question 6

Value

Answer 6

The data must mean something to an organisation

Question 7

Structured data

Answer 7

Data can be organized in a standardized way format e.g. …

Question 8

Unstructured data

Answer 8

Data that doesn’t fit into a structured formatting e.g. media post, photos, phone calls

Question 9

What are the types of data?

Answer 9

Big
Structured
Unstructured
Semi-structured
Internal
External

Question 10

Can you name two pros and cons of structured data?

Answer 10

Not as insightful, can’t find out the why
Easy to store and analyse

Question 11

What is internal data?

Answer 11

All data within an organisation e.g. stock, CCTV data

Question 12

External data

Answer 12

Info outside an organisation may be public or sold by a third party (like flight search websites selling info to hotels or police reports)

Question 13

Name the 4 types of newer data

Answer 13

Activity
Conversation
Sensor
Photo and video

Question 14

How can organizations use activity data?

Answer 14

Provide personalized promotions based on activity on e.g. shopping sites activity and social media

Question 15

Name the types of sensor data

Answer 15

GPS-location
Accelerometer-how fast the phone moves so steps
Near field communication-contactless payment