T8. Data Mining

Question 1

What is Data Mining

Answer 1

Data mining involves analysing large data sets or big data to identify patterns and relationships to
predict future trends.

Question 2

What is Big Data

Answer 2

Data sets that are so complex that traditional database and other applications are unable to capture,
manage and process them within an acceptable time frame.

Question 3

What is the 3 V’s

Answer 3

Big data challenges can be defined as the 3V’s:
* Volume – the amount of data to be processed
* Variety – the number of types of data to be analysed
* Velocity – the speed of data processing

Question 4

How can Big Data be used?

Answer 4

To predict health trends and forecast demand for services/resources
To optimise efficiency/effectiveness of treatments by analysing demographic
data/social indicators/lifestyle habits
To identify people suitable for screening by analysing medical records

Question 5

Describe the threats to privacy of using Data Mining

Answer 5

Data mining analyses large data sets to discover patterns. The shopping habits and
preferences which is stored about a customer could be used for unauthorised purposes or
purposes for which the customer has not given permission or for purposes unknown to the
customer.