Lecture 10 Big Data And linked Data

Question 0

What is the difference between structured and unstructured data

Answer 0

Structured data is laid out according to some structure or pattern
Structured data is easy to find what you’re looking for
Can be processed by humans relatively quickly

Unstructured data has no pattern
It’s difficult to find anything
Computers can be used to help process the data and therefore find things

Question 1

What is big data

Answer 1

Big data is data that can’t be processed or analysed using traditional processes or tools

Question 2

What are the four V’s of big data

Answer 2

Variety
Velocity
Volume
Veracity

Question 3

What is data variety

Answer 3

The different forms that data can take

Question 4

What is data velocity

Answer 4

The speed at which data is processed or produced

Question 5

What is data volume

Answer 5

The amount of data produced or consumed

Question 6

What is data veracity

Answer 6

The truthfulness of data

Question 7

What is Moores law

Answer 7

The law that suggests there are physical limits on performance of processors

Question 8

Name 4 ethical topic about keeping data

Answer 8

Identity
Privacy
Ownership
Reputation

Question 9

What is linked data

Answer 9

Linked data which real-world things are given addresses on the web

Data is published about them in the machine-readable formats

Question 10

What is XML

Answer 10

A human readable plaintext format that is used to keep the structure of data

Designed to transport and store data

Question 11

Who invented the eighth and linked data standards

Answer 11

Prof Sir Tim Berners-Lee