Data Models

Question 1

What advantages do fully structured representations offer?

Answer 1

Know exactly what you are expecting, can work with fixed lengths and divide the data easily

Question 2

When would you find a case for data to be unstructured and not semi structured?

Answer 2

Text Analytics for machine learning, need to get used to unstructured data

Question 3

Give example of data that has no natural structure

Answer 3

Twitter stream

Question 4

What are the basic data types in JSON?

Answer 4

String
Number
Object
Array
Boolean
Null

Question 5

What does JSON stand for?

Answer 5

JavaScript Object Notation

Question 6

What is the difference between streaming and obejct model APIs for processing semi structured data?

Answer 6

Streaming - getting the data as it comes in, so line by line precision
Object Model APIs - read in the data all at once