Classical

Data Mining - Data Mining MCQ

31:  

KDD (Knowledge Discovery in Databases) is referred to

A.

Non-trivial extraction of implicit previously unknown and potentially useful information from data

B.

Set of columns in a database table that can be used to identify each record within this table uniquely.

C.

collection of interesting and useful patterns in a database

D.

none of these

 
 

Option: A

Explanation :

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32:  

Learning is

A.

The process of finding the right formal representation of a certain body of knowledge in order to represent it in a knowledge-based system

B.

It automatically maps an external signal space into a system's internal representational space. They are useful in the performance of classification tasks.

C.

A process where an individual learns how to carry out a certain task when making a transition from a situation in which the task cannot be carried out to a situation in which the same task under the same circumstances can be carried out.

D.

None of these

 
 

Option: C

Explanation :

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33:  

Naive prediction is

A.

A class of learning algorithms that try to derive a Prolog program from examples

B.

A table with n independent attributes can be seen as an n- dimensional space.

C.

A prediction made using an extremely simple method, such as always predicting the same output.

D.

None of these

 
 

Option: C

Explanation :

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34:  

Learning algorithm referrers to

A.

An algorithm that can learn

B.

A sub-discipline of computer science that deals with the design and implementation of learning algorithms

C.

A machine-learning approach that abstracts from the actual strategy of an individual algorithm and can therefore be applied to any other form of machine learning.

D.

None of these

 
 

Option: A

Explanation :

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35:  

Knowledge is referred to

A.

Non-trivial extraction of implicit previously unknown and potentially useful information from data

B.

Set of columns in a database table that can be used to identify each record within this table uniquely

C.

collection of interesting and useful patterns in a database

D.

none of these

 
 

Option: C

Explanation :

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