Top 350+ Solved Data Mining and Data Warehouse MCQ Questions Answer

From 136 to 150 of 399

Q. Knowledge engineering 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

  • 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

Q. Kohonen self-organizing map referred to

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

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

Q. 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

  • 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.

Q. 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

  • a. An algorithm that can learn

Q. Meta-learning is

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

  • 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.

Q. Machine learning is

a. An algorithm that can learn

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

c. An 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

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

Q. Inductive logic programming 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

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

Q. Multi-dimensional knowledge 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

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

Q. 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

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

Q. Knowledge is referred to

a. Non-trivial extraction of implicit previously unknown and potentially useful information from dat(A)

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

  • c. collection of interesting and useful patterns in a database

Q. Node is

a. A component of a network

b. In the context of KDD and data mining, this refers to random errors in a database table.

c. One of the defining aspects of a data warehouse

d. None of these

  • a. A component of a network

Q. Projection pursuit is

a. The result of the application of a theory or a rule in a specific case

b. One of several possible enters within a database table that is chosen by the designer as the primary means of accessing the data in the table.

c. Discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces

d. None of these

  • c. Discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces

Q. Statistical significance is

a. The science of collecting, organizing, and applying numerical facts

b. Measure of the probability that a certain hypothesis is incorrect given certain observations.

c. One of the defining aspects of a data warehouse, which is specially built around all the existing applications of the operational dat(A)

d. None of these

  • b. Measure of the probability that a certain hypothesis is incorrect given certain observations.

Q. Prediction is

a. The result of the application of a theory or a rule in a specific case

b. One of several possible enters within a database table that is chosen by the designer as the primary means of accessing the data in the table.

c. Discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces.

d. None of these

  • a. The result of the application of a theory or a rule in a specific case

Q. Primary key is

a. The result of the application of a theory or a rule in a specific case

b. One of several possible enters within a database table that is chosen by the designer as the primary means of accessing the data in the table

c. Discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces.

d. None of these

  • b. One of several possible enters within a database table that is chosen by the designer as the primary means of accessing the data in the table
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