Data Mining

Data mining is used to refer ______ stage in knowledge discovery in database.

selection

retrieving

discovery

coding

Correct! Wrong!

The _________ refers to extracting knowledge from larger amount of data.

data abstraction

data warehouse

database

data mining

Correct! Wrong!

Which of the following is not a data mining functionality?

Characterization and Discrimination (classification)

Classification and regression

Selection and interpretation

Clustering and Analysis

Correct! Wrong!

Strategic value of data mining is___________.

cost-sensitive

work-sensitive

time-sensitive

technical-sensitive

Correct! Wrong!

Which of the following is the data mining tool?

Borland C

Weka

Borland C++

Visual C

Correct! Wrong!

Two fundamental goals of Data Mining are c .

Analysis and Description

Data cleaning and organizing the data

Prediction and Description

Data cleaning and organizing the data

Correct! Wrong!

Reduce amount of time and memory required by data mining algorithms-----d---

Target Data

Data sampling

Data aggregation

Data reduction

Correct! Wrong!

________analysis divides data into groups that are meaningful, useful, or both.

Cluster

Association

Classifiction

Relation

Correct! Wrong!

The full form of KDD is ..................

Knowledge Database

Knowledge Discovery Database

Knowledge Data House

Knowledge Data Definition

Correct! Wrong!

............................. is a comparison of the general features of the target class data objects against the general features of objects from one or multiple contrasting classes.

Data Characterization

Data Classification

Data discrimination

Data selection

Correct! Wrong!

__________ may be defined as the data objects that do not comply with the general behavior or model of the data available.

Outlier Analysis

Evolution Analysis

Prediction

Classification

Correct! Wrong!

"Efficiency and scalability of data mining algorithms" issues comes under?

Mining Methodology and User Interaction Issues

Performance Issues

Diverse Data Types Issues

None of the above

Correct! Wrong!

To integrate heterogeneous databases, how many approaches are there in Data Warehousing?

2

3

4

5

Correct! Wrong!

Which of the following is correct advantage of Update-Driven Approach in Data Warehousing?

This approach provides high performance.

The data can be copied, processed, integrated, annotated, summarized and restructured in the semantic data store in advance.

Both A and B

None Of the above

Correct! Wrong!

What is the use of data cleaning?

to remove the noisy data

correct the inconsistencies in data

transformations to correct the wrong data

All of the above

Correct! Wrong!

Data Mining System Classification consists of?

Database Technology

Information Science

All of the above

Correct! Wrong!

Which of the following is a good alternative to the star schema?

snow flake schema

star schema

star snow flake schema

fact constellation

Correct! Wrong!

Background knowledge is…

It is a form of automatic learning.

A neural network that makes use of a hidden layer

The additional acquaintance used by a learning algorithm to facilitate the learning process

None of these

Correct! Wrong!

Which of the following can also applied to other forms?

Data streams & Sequence data

Networked data

Text & Spatial data

All of these

Correct! Wrong!

What is noise?

component of a network

context of KDD and data mining

aspects of a data warehouse

None of these

Correct! Wrong!

Data mining is used to refer ______ stage in knowledge discovery in database.

The _________ refers to extracting knowledge from larger amount of data.

Which of the following is not a data mining functionality?

Strategic value of data mining is___________.

Which of the following is the data mining tool?

Two fundamental goals of Data Mining are ____c ____.

Reduce amount of time and memory required by data mining algorithms-----d---

________analysis divides data into groups that are meaningful, useful, or both.

The full form of KDD is ..................

............................. is a comparison of the general features of the target class data objects against the general features of objects from one or multiple contrasting classes.

__________ may be defined as the data objects that do not comply with the general behavior or model of the data available.

"Efficiency and scalability of data mining algorithms" issues comes under?

To integrate heterogeneous databases, how many approaches are there in Data Warehousing?

Which of the following is correct advantage of Update-Driven Approach in Data Warehousing?

What is the use of data cleaning?

Data Mining System Classification consists of?

Which of the following is a good alternative to the star schema?

Background knowledge is…

Which of the following can also applied to other forms?

What is noise?

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Two fundamental goals of Data Mining are c .