Data Warehousing and Data Mining Quiz

What is another name for data mining?

• Information Retrieval Method

• Big Data Analysis

• Knowledge Discovery in Data

• Data Extraction Technique

Answer explanation

Another name for data mining is Knowledge Discovery in Data.

Which decade saw the introduction of data mining and data warehousing?

• 1960s

• 1980s

• 1970s

• 1990s

Answer explanation

The correct decade that saw the introduction of data mining and data warehousing was the 1990s.

What is the process of finding potentially useful patterns from huge data sets called?

• Data Extraction

• Data Interpretation

• Data Analysis

• Data Mining

Answer explanation

The process of finding potentially useful patterns from huge data sets is called Data Mining.

Which technique is used to remove noise and inconsistent data in the data cleaning process?

• Clustering

• Regression

• Outlier Detection

• Binning

Answer explanation

Outlier Detection is used to remove noise and inconsistent data in the data cleaning process.

What is the goal of data selection in data mining?

• To introduce noise into the dataset

• To remove all irrelevant data

• To increase the dataset size

• To ensure the dataset is representative and manageable

Answer explanation

The goal of data selection in data mining is to ensure the dataset is representative and manageable by removing irrelevant data and introducing noise.

Which data transformation technique involves converting continuous attributes into discrete categories or intervals?

• Aggregation

• Generalization

• Normalization

• Discretization

Answer explanation

Discretization involves converting continuous attributes into discrete categories or intervals.

What is the main responsibility of the Pattern Evaluation Modules in data mining architecture?

• Pattern Evaluation

• Data Integration

• Knowledge Presentation

• Data Cleaning

Answer explanation

Pattern Evaluation Modules in data mining architecture are primarily responsible for Pattern Evaluation.

Which view in data mining focuses on the technical parts and methodologies used?

• Data View

• Application View

• Knowledge View

• Method View

Answer explanation

The Method View in data mining focuses on the technical parts and methodologies used, making it the correct choice in this context.

What is the main challenge related to handling and processing large volumes of data in data mining?

• Data Scalability

• Data Uncertainty

• Data Noise

• Data Diversity

Answer explanation

The main challenge related to handling and processing large volumes of data in data mining is Data Scalability.

What is the social impact of data mining known as when users are unaware of data collection?

• Privacy-Preserving Data Mining

• Invisible Data Mining

• Ethical Data Mining

• User Interaction Data Mining

Answer explanation

The social impact of data mining when users are unaware of data collection is known as Invisible Data Mining.