15 min Score: 0 Attempted: 0/15 Subscribe 1. What is sentiment analysis? (A) Extracting subjective information to determine opinions or emotions (B) Identifying named entities in a text (C) Converting text to numerical data (D) Classifying text into categories 2. Which of the following is the main goal of sentiment analysis? (A) Categorize text into … Read more
15 min Score: 0 Attempted: 0/15 Subscribe 1. What is Text Mining? (A) Extracting patterns from numerical data (B) Analyzing multimedia content (C) Extracting meaningful information and patterns from textual data (D) Optimizing database structures 2. Which of the following is an application of Natural Language Processing (NLP)? (A) Image recognition (B) Data normalization (C) … Read more
1 min Score: 0 Attempted: 0/1 Subscribe 1. 1. What is Web Usage Mining?2. What type of data is primarily analyzed in Web Usage Mining?3. What is the main goal of Web Usage Mining?4. Which of the following tools is commonly used in Web Usage Mining?5. What is a “clickstream” in Web Usage Mining?6. Which … Read more
10 min Score: 0 Attempted: 0/10 Subscribe 1. What is web mining? (A) Storing data in a web server (B) Designing websites (C) Extracting knowledge from web data (D) Mining cryptocurrency using web applications 2. Which of the following is NOT a category of web mining? (A) Web Content Mining (B) Web Interaction Mining (C) … Read more
10 min Score: 0 Attempted: 0/10 Subscribe 1. What is web mining? (A) Designing websites (B) Extracting knowledge from web data (C) Storing data in a web server (D) Mining cryptocurrency using web applications 2. Which of the following is NOT a category of web mining? (A) Web Content Mining (B) Web Structure Mining (C) … Read more
10 min Score: 0 Attempted: 0/10 Subscribe 1. What is a multidimensional data model primarily used for? (A) Transactional data processing (B) Analytical and decision support applications (C) Operational data storage (D) Data normalization 2. In a multidimensional data model, which of the following is an example of a dimension? (A) Sales amount (B) Time … Read more
10 min Score: 0 Attempted: 0/10 Subscribe 1. What does the “slice” operation in OLAP do? (A) Selects a single dimension from a multidimensional cube (B) Rotates data to view from different angles (C) Aggregates data along a hierarchy (D) Divides the data cube into smaller cubes 2. Which of the following is an example … Read more
10 min Score: 0 Attempted: 0/10 Subscribe 1. What is the main goal of a data warehouse? (A) To optimize data entry processes (B) To store operational data (C) To support decision-making and business intelligence (D) To manage unstructured data 2. Which of the following is NOT a characteristic of a data warehouse? (A) Time-variant … Read more
10 min Score: 0 Attempted: 0/10 Subscribe 1. What is a data warehouse? (A) A collection of operational databases (B) A database optimized for transactional processes (C) A subject-oriented, integrated, time-variant, and non-volatile collection of data (D) A system designed for real-time data analytics 2. Which of the following is NOT a characteristic of a … Read more
10 min Score: 0 Attempted: 0/10 Subscribe 1. What does the support metric represent in association rule mining? (A) The proportion of transactions containing only the consequent (B) The proportion of transactions containing the antecedent and consequent (C) The strength of an association rule compared to random chance (D) The likelihood of the antecedent leading … Read more