Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does collaborative filtering mean?
💡 Hint: Think of how friends influence each other's choices.
Question 2
Easy
What is a user-item interaction matrix?
💡 Hint: It’s like a scorecard for user preferences.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary assumption of collaborative filtering?
- It relies solely on item attributes.
- It assumes similarity in user preferences leads to similar choices.
- It disregards past user experiences.
💡 Hint: Think about why friends recommend movies to each other.
Question 2
Is the cold start problem a challenge for collaborative filtering?
- True
- False
💡 Hint: Consider what happens when someone is new to a system.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a simple collaborative filtering model for an online bookstore. Define how the user-item interaction matrix would be structured and suggest potential methods to tackle the cold start problem.
💡 Hint: Think about how you would suggest a book to a new user who hasn't rated anything yet.
Question 2
Critically analyze the scalability issues of user-based collaborative filtering with a large dataset. Suggest ways to improve the performance.
💡 Hint: Consider what happens to calculations as the dataset increases in size.
Challenge and get performance evaluation