
Chapter 7 Part 1
Authored by Aiman Dolah
Computers
University
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal of a recommendation system?
Classify emails
Find missing values
Suggest relevant items to users
Remove outliers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common use of recommendation systems?
Predicting weather
Detecting anomalies
Product recommendations in e-commerce
Clustering genes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of data is used by recommendation systems to make suggestions?
Only explicit data
Only implicit data
Both explicit and implicit data
Only labeled data
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is “explicit data” in recommendation systems?
User’s age
Purchase history
User ratings and reviews
Search queries
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is “implicit data” in recommendation systems?
Ratings given by users
Browsing history and clicks
User feedback surveys
Movie genres
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is NOT an example of a recommendation system?
Netflix movie suggestions
Google search autocomplete
Amazon product recommendations
Spotify playlist suggestions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is content-based filtering?
Recommendations based on friends' choices
Suggestions based on user’s past preferences and item features
Grouping users by region
Sorting products by price
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