Lesson 63 - Recommendation System

Front

Which process/system is used behind the spotify new song suggestion?

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Recommendation System

Front

Which filtering uses knowledge of each product to recommend a similar product?

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Content Based Recommender

Front

Which filtering uses knowledge of user’s past purchase/selection?

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Collaborate Filtering

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Recommender systems can be defined as

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Systems that evaluate quality based on the preferences of others with a similar point of view

Front

Identify the correct recommendation system's algorithm(s) from the given options: Collaborative page ranking, Item based recommendation system, Collaborative filtering, Object based recommendation system.

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Collaborative filtering

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Identify the correct statements related to Collaborative Filtering: The problem of collaborative filtering is to predict how well a user will like an item that he has not rated given a set of historical preference judgments for a community of users. Predict the opinion the user will have on the different items. Recommend the ‘best’ items based on the user’s previous likings and the opinions of like-minded users whose ratings are similar.

Back

All the listed options

Front

User-Based Collaborative Filtering methods -

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In such methods complexity grows linearly with the number of customers and items