Recommendation Systems for Beginners

Explicit Data:

Implicit Data:

Implicit signals are obtained by capturing a user’s interaction with the item. This can be a continuous value, like the number of times a user has clicked on an item or the number of times a user has watched an Action movie or Binary, similar to just clicked or not clicked. For example, while scrolling through amazon.com the amount of time spent viewing an item or the number of times you have clicked the item can act as implicit feedback.

Types of Recommendation Systems

Let us name this table as Hotel_Type for further use

Model Algorithms:

Cosine Similarity: It is a measure of similarity

Rating Matrix

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