Recommender Systems Explained

How do we know the profile of each of our products? A product's profile should represent the key underlying characteristics of the product, especially the ones that users care about. A very simple product profile would just be the category. For example for books, the profiles would be history, fantasy, science fiction, nonfiction, biography, romance, humor, etc. Quantitatively, books would just be represented something like this: And we would try to find out what categories (genres) our customers liked to read. Let's say we go with approach 2 -- Jeremy gives us a list of 7 fantasy books and 3 romance books.