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Define Collaborative filtering. Using an example of an e-commerce site like Filpkart of Amazon describe how it can be used to provide recommendations to users.
written 5.1 years ago by gravatar for swatisharma swatisharma • 1.3k modified 4.1 years ago by gravatar for prashantsaini prashantsaini • 0
big data analytics
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written 5.1 years ago by gravatar for teamques10 teamques10 ★ 65k

Collaborative Filtering

i. A significantly different approach to recommendation, using features of items to determine their similarity, focusing on the similarity of the user ratings for two items.

ii. Place of the item-profile vector for an item, we use its column in the utility matrix.

iii. Contriving a profile vector …

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