It’s almost 10 years old, but this is an excellent article from Greg Linden, Brent Smith and Jeremy York on how Amazon.com does product recommendations: Amazon.com Recommendations – Item-to-Item Collaborative Filtering
It’s almost 10 years old, but this is an excellent article from Greg Linden, Brent Smith and Jeremy York on how Amazon.com does product recommendations: Amazon.com Recommendations – Item-to-Item Collaborative Filtering