Simple Suggestion / Recommendation Algorithm

Question

I am looking for a simple suggestion algorithm to implement in to my Web App. Much like Netflix, Amazon, etc... But simpler. I don\'t need teams of Phd\'s working to get a bette

Answer 1

I created a suggested articles algorithm that used keywords (as opposed to "product purchases") to determine correlation. It takes a keyword, and runs through all other articles where that keyword occurs and produces results based on which articles have the most matching keywords.

Besides the obvious need for caching such information, is there something wrong with him using a similar method?